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Unit1ArtUsefulwordsandExpressions2课件高中英语人教版选择性

Unit1ArtUsefulwordsandExpressions2课件高中英语人教版选择性
His designs have a strong visual appeal.
2.如果你能很容易地记住图片、图表和视频中的信息, 你可能是一个视觉学习者。 If you easily remember information from pictures, charts and videos, you are likely a visual learner.
18.guarantee : vt. 保证; 确保; 肯定…必然发 生 n. 保证; 保修 单; 担保物
guarantee sb sth = guarantee sth to sb 向某人保证某事 guarantee to do sth 保证做某事 guarantee sb/sth against/from.. 保证...不受/免遭... give sb a guarantee that... 向某人保证... under guarantee 在保修期内 翻译:1.他们保证在一周内完成这项工作。 They guarantee to finish the work within a week. 2.我们不能保证我们的航班永远不会延误。 We cannot guarantee (that) our flights will never be delayed. 3.努力工作是成功的保证。 Hard work is the guarantee of success. 4.我的表还在保修期内,所以他们会免费修理。
humbly adv. 谦逊地;恭顺地 humbleness n. 谦逊;卑贱 critical adj.批评的;关键的;爱挑刺的 critically adv.批判地;严重地 critic n.批评家;评论家 criticise sb. for (doing) sth. 因(做)某事批评某人 receive/take (accept) criticism: 受到/接受批评 翻译:1.她喜欢在背后批评别人。 She likes to criticise other people behind their backs. 2.日本的决定招致了很多批评。

视觉识别系统英文作文模板

视觉识别系统英文作文模板

视觉识别系统英文作文模板英文回答:Visual recognition systems (VRS) enable machines to interpret and understand the visual environment, allowing them to identify objects, scenes, and their relationships with a high degree of accuracy. These systems play a crucial role in various applications, such as image and video analysis, object recognition, surveillance, and autonomous driving.VRS typically involve the following components:Image acquisition: Capturing the visual scene using cameras or other sensors.Preprocessing: Enhancing the image quality, removing noise, and extracting relevant features.Feature detection: Identifying distinct featureswithin the image, such as shapes, textures, and edges.Object classification: Classifying the objects present in the image based on their features.Scene understanding: Analyzing the relationships between objects and their context to understand the scene.中文回答:视觉识别系统(VRS)使机器能够解读和理解视觉环境,从而能够以高精度识别物体、场景及其之间的关系。

《眼科学词汇翻译》word版

《眼科学词汇翻译》word版

眼科学词汇翻译ophthalmology, OPH, Ophth 眼科学visionics 视觉学visual optics 视觉光学visual physiology 视觉生理学physiology of eye 眼生理学visual electro physiology 视觉电生理学pathology of eye 眼病理学dioptrics of eye 眼屈光学neuro ophthalmology 神经眼科学ophthalmiatrics 眼科治疗学ophthalmic surgery 眼科手术学cryo ophthalmology 冷冻眼科学right eye, RE, oculus dexter, OD 右眼left eye, LE, oculus sinister, OS 左眼oculus uterque, OU 双眼eyeball phantom 眼球模型eye bank 眼库prevention of blindness, PB 防盲primary eye care 初级眼保健low vision 低视力blindness 盲totol blindness 全盲imcomplete blindness 不全盲congenital blindness 先天性盲acquired blindness 后天性盲曾用名“获得性盲”。

functional blindness 功能性盲organic blindness 器质性盲occupational blindness 职业性盲legal blindness 法定盲visual aura 视觉先兆visual disorder 视觉障碍visual deterioration 视力减退transitional blindness 一过性盲amaurosis 黑●amaurosis fugax 一过性黑●toxic amaurosis 中毒性黑●central amaurosis 中枢性黑●uremic amaurosis 尿毒性黑●cortical blindness 皮质盲macropsia 视物显大症曾用名“大视”。

Face Recognition(人脸识别)

Face Recognition(人脸识别)

Face RecognitionToday ,I will talk about the study about face recognition.(第二页)As for the face recognition, we main talk about Two-Dimensional Techniques. The study is from The University of York ,Department of Computer Science , as for the date, it is September 2005.(第三页)We say the background.The current identification technology mainly include: fingerprint identification指纹识别, retina recognition视网膜识别, iris recognition虹膜识别, gait recognition步态识别, vein recognition静脉识别, face recognition人脸识别, etc.advantages优点:Compared with other identification methods, face recognition because of its direct, friendly and convenient features, users do not have any psychological barriers, is easy to be accepted by users.(第四页)Two-Dimensional Face Recognition is main about Face Localization.This consists of two stages: face detection(人脸检测)and eye localization(眼睛定位). (第五页)Today we main study the research of eye localization.Eye localization is performed on the set of training images, which is then separated into two groups. By it, we can compute the average distance from the eye template. one is eye detection was successful (like the picture on), the dark picture means the detected eyes is closed to the eye template; and the other is failed(like the picture down), the bright points down means doesn’t close.(第六页)We do the research using the way: The Direct Correlation Approach(直接相关方法).This is the way we make the study, you can have a little know about it. So I will not talk much about it.(第七页)This is the study’s main Experimental Process.It is divided into some groups, calculate the distance d, between two facial image vectors, we can get an indication of similarity. Then a threshold is used to make the final verification decision.(第八页)The result wo get the picture. By the picture, we gets an EER (能效比)of 25.1%, this means that one quarter of all verification operations carried out resulted in an incorrect classification. That also means Tiny changes cause the change of the location in image.(第九页)Conclusion: Two-Dimensional Techniques (we say 2D) is an important part in face recognition. It make a large use in face recognition. All in all, Face recognition is the easiest way to be accepted in the identification field.Thank you!。

人脸识别英文专业词汇教学内容

人脸识别英文专业词汇教学内容

gallery set参考图像集Probe set=test set测试图像集face renderingFacial Landmark Detection人脸特征点检测3D Morphable Model 3D形变模型AAM (Active Appearance Model)主动外观模型Aging modeling老化建模Aging simulation老化模拟Analysis by synthesis 综合分析Aperture stop孔径光标栏Appearance Feature表观特征Baseline基准系统Benchmarking 确定基准Bidirectional relighting 双向重光照Camera calibration摄像机标定(校正)Cascade of classifiers 级联分类器face detection 人脸检测Facial expression面部表情Depth of field 景深Edgelet 小边特征Eigen light-fields本征光场Eigenface特征脸Exposure time曝光时间Expression editing表情编辑Expression mapping表情映射Partial Expression Ratio Image局部表情比率图(,PERI) extrapersonal variations类间变化Eye localization,眼睛定位face image acquisition 人脸图像获取Face aging人脸老化Face alignment人脸对齐Face categorization人脸分类Frontal faces 正面人脸Face Identification人脸识别Face recognition vendor test人脸识别供应商测试Face tracking人脸跟踪Facial action coding system面部动作编码系统Facial aging面部老化Facial animation parameters脸部动画参数Facial expression analysis人脸表情分析Facial landmark面部特征点Facial Definition Parameters人脸定义参数Field of view视场Focal length焦距Geometric warping几何扭曲Street view街景Head pose estimation头部姿态估计Harmonic reflectances谐波反射Horizontal scaling水平伸缩Identification rate识别率Illumination cone光照锥Inverse rendering逆向绘制技术Iterative closest point迭代最近点Lambertian model朗伯模型Light-field光场Local binary patterns局部二值模式Mechanical vibration机械振动Multi-view videos多视点视频Band selection波段选择Capture systems获取系统Frontal lighting正面光照Open-set identification开集识别Operating point操作点Person detection行人检测Person tracking行人跟踪Photometric stereo光度立体技术Pixellation像素化Pose correction姿态校正Privacy concern隐私关注Privacy policies隐私策略Profile extraction轮廓提取Rigid transformation刚体变换Sequential importance sampling序贯重要性抽样Skin reflectance model,皮肤反射模型Specular reflectance镜面反射Stereo baseline 立体基线Super-resolution超分辨率Facial side-view面部侧视图Texture mapping纹理映射Texture pattern纹理模式Rama Chellappa读博计划:1.完成先前关于指纹细节点统计建模的相关工作。

英语口语练习短文:视觉

英语口语练习短文:视觉

英语口语练习短文:视觉Vision视觉Human vision like that of other primates has evolved inan arboreal environment. In the dense complex world of a tropical forest, it is more important to see well than to develop an acute sense of smell. In the course of evolution members of the primate line have acquired large eyes whilethe snout has shrunk to give the eye an unimpeded view.人类的视觉,和其它灵长目动物的一样,是在丛林环境中进化出来的。

在稠密、复杂的热带丛林里,好的视觉比灵敏的嗅觉更加重要。

在进化过程中,灵长目动物的眼睛变大,同时鼻子变小以使视野不受防碍。

Of mammals only humans and some primates enjoy color vision. The red flag is black to the bull. Horses live in a monochrome world.Light visible to human eyes however occupies only a very narrow band in the whole electromagnetic spectrum. Ultraviolet rays are invisible to humans though ants and honeybees are sensitive to them. Humans have no direct perception of infrared rays unlike the rattlesnake which has receptors tuned into wavelengths longer than 0.7 micron. The world would look eerily different if human eyes weresensitive to infrared radiation. Then instead of the darkness of night, we would be able to move easily in a strange shadowless world where objects glowed with varying degrees of intensity.在哺乳类动物中,只有人和一些灵长目动物能够分辨颜色。

介绍眼睛英文作文

介绍眼睛英文作文

介绍眼睛英文作文Title: The Window to the Soul: An Exploration of the Human Eye。

The eye, often referred to as the window to the soul,is a marvel of nature's design. Its intricate structure and remarkable function not only enable us to perceive the world around us but also convey a depth of emotion and insight that transcends words. In this essay, we will delve into the fascinating realm of the human eye, exploring its anatomy, physiology, and the profound significance it holds in human experience.At its most basic level, the human eye is a sensory organ responsible for detecting light and converting itinto electrochemical signals that the brain interprets as visual images. Its complex structure consists of several key components, each playing a crucial role in the process of vision. The outermost layer of the eye is the sclera, a tough, protective layer often referred to as the "white" ofthe eye. Within the sclera lies the cornea, a transparent dome-shaped structure that helps to focus light onto the retina.Moving inward, we encounter the iris, the colorful part of the eye that regulates the amount of light entering the eye by adjusting the size of the pupil. Behind the irislies the crystalline lens, which further refracts light to focus it precisely onto the retina. The retina, located at the back of the eye, contains millions of specialized cells called photoreceptors, which convert light into electrical signals that are transmitted to the brain via the optic nerve.But the eye is not merely a sophisticated optical instrument; it is also a potent symbol of human emotion and perception. Shakespeare famously wrote, "The eyes are the windows to the soul," recognizing the profound depth and complexity conveyed through a simple gaze. Indeed, the eyes have the power to express a myriad of emotions – from joy and love to sadness and despair – without uttering a single word. It is through the eyes that we connect withothers on a deeply personal level, conveying empathy, understanding, and compassion.Moreover, the eyes play a central role in nonverbal communication, providing subtle cues that can reveal a person's thoughts, intentions, and feelings. From the fleeting glance of a stranger to the intimate gaze between lovers, our eyes serve as silent messengers, conveying messages that transcend language and cultural barriers.In addition to their role in communication, the eyes also serve as a gateway to our inner world, offering insights into our physical and emotional well-being. Ophthalmologists and optometrists can glean valuable information about a person's health by examining the eyes, detecting signs of diseases such as diabetes, hypertension, and even neurological disorders. Furthermore, changes in eye appearance, such as dilation or discoloration, can be indicative of underlying medical conditions or emotional states.In conclusion, the human eye is a marvel of biologicalengineering, combining exquisite form with unparalleled function. From its intricate anatomy to its profound role in human communication and perception, the eye continues to captivate and inspire us. As we gaze into the eyes of another, we are reminded of the boundless depth and complexity of the human experience, encapsulated within the delicate sphere of vision. Truly, the eye remains a timeless symbol of both our shared humanity and our individual uniqueness.。

visual field名词解释

visual field名词解释

visual field名词解释Visual field(视野)是指人眼在注视一个固定点时所能观察到的范围。

它是通过眼睛所能接收到的光线来感知周围环境的重要因素之一。

下面是28个双语例句:1. My visual field expanded as I climbed to the top of the mountain.当我爬上山顶时,我的视野扩大了。

2. The doctor tested my visual field to check for any blind spots.医生对我的视野进行了检查,以排除视野中的盲点。

3. The butterfly fluttered into my visual field and caught my attention.蝴蝶飘进了我的视野,引起了我的注意。

4. His peripheral visual field was impaired due to the eye injury.由于眼部受伤,他的周围视野受损。

5. The artist used bold colors to create a sense of depth in his visual field.艺术家运用鲜艳的色彩在他的视野中营造出一种深度感。

6. She noticed a subtle movement in her visual field, but couldn't identify what it was.她注意到视野中有微妙的运动,但无法确定是什么。

7. The driver's impaired visual field contributed to the accident.驾驶员受损的视野导致了这次事故。

8. The athlete's intense focus narrowed his visual field to the finish line.运动员高度集中注意力,将视野缩小到了终点线。

带眼识人翻译英文

带眼识人翻译英文

带眼识人翻译英文Title: Judging People by Their Eyes。

Eyes are often referred to as the windows to the soul. They can reveal a person's emotions, intentions, and even their personality. As such, it is important to learn how to read and interpret eye movements and expressions in order to better understand the people around us.One of the most important things to look for in someone's eyes is their level of engagement. When someone is interested in what you are saying or doing, their eyes will be focused on you and their pupils will dilate. On the other hand, if someone is disinterested or bored, their eyes may wander or appear glazed over.Eye contact is also a key indicator of someone's level of confidence and trustworthiness. People who maintain eye contact during conversations are often seen as more confident and trustworthy, while those who avoid eyecontact may be perceived as shifty or untrustworthy.Another important aspect of eye movements to pay attention to is the direction in which someone looks. When someone looks up and to the left, it typically indicates that they are accessing their imagination or memory. Conversely, looking up and to the right suggests that they are engaging in creative or abstract thinking. Looking straight ahead usually indicates that they are focused on the present moment.The size and shape of someone's eyes can also reveal certain personality traits. People with larger eyes are often seen as more open and expressive, while those with smaller eyes may be perceived as more reserved or introverted. Additionally, the shape of someone's eyes can suggest certain ethnic or cultural backgrounds.Of course, it is important to remember that eye movements and expressions are not always reliable indicators of a person's thoughts or feelings. Cultural differences, personal biases, and even physical conditionscan all affect how someone uses their eyes to communicate. As such, it is important to use other cues such as body language and tone of voice to gain a more complete understanding of the people around us.In conclusion, learning how to read and interpret eye movements and expressions can be a valuable tool for understanding the people around us. By paying attention to someone's level of engagement, eye contact, direction of gaze, and eye shape, we can gain insights into their personality, emotions, and intentions. However, it is important to remember that these cues should be used in conjunction with other forms of communication to avoid misunderstandings and misinterpretations.。

虹膜识别外文翻译文献

虹膜识别外文翻译文献

虹膜识别外文翻译文献虹膜识别外文翻译文献(文档含中英文对照即英文原文和中文翻译)外文:The first chapter1.1 The research background of iris recognitionBiometrics is a technology for personal identification using physiological characteristics and behavior characteristics inherent in the human body. Can be used for the biological characteristics of biological recognition, fingerprint, hand type face, iris, retina, pulse, ear etc.. Behavior has the following characteristics: signature, voice, gait, etc.. Based on these characteristics, it has been the development of hand shape recognition, fingerprint recognition, facial recognition, iris recognition, signature recognition and other biometric technology, many techniques have been formed and mature to application of.Biological recognition technology in a , has a long history, the ancient Egyptians through identification of each part of the body size measure to carry out identity may be the earliest human based on the earliest history of biometrics. But the modern biological recognition technology began in twentieth Century 70 time metaphase, as biometric devices early is relatively expensive, so only a higher security level atomic test, production base.due to declining cost of microprocessor and various electronic components, precision gradually improve, control device of a biological recognition technology has been gradually applied to commerce authorized, such as access control, attendance management, management system, safety certification field etc..All biometric technology, iris recognition is currently used as a convenient and accurate.Making twenty-first Century is information technology, network technology of the century, is also the human get rid of traditional technology, more and more freedom of the century. In the information, free for the characteristics of the century, biometric authentication technology, high-tech as the end of the twentieth Century began to flourish, will play a more and more important role in social life, fundamentally change the human way of life . Characteristics of the iris, fingerprint, DNA the body itself, will gradually existing password, key, become people lifestyle, instead of at the same time, personal data to ensure maximum safety, maximize the prevention of various types of crime, economic crime.Iris recognition technology, because of its unique in terms of acquisition, accuracy and other advantages, will become the mainstream of biometric authentication technology in the future society. Application of safety control, the customs import and export inspection, e-commerce and other fields in the future, is also inevitable in iris recognition technology as the focus. This trend, now in various applications around the world began to appear in the.1.2 Objective and significance of iris recognitionIris recognition technology rising in recent years, because of its strong advantages and potential commercial value, driven by some international companies and institutions have invested a lot of manpower, financial resources and energy research. The concept of automatic iris identification is first proposed by Frown, then Daugman for the first time in the algorithm becomes feasible.The iris is a colored ring in the pupil in the eye of fabric shape, each iris contains a structure like the one and only based on the crown, crystalline, filaments, spots, structure, concave point, ray, wrinkles and fringe characteristic. The iris is different from the retina, retinal is located in the fundus, difficult to image, iris can be seen directly, biometric identification technology can obtain the image of iris fine with camera equipment based on the following basis: Iris fibrous tissue details is rich and complicated, and the formation and embryonic tissue of iris details the occurrence stage of the environment, have great random the. The inherent characteristics of iris tissue is differ from man to man, even identical twins, there is no real possibility of characteristics of the same.When the iris are fully developed, he changes in people's life and tiny. In the iris outer, with a layer of transparent corneal it is separated from the outside world. So mature iris less susceptible to external damage and change.These characteristics of the iris has the advantages, the iris image acquisition, the human eye is not in direct contact with CCD, CMOS and other light sensor, uses a non technology acquisition invasion. So, as an important biometric identity verification system, iris recognition by virtue of the iris texture information, stability, uniqueness and non aggressive, more and more attention from both academic and industrial circles.1.3 Status and application of domestic and foreign research on iris recognitionIDC (International Data Group) statistics show that: by the end of 2003, the global iris recognition technology and related products market capacity will reach the level of $2000000000. Predicted conserved survey China biometric authentication center: in the next 5 years, only in the Chinese, iris recognition in the market amounted to 4000000000 rmb. With the expansion of application of the iris recognition technology, and the application in the electronic commerce domain, this number will expand to hundreds of billions.The development of iris recognition can be traced back to nineteenth Century 80's.. In 1885, ALPHONSE BERTILLON will use the criminal prison thoughts of the application of biometrics individual in Paris, including biological characteristics for use at the time: the size of the ears, feet in length, iris.In 1987, ARAN SAFIR and LEONARD FLOM Department of Ophthalmology experts first proposed the concept, the use of automatic iris recognition iris image in 1991, USA Los ala Moss National Laboratory JOHNSON realized an automatic iris recognition system.In 1993, JOHN DAUGMAN to achieve a high performance automatic iris recognition system.In 1997, the first patent Chinese iris recognition is approved, the applicant, Wang Jiesheng.In 2005, the Chinese Academy of Sciences Institute of automation, National Laboratory of pattern recognition, because of outstanding achievement "in recognition of" iris image acquisition and aspects, won the two "National Technology Invention Prize", the highest level represents the development of iris recognition technology in china.In 2007 November, "requirements for information security technology in iris recognition system" (GB/T20979-2007) national standards promulgated and implemented, the drafting unit: Beijing arithen Information Technology Co., ltd..Application of safety control, the customs import and export inspection, e-commerce and other fields in the future, is also inevitable in iris recognition technology as the focus. This trend, now in various applications around the world began to appear in the. In foreign countries, iris recognition products have been applied in a wide range.In February 8, 2002, the British Heathrow Airport began to test an advanced security system, the new system can scan the passenger's eyes, instead of to check passports. It is reported, the pilot scheme for a period of five months, a British Airways and virgin Airlines passengers can participate in this test. The International Air Transport Association interested in the results of this study are, they encourage the Heathrow Airport to test, through the iris boarding passengers to determine its identity as a boarding pass.Iris recognition system America "Iriscan" developed has been applied in the three business department of Union Bank of American Texas within. Depositors to be left with nothing whatsoever to banking, no bank card password, no more memories trouble. They get money from the A TM, a camera first eye of the user to scan, and then scan the image into digital information and data check, check the user's identity.America Plumsted school in New Jersey has been in the campus installed device of iris recognition for security control of any school, students and staff are no longer use cards and certificates of any kind, as long as they passed in the iris camera before, their location, identity is system identification, all foreign workers must be iris data logging to enter the campus. At thesame time, through the central login and access control system to carry on the control to enter the scope of activities. After the installation of the system, various campus in violation of rules and infringement, criminal activity is greatly reduced, greatly reducing the campus management difficulty.In Afghanistan, the United Nations (UN) and the United Nations USA federal agency refugee agency (UNHCR) using iris recognition system identification of refugees, to prevent the same refugee multiple receive relief goods. Use the same system in refugee camps in Pakistan and Afghanistan. A total of more than 2000000 refugees use iris recognition system, this system to a key role for the United Nations for distribution of humanitarian aid from.In March 18, 2003, Abu Zabi (one of the Arabia and the United Arab Emirates) announced the iris recognition technology for expelled foreigners iris tracking and control system based on the borders opened the world's first set of national level, this system began construction from 2001, its purpose is to prevent all expelled by Abu Zabi tourists and other personnel to enter the Abu Zabi. Without this system in the past, due to the unique characteristics of the surface of the Arabs (Hu Xuduo), and the number of the expulsion of the numerous, customs inspection staff is very difficult to distinguish between what is a deported person. By using this system, illegal immigration, all be avoided, the maximum guarantee of national security.Kennedy International Airport in New Jersey state (John F. Kennedy International Airport) of the iris recognition system installed on its international flights fourth boarding port, 300 of all 1300 employees have already started to use the system login control. By using this system, all can enter to the apron personnel must be after the system safety certification of personnel. Unauthorized want to break through, the system will automatically take emergency measures to try to force through personnel closed in the guard space. Using this system, the safety grade Kennedy International Airport rose from B+ to A+ grade. The Kennedy International Airport to travel to other parts of the passengers has increased by 18.7%.Generally speaking, the iris recognition technology has already begun in all walks of life in various forms of application in the world. At the same time, to the application of their units of all had seen and what sorts of social benefits and economic benefits are not see. This trend is to enhance the high speed, the next 10 years will be gradually achieve the comprehensive application of iris recognition in each industry.In China, due to the Chinese embargo and iris technology itself and the difficulty in domestic cannot develop products. So far, there has not been a real application of iris recognition system. However, many domestic units are expressed using strong intention, especially the "9 · 11" later, security anti terrorism consciousness has become the most concerned problems in the field of aviation, finance. Iris recognition system is a major airline companies, major financial institutions and other security mechanisms (such as aerospace bureau) become the focus of attention of object and other key national security agency. As with the trend of development in the world, iris recognition technology will in the near future in application China set off climax.The second chapter of introduction of iris recognition technology2.1 Technology of biological feature recognition based on2.1.1 Present status and development of biological feature recognition“9.11" event is an important turning point in the development of biometric identif ication technology in the world, the importance of it makes governments more clearly aware of the biological recognition technology. Traditional identity recognition technologies in the face ofdefect anti terrorism has shown, the government began a large-scale investment in the research and application of biometric technology. At the same time, the public understanding of biological recognition technology with "9.11" exposure rate and greatly improve the.The traditional method of individual identification is the identity of the people with knowledge, identity objects recognition. The so-called identity: knowledge refers to the knowledge and memory system of personal identification, cannot be stolen, and the system is easy to install, but once the identification knowledge stolen or forgotten, the identity of easily being fake or replaced, this method at present in a wide range of applications. For example: the user name and password. The so-called identity items: refers to the person, master items. Although it is stable and reliable, but mainly depend on the outer body, lost or stolen identification items once proof of identity, the identity of easily being fake or replaced, for example: keys, certificates, magnetic card, IC card etc..Biometric identification technology is related to physical characteristics, someone using prior record of behavior, to confirm whether the facts. Biometric identification technology can be widely used in all fields of society. For example: a customer came into the bank, he did not take bank card, also did not remember the password directly drawing, when he was drawing in the drawing machine, a camera to scan on his eyes, and then quickly and accurately complete the user identification and deal with business. This is the application of the iris recognition system of modern biological identification technology. "".America "9.11" after the incident, the anti terrorist activity has become the consensus of governments, it is very important to strengthen the security and defense security at the airport, some airports USA can in the crowd out a face, whether he Is it right? Wanted. This is the application of modern technology in biological feature recognition "facial recognition technology".Compared with the traditional means of identity recognition, biometric identity recognition technology in general has the following advantages:(1) the security performance is good, not easy to counterfeit or stolen.(2) carry, whenever and wherever possible, therefore more safety and security and other identification method.For the biological information of biometric recognition, its basic nature must meet the following three conditions: universality, uniqueness and permanency.The so-called universality, refers to any individual has the. Uniqueness, is in addition to other than himself, other people did not have any, namely different. The so-called permanent, refers to the character does not change over time, namely, life-long.Feature selection of organisms with more than three properties, is the first step of biological recognition.In addition, there are two important indexes in biological recognition technology. The rejection rate and recognition rate. Adjusting the relation of these two values is very important. The reject rate, the so-called false rejection, this value is high, use frequency is low, the error recognition, its value is high, safety is relatively reduced. So in the biological identification of any adjustment, the two index is a can not abandon the process. The choice of range size, related to the biological identification is feasible and available .And technology of identity recognition based on iris feature now appears, it is the development of biometric identification technology quickly, due to its uniqueness, stability,convenience and reliability, so the formation of biometric identification technology has the prospects for development.Generally speaking, the biological recognition system consists of 4 steps. The first step, the image acquisition system of collecting biometric image; the second step, the biological characteristics of image preprocessing (location, normalization, image enhancement and so on); the third step, feature information extraction, converted into digital code; the fourth step, the generation of test code and database template code to compare, make identification。

人脸识别外文翻译参考文献

人脸识别外文翻译参考文献

人脸识别外文翻译参考文献(文档含中英文对照即英文原文和中文翻译)译文:基于PAC的实时人脸检测和跟踪方法摘要:这篇文章提出了复杂背景条件下,实现实时人脸检测和跟踪的一种方法。

这种方法是以主要成分分析技术为基础的。

为了实现人脸的检测,首先,我们要用一个肤色模型和一些动作信息(如:姿势、手势、眼色)。

然后,使用PAC技术检测这些被检验的区域,从而判定人脸真正的位置。

而人脸跟踪基于欧几里德(Euclidian)距离的,其中欧几里德距离在位于以前被跟踪的人脸和最近被检测的人脸之间的特征空间中。

用于人脸跟踪的摄像控制器以这样的方法工作:利用平衡/(pan/tilt)平台,把被检测的人脸区域控制在屏幕的中央。

这个方法还可以扩展到其他的系统中去,例如电信会议、入侵者检查系统等等。

1.引言视频信号处理有许多应用,例如鉴于通讯可视化的电信会议,为残疾人服务的唇读系统。

在上面提到的许多系统中,人脸的检测喝跟踪视必不可缺的组成部分。

在本文中,涉及到一些实时的人脸区域跟踪[1-3]。

一般来说,根据跟踪角度的不同,可以把跟踪方法分为两类。

有一部分人把人脸跟踪分为基于识别的跟踪喝基于动作的跟踪,而其他一部分人则把人脸跟踪分为基于边缘的跟踪和基于区域的跟踪[4]。

基于识别的跟踪是真正地以对象识别技术为基础的,而跟踪系统的性能是受到识别方法的效率的限制。

基于动作的跟踪是依赖于动作检测技术,且该技术可以被分成视频流(optical flow)的(检测)方法和动作—能量(motion-energy)的(检测)方法。

基于边缘的(跟踪)方法用于跟踪一幅图像序列的边缘,而这些边缘通常是主要对象的边界线。

然而,因为被跟踪的对象必须在色彩和光照条件下显示出明显的边缘变化,所以这些方法会遭遇到彩色和光照的变化。

此外,当一幅图像的背景有很明显的边缘时,(跟踪方法)很难提供可靠的(跟踪)结果。

当前很多的文献都涉及到的这类方法时源于Kass et al.在蛇形汇率波动[5]的成就。

机器视觉作业 部分英文单词翻译与解释

机器视觉作业 部分英文单词翻译与解释

第一次作业1、什麽是视觉?物体的影像刺激眼睛所产生的感觉。

(视力+知识)2、人类视觉通常包括那几个主要部分,各自的功能是什麽?晶状体,视网膜,视觉神经,大脑。

晶状体:调节焦距,接受处理光信号。

视网膜:将光信号转换为电信号。

有杆状细胞(暗细胞,感知明暗信息)和锥状细胞(明细胞,感知颜色信息)组成。

视觉神经单元:在眼内由视网膜节细胞发出的纤维组成,将电信号传至大脑。

大脑:对图像进行分析处理。

3、机器视觉通常包括那几个主要部分,各自的功能是什麽?光学镜头,光电传感器,适配器,A/D转换器,数字处理系统。

光学镜头:对外界的景物进行成像或者聚焦。

光电传感器:将图像信号转换换成连续的视频信号输出。

适配器:将输出的连续的电信号进行规划,使之满足后续处理的要求。

A/D转换器:将模拟信号转换成数字信号。

数字处理系统:对数字信号进行处理,使之成为满足要求的信号。

4、人类视觉与机器视觉各自的优缺点是什么?人类视觉:优点:处理速度快;处理能力强;对环境的响应能力强;成像分辨率高;较为灵活。

缺点:主观性强;耐疲劳能力弱;只能看见可见光;不能定量分析物体分布距离。

机器视觉:优点:能适应恶劣环境,耐疲劳;可识别更多的光谱,准确性高;控制简单;信息响应快速;尺寸测量、定量检测、三维形状测试方面强。

缺点:串行工作方式;对环境快速响应能力差;光学系统需要改进。

5、机器视觉涉及到那些学科的知识?机器视觉可在哪些领域应用?学科:光学,物理学,机械设计,自动控制原理,工程测试等。

应用领域:通信工程、遥感技术、医用图像处理、工业领域、军事公安、文化艺术等。

6、能否举2个机器视觉的应用案例?利用点视觉检测系统,在香皂包装机中,对香皂包装过程中的数量进行计数并控制。

鱼类产品的自动识别分类。

7、机器视觉检测技术与传统检测技术有何不同?能解决那些传统检测技术解决不了的问题?传统检测技术主要是利用结构光的检测方法,机器视觉检测主要是利用三维立体视觉检测方法。

Detecting Faces in Images:a survey(中文版)

Detecting Faces in Images:a survey(中文版)

2.
这部分,我们回顾一下在单张黑白或彩色图像中检测人脸的一些方法。我们把对单张图像的检 测分为四类,有些方法明显同时属于多于一个类,这些方法将在本部分的最后讨论。 1) 基于知识的方法。这些基于先验知识的方法对组成典型人脸的知识进行编码。通常,先验 知识包含了这些人脸特征之间的相互关系。此类方法主要用于人脸定位。 2) 特征不变方法。这些算法的目标是找出存在的一些结构特征,这些特征在姿势、观察点、 光照条件改变的情况下保持不变。然后使用这些特性来定位人脸。这些方法主要用于人脸 定位。 3) 模版匹配法。这种方法首先是存储一张人脸的几个标准模版,用来描述整张人脸或人脸的 部分特性。然后通过计算输入图像与已经存储模版之间的相关度来进行检测。这些方法既 可用于人脸检测也可用于人脸定位。 4) 基于外观的方法。 与模版匹配不同的是, 这里的模版是从一组训练图像经过学习而得来的, 这些图像应该包括人脸外观的具有代表性的变化因素。这些方法主要用于人脸检测。 表格 1 单张图像中的人脸检测方法分类 方法 基于知识 特征不变量 -人脸特征 -纹理 -肤色 -多特征 模版匹配 -预先定义人脸模版 -可变形模版 基于外观的方法 -本征脸 -基于分布 -神经网络 -支持向量机(SVM) -贝页斯分类 -隐马尔可夫模型(HMM ) -信息理论法 代表性成果和信息媒介的普及,在人机交互方面越来越多的高效友好的方法被开发出来,这 些方法不依赖于传统的设备,比如说键盘、鼠标和显示器。而且,计算机性价比持续下降,近来视 频设备成本下跌,预示着计算机视频系统能够在台式机和嵌入式系统中开发。 (见于文献〔 111〕 、 〔112〕 、 〔113〕 ) 。人脸处理研究的快速发展是基于假设的,即关于用户身份、状态、意图的信息能 够从图像中抽取出来,然后计算机做出相应响应,比方说观察一个人的面部表情。尽管心理学家、 神经学学家和工程师们已经在人脸和人脸表情识别方面研究了 20 多年, 但近五年中这方面已经吸引 了很多人的注意。很多开发出来的科研原型系统和商业产品应用了这些方法。任何一个人脸处理系 统的第一步是人脸在图像中的位置。然而,从单张图片中检测出人脸是一项具有挑战性的工作,因 为人脸在大小、位置、方向、姿势方面是可变的。人脸表情、牙齿相接触的方式、光照也会改变人 脸的整体外观。 现在,我们对人脸检测下一个定义:给定任意图像,人脸检测的目的是确定图像中是否有人脸, 如果有人脸,则返回人脸在图像中的位置和范围。人脸检测面临的挑战可以归结为一下因素:

我们的眼睛英语

我们的眼睛英语

我们的眼睛英语English:Our eyes are incredible and complex organs that allow us to see the world around us. They contain a network of muscles, tissues, and a lens that work together to focus light onto the retina, where the visual information is converted into electrical signals and transmitted to the brain. Our eyes are also equipped with a protective system that includes eyelids, tears, and eyelashes to keep them moist, clean, and safe from dirt and debris. The eyes have the remarkable ability to adjust to different levels of light, thanks to the pupil and the iris, which control the amount of light that enters the eye. In addition, our eyes are capable of perceiving a wide spectrum of colors and can distinguish between different shapes, sizes, and distances. Overall, our eyes play a crucial role in our daily lives, allowing us to navigate the world and experience the beauty of our surroundings.中文翻译:我们的眼睛是令人难以置信且复杂的器官,使我们能够看到周围的世界。

眼睛识别(英文)

眼睛识别(英文)

眼睛识别(英文)
余生泽
【期刊名称】《中学英语园地:八年级》
【年(卷),期】2008()6
【摘要】Soon computers and other machines will be able to remember you by looking at your eyes! The program works because everyone’s eyes are different. So in the future you won’t have to remember a secret code(密码) when you want to use a machine or take money out of a bank. You’ll just have to look at the machine and it will be able to tell who you are.
【总页数】2页(P8-9)
【关键词】初中英语;英语阅读;课外读物;优秀文章
【作者】余生泽
【作者单位】福建
【正文语种】中文
【中图分类】G623.31
【相关文献】
1.擦亮眼睛识别真伪——主流硬件识别面面观 [J], 许粤辉
2.中英文商业欺诈的语言表现及识别分析r——以中英文加盟类欺诈宣传文本为例[J], 王雪飞
3.黑夜给了我黑色的眼睛——谈谈中英文里的“黑与夜” [J], 孟德宏
4.中英文商业欺诈的语言表现及识别分析——以中英文加盟类欺诈宣传文本为例[J], 王雪飞;
5.皮克拉,自我身份认同的警醒——小议托妮·莫里森《最蓝的眼睛》(英文) [J], 金丹
因版权原因,仅展示原文概要,查看原文内容请购买。

心理学词汇大全

心理学词汇大全

翻译群Group讨论区BBS应用区Manyou排行榜Ranklist亲爱的译友欢迎您光临91翻译网!中国最大的翻译SNS社区!社区翻译资料中心术语词汇| 翻译软件| 高级口译小语种区| 求职招聘| 免费发布时政翻译|法律翻译|体育英语|金融翻译|医学翻译|餐饮翻译|汽车翻译|法语学习|俄语学习|日语学习|德语学习|英语谚语|翻译漫谈|翻译资格考试|我译故我在心理学词汇大全Psychology心理学 psychology心理现象 mental phenomenon心理过程 mental process心理状态 mental state心理活动 mental activity意识 consciousness心理维度 psychological dimension心理运动 psychomotor内部活动 internal activity普通心理学 general psychology实验心理学 experimental psychology行为科学 behavioral science心身关系 mind-body relation心理机能定位 localization of mental function心理能动性 mental activism外周论 peripheralism先天理论 nativistic theory强调遗传素质决定人心理的产生与发展。

遗传 heredity目的论 teleology认为生物和人类的活动受一定目的的引导。

活动 activity活动理论 activity theory认知心理学 cognitive psychology认知 cognition相对于情感、意志等心理过程的所有认识过程的总称。

包括知觉、注意、表象、学习记忆、问题解决、思维和言语等心理过程。

认知过程 cognitive process认知结构 cognitive structure元认知 metacognition认知失调 cognitive dissonance认知地图 cognitive map认知技能 cognitive skill认知方式 cognitive style信息 information信息论 information theory信息加工 information processing信息加工心理学 information processing psychology 信息加工理论 information processing theory信息加工模型 information processing model中央处理器模型 central processor model信息储存 information storage信息提取 information retrieval人工智能 artificial intelligence, AI计算机类比 computer analogy计算机模拟 computer simulation计算机模型 computer model唯心主义心理学 idealistic psychology意动心理学 act psychology唯意志论 voluntarism唯灵论 spiritualism强调超自然精神作用。

翻译vision

翻译vision

翻译vision基本解释●vision:视力,视觉;愿景,想象力●英音:/ˈvɪʒ.ən/ 美音:/ˈvɪʒ.ən/●n. 视力,视觉●n. 愿景,想象力变化形式●n. 复数形式:visions具体用法●●n. 视力,视觉o同义词:eyesight, sight, perception, view, observationo反义词:blindness, obscurity, darkness, invisibility, ignoranceo例句:●She has perfect vision and can see things clearly even from adistance. 她的视力很好,即使从远处也能清晰地看到东西。

●The doctor tested his vision to ensure there were no issueswith his eyesight. 医生检查了他的视力,以确保他的视力没有问题。

●With age, many people experience a decline in their vision,requiring glasses. 随着年龄的增长,许多人视力下降,需要戴眼镜。

●The vision of the eagle is incredibly sharp, allowing it to spotprey from high above. 鹰的视力非常敏锐,使它能够从高空发现猎物。

●After the surgery, her vision improved significantly, and sheno longer needed glasses. 手术后,她的视力显著改善,不再需要戴眼镜。

●His vision was blurred due to the fog, making it difficult todrive safely. 由于雾气,他的视力模糊,难以安全驾驶。

ophthalmologist词根

ophthalmologist词根

ophthalmologist词根摘要:1.Ophthalmologist 的词根2.词根的含义3.Ophthalmologist 的发展4.Ophthalmologist 的现状5.Ophthalmologist 的重要性正文:1.Ophthalmologist 的词根Ophthalmologist 是一个英文单词,它的词根来自于希腊语。

其中,“ophthalmos”意为“眼睛”,“-logist”则是一个表示“学者”的后缀。

因此,Ophthalmologist 的字面意思是“眼睛学者”,即专门研究眼睛和视觉问题的专家。

2.词根的含义词根“ophthalmos”来源于希腊语,它的含义是“眼睛”。

在现代医学中,这个词根被用来描述与眼睛和视觉相关的疾病和症状。

除了Ophthalmologist 外,还有一些与眼睛有关的词汇也包含这个词根,例如ophthalmia(眼科疾病)、ophthalmic(与眼睛有关的)等。

3.Ophthalmologist 的发展眼科学(Ophthalmology)是一门研究眼睛和视觉系统疾病的医学专科。

在古代,人们对眼睛和视觉问题的认识非常有限。

随着科学技术的发展,人们对眼睛结构和功能的了解逐渐加深,眼科学也得以逐渐发展壮大。

现代眼科学已经成为一门高度专业化的学科,涵盖了众多领域,如眼底病、角膜与外眼病、眼表与结膜病等。

4.Ophthalmologist 的现状在当今社会,Ophthalmologist 已经成为一种非常重要的职业。

随着生活方式的改变和人口老龄化,眼睛疾病患者数量逐年上升,对眼科医生的需求也越来越大。

Ophthalmologist 不仅要具备丰富的专业知识,还要掌握先进的医疗技术,为患者提供高质量的医疗服务。

此外,眼科医生还需要与其他医学专科密切合作,共同研究眼科疾病的预防和治疗方法。

5.Ophthalmologist 的重要性眼科医生在现代社会中扮演着举足轻重的角色。

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译文:惺忪眼睛识别之睡意检测林信锋,林家仁,姚志国立东华大学,台湾花莲摘要:随着科学技术和汽车工业的进步,道路上有了越来越多的车辆。

其结果是,繁忙的交通经常导致越来越多的交通事故。

普通交通事故,司机注意力不集中通常是一个主要原因。

若要避免这种情况,本文提出了惺忪的眼识别系统的嗜睡检测。

首先,级联Adaboost算法与Haar特征分类器来找出人脸。

第二,眼睛区域位于主动形状模型(ASM)搜索算法。

然后采用二进制的模式和边缘检测的眼睛特征提取和确定眼睛的状态。

实验结果表明即使没有系统训练阶段也能与其他方法的性能比较。

关键词:人脸检测;人眼识别;睡意。

一、引言在过去的几十年中,随着车辆技术的发展交通事故发生率越来越高。

驾驶员疲劳驾驶被认为是一个重要因素。

许多研究显示长时间驾驶的危险是相当于醉酒驾驶。

因此,驾驶员疲劳驾驶已成为一个普遍的问题。

其结果是,大量的研究一直致力于检测系统的不安全驾驶。

安全驾驶系统可以概括为两大类。

一种是车辆的"以车为本"的 [1] [2] 方法,其中着重论述,如车辆的道路上,位置状态变化的速度,等等。

另一类是"以人为本"的方法,侧重于驱动程序的状态。

此方法分析了驱动程序的人脸图像与图像处理和模式识别,如眨眼频率和眼睛关闭 [3] 的时间。

提出的方法基于这一类别。

林 et al.[4] 评估几个功能集和分类对于亲密关系的人眼检测。

他们采用灰度值,Gabor 小波、局部二进制模式(LBP)及直方图的面向梯度(HOG)来表示功能集,并与三种类型的分类器(即,邻近取样(NN),支持向量机(SVM)和 Adaboost算法)比较。

实验结果表明,各种特征描述符的结合大大提高了精度。

吴吴 et al.[5] 提出了一种识别眼睛的状态方法。

他们用 haar 特征和Adaboost 分类器 [6] 来找出人脸区域。

LBP 被考虑作为图像的特征和特点采用支持向量机训练。

然后利用支持向量机识别眼睛的状态。

他们证明了该方法能有效地检测司机睡意,通过计算 PERCOLS (眼闭百分比)。

在本文中,我们提出惺忪的眼识别系统训练阶段无睡意检测。

一个级联的Adaboost 分类器 haar 特征 [7] 与主动形状模型(ASM) [8] 用于找出人脸定位和眼区。

然后采用二进制的模式和边缘检测的眼睛特征提取和确定眼睛的状态。

实验结果与其它的方法,有训练阶段将演示的性能比较。

本文的结构如下。

第 2 节中,描述了拟议的方法。

节 3 演示实验结果。

最后,第 4 节中得出结论。

二.拟议的方法提出的方法具有四个主要步骤: 1)图像预处理;2)人脸检测;3)眼睛检测;4)的眼睛的状态识别。

图 1 说明了驾驶员瞌睡侦测系统的流程图。

在下面的小节提出了所提出方法的细节。

图一:该算法的流程图。

A.图像预处理亮度变化会影响系统的精确率。

因此,提出的方法都最初适用光补偿的直方图均衡化 [9]。

在此步骤中,图 2 中所示我们分为红色、绿色和蓝色分量的彩色图像,分别适用于每个组件的直方图均衡化。

然后得到补偿的图像。

光的补偿,我们降低了补偿图像的分辨率,以提高系统的效率。

图二:光补偿的直方图均衡方案B.人脸检测级联的 Adaboost 分类器 haar 特征 [10] 利用,找出人脸区域。

第一,补偿的图像分割成矩形区域,在任何位置和原始图像中的刻度数。

由于人脸面部特征的差异,haar 特征是有效的实时人脸检测。

这些可以根据不同的矩形区域内的像素值的总和计算。

如图 3 所示,可以由不同组成的黑色区域和白色区域表示功能。

级联的 Adaboost 分类器是一个强分类器相结合的几个弱分类器。

每个弱分类器的Adaboost 算法训练。

如果候选人样品通过级联的 Adaboost 分类器,可以发现人脸区域。

几乎所有的脸样本可以通过和非人脸样本会被拒绝。

图 4 显示的人脸检测与级联的Adaboost 分类器。

abc图 3:Haar 特征: (a) 边缘特性线 (b) (c) 中心-包围功能图 4:与级联的 Adaboost 分类器的人脸检测C.眼检测主动形状模型(ASM) [8] 是一种基于统计学习模型的人脸特征提取算法。

它的目的是以匹配新的图像模型。

在拟议的方法中,ASM 被训练从面部的轮廓与一组手动标记的点。

然后算法选择主要变化训练数据中的主成分分析(PCA)方法。

建立 ASM 后, 眼睛定位得到如图 5 所示。

图 5:检测结果的人脸区域和眼睛的位置D.表彰的眼睛的状态眼睛的特征提取识别眼睛的状态。

一般情况下,左眼状态等于权利一在同一时间。

因此,我们只考虑在一个框架中的一只眼睛状态。

这种考虑也是有益于降低了计算复杂度。

在此步骤中,通过了两项计划:(1)二元模式和 (2) Canny 边缘检测 [11]。

眼图像转换为二进制模式基于阈值 t。

n xTni i ∑==1( 1 )(1) n 是像素在眼部和 x 我的号码是该位置的像素值在该地区。

眼部有 n 像素为单位)。

如果 P 的像素值大于阈值 T ,P 将设置为白色,1。

否则 P 将被设置为 0。

它的定义 (2) 所示。

{,),(,1.),(,0),(T y x gray T y x gray y x p ≥<=( 2 ) 图 6 显示了一些二进制模式的睁眼和闭的眼。

完成的眼图像转换后,眼睑的高度被用于确定眼睛的状态。

图 6。

二进制模式: (a)-(b)开眼和 (c)-(d) 闭眼Canny 边缘检测算法很出名的是它能够生成连续的边缘。

首先,图像平滑的高斯卷积。

),(*),(),(g y x G y x I y x σ=(3)2222)(221),(σσπσy x e y x G +-=(4)在σ那里是尺度参数。

然后,通过差分滤波计算出的大小和方向的边缘。

通过多尺度边缘信息获得最终的边缘图像。

最后,边缘点的号被总结识别眼睛的状态。

三.实验结果在实验中,' 眨眼个人主页数据库 ' [12] 采用绩效进行评价。

它包含 80 20 个人的 AVI 格式的视频剪辑。

有四种类型的剪辑: 1)正面视图不戴眼镜,2)正面视图和薄的金边眼镜,3)正面视图和黑框眼镜,4)向上视图不戴眼镜。

每个个体以正常的速度闪烁,一个视频剪辑的不同 1 至 6 倍。

一些框架如图 7 所示。

图 7:四种类型的个人主页眨眼数据库我们可以适用 SPSS 绘制 ROC (接收机经营特点)曲线,实验的图 8 所示。

然后计算 AUC (曲线下面积)值,97.4%。

闭着眼睛,睁开眼睛的识别率列在表一、表二所显示的识别率和 AUC 相比 [4]。

它被指出我们的结果优于某些现有的方法进行训练阶段。

此外,我们的方法的性能比较被获得未经训练阶段。

图8:roc曲线表一:准确率和LBP及支持向量机的比较表二:与【4】的性能比较四、结论本文介绍了惺忪的眼识别嗜睡检测未经训练阶段。

开始的时候,用 haar 特征 Adaboost 分类器是应用,找出人脸区域。

然后眼睛区域位于 ASM。

最后,采用二进制的模式和边缘检测识别眼睛的状态。

实验结果证明该方法可以准确地检测困倦的眼睛。

此外,性能比较表明无训练阶段的识别系统是有用的驾驶员睡意检测。

确认本文的研究是通过利用 '眨眼个人主页数据库' [12] 完成的。

我们深深地感谢团队提供完整的数据库。

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