国际会议英文发言稿
国际会议发言稿模板英语
[Your Title/Position][Your Organization][Date]Ladies and Gentlemen,Good morning/afternoon/evening. It is a great honor to stand before such a distinguished audience at the [Name of Conference]. Today, I am privileged to present on the topic of [Topic of the Speech]. As we gather here from diverse corners of the world, it is our collective responsibility to engage in meaningful discussions and share insights that can contribute to the betterment of our global community.---Introduction[Start with a brief introduction about the conference and the theme.]Good [morning/afternoon/evening], esteemed colleagues and fellow global citizens. The [Name of Conference] has brought us together to explore the multifaceted challenges and opportunities presented by [theme of the conference]. The theme, [Title of Your Speech], resonates deeply with the current state of our world, where [mention a brief context, e.g., technological advancements, environmental concerns, social inequalities].In my presentation today, I aim to delve into [specific aspects of the topic], highlighting key findings, sharing best practices, and proposing innovative solutions. By the end of this session, I hope to have sparked a conversation that will continue to resonate long after we have dispersed.---Background and Context[Provide background information and context to set the stage for your presentation.]To understand the significance of [Title of Your Speech], it is crucial to acknowledge the background and context. [Here, you can include statistics, historical perspectives, or recent developments that have led to the current situation.]For instance, the rapid pace of technological innovation has revolutionized the way we live, work, and interact. However, thisdigital transformation has also brought about unprecedented challenges, such as [mention specific challenges, e.g., digital divide, cybersecurity threats].---Key Findings and Insights[Present the main findings or insights of your research or study.]In my research/study, I have identified several key findings that are pertinent to [Title of Your Speech]. These include:1. [First finding with supporting evidence or examples.]2. [Second finding with supporting evidence or examples.]3. [Third finding with supporting evidence or examples.]These findings underscore the complexity of the issue at hand and highlight the need for a comprehensive approach to address [Title of Your Speech].---Best Practices and Case Studies[Share examples of successful strategies or practices from around the world.]To illustrate how we can tackle the challenges presented by [Title of Your Speech], let us look at some best practices and case studies from various regions and sectors:- [Case study 1: Description of the practice, its impact, and the lessons learned.]- [Case study 2: Description of the practice, its impact, and the lessons learned.]- [Case study 3: Description of the practice, its impact, and the lessons learned.]These examples demonstrate that while the challenges may vary, the principles behind successful interventions remain consistent.---Proposed Solutions and Recommendations[Offer your own proposals for addressing the issue.]Building upon the insights and experiences shared, I would like to propose the following solutions and recommendations:1. [First recommendation with a brief explanation of its potential impact.]2. [Second recommendation with a brief explanation of its potential impact.]3. [Third recommendation with a brief explanation of its potential impact.]These recommendations are not exhaustive but are intended to stimulate further discussion and action.---Conclusion[Summarize the main points and reiterate the importance of the topic.]In conclusion, the topic of [Title of Your Speech] is of paramount importance in our interconnected world. The challenges we face are complex, but they are not insurmountable. By drawing upon the collectivewisdom of this conference, we can work together to devise strategies that are both innovative and practical.I would like to extend my gratitude to the organizers of the [Name of Conference] for providing this platform for exchange and collaboration.I am confident that the discussions and ideas shared here today will contribute to a more sustainable, equitable, and prosperous future for all.Thank you for your attention, and I am now open to any questions or comments you may have.---[Your Name][Your Title/Position][Your Organization][Contact Information]---Please note that this is a template and should be customized to fit the specific topic, audience, and goals of your presentation. Additionally, the length of the speech may need to be adjusted based on the allotted time for your presentation.。
国际会议发言稿 英文(精选多篇)
国际会议发言稿英文(精选多篇)第一篇：国际会议--英文表示欢迎：good morning, ladies and gentlemen, i’m privileged to welcome you all to “the current status and future development of cotton machinery” conference.自我介绍：let me introduce myself i am dr lifrom beijing, china, and i am going to be the chair for this morning’s session.介绍议题：this conference will focus on the discussion of the various aspects of cotton machinery. it includes the application of cotton machinery and the current status.and we will also discuss the prospect of cotton machinery. 介绍报告人：now it gives me great pleasure to introduce today’sparticipants. they are :han dan, the director general of the united nations industrial development organization(联合国工业发展组织总干事)zhang hui, president of china power investment group company.shang fengjiao, professor of physics ,head of american nuclear energy association.now, we welcome the opening of han dan do for us（现在，我们欢迎aa 为我们做致开幕词）aa上台today our first speaker isbb hui. let’s welcomebb上台thanks professor bb very much for her splendid report. after pro bb’s speech , do you have any questions, hands up please!提问者提问any additional questions ?thank you once again for your excellent explanationnow, let’s welcome the speech by professor cccc上台thank professor cc for his excellent remarks cc. after pre cc’s report is there any specific question you would like to address to professor cc?提问者提问any additional questions ?well, i am sure we could discuss longer, but unfortunately time is up. thank youvery much, dr ccthanks for the excellent report of the two experts. finally let’s welcome to professor aa, give us a summary of conference.aa上台（报告总结，宣布闭幕）i’d like to thank all the representatives for their excellent remarks. also i should thank all the organizing committee for their arrangement and organization. meanwhile, i hope you’ll enjoy your stay in harbin.第二篇：国际学术会议发言稿1. prologuethank you, mr. chairman, for your gracious introduction. i am honored to have the chance to address you on this special occasion. the topic of my paper is “transaction cost and farmers’choice of agricultural products selling”. the outline of my talk as follows. the first part i want to introduce the background of this research. the second part suggests a simple household choice model .the third part covers the data used in this research. and then, we introduce the empirical results. finally, a (转载请注明来源：)simple conclusion is given.2. introductionwell, let’s move on the first part of this topic .the motivation of this work like this. institutional economics posits that agents making decisions on different types of transactions do so in a costly way .for example , farmers deciding sell a particular crop to whom base their decisions not only on the price they expect to receive in each market choice but also on additional costs related to transacting in these markets.i want to use a picture to illustrate it. for example, given some market channels, farmers’choices can be regarded as equilibrium between the surplus and the additional costs that related to transacting .especially in developing countries, high-value crop producers fully participate in the market and the transaction cost has been the hard constraint to farmers.furthermore, farmers’market choices can be taken as a choice dilemma of transaction cost and production surplus. consequently, the scientific question of this research is how transaction cost affects planters’choices.3. methodologylet’s move to the theoretical model of our research. consider a household model in one rotation. in stage 1 , famer η needs to allocate the input factors .this process can qbe set into a function like this q? ? q( p , w , z ? ) , qη means the output farmers decide qto produce .p implies the output price w implies input price and.z: ? is fixed input. once produce what and produce how many are decided, next question to be considered is how much products to be transacted in market. here we use three cc()cη means how functions to describe this question. the first equation, c ? ?p , z ?much agricultural products used by famers themselves. p implies the price the cagricultural product,z ?suggests the fluctuation of cη. the second equation q ? ? q ? ?c?, qη means the amount of agricultural products transacted inq?n?market. the third equationi ? q ?implies the amount exchanged in nth time.in stage 3, farmers will decide to sell the products to whom. chanel j’s market price isbdecided by an exogenesis price and farmers’negotiating power.pij?p* j?b(qi,zi)besides this, we use a matrix to show the net profit of chanel jx ik? ik, ? ?? ik ?and then farmers’choice can be expressed in a typical choice model exp(xij?)pr(ji?j|xik)?1 exp(xij?)? k?1based on the choice model, another important concept is famers’channel choice .here, we set five types .they rank by the market barriers. accordingly, we set a group discrete number to express them. y: dependent variable y=5,means farmer choosebrokers. y=1, farmers sell products to consumers directly.4. data and estimation procedureshere, we illustrate the data distribution with this map. according to the agricultural regionalization from department of agriculture, the apple specialization areas in china contain two parts: bo sea area and loess plateau. bo sea area in red color, contains hebei, shandong and liaoning 3 provinces. and loess plateau in green color, contains shanxi, henan, shaanxi and gansu 4 provinces. firstly, we use pps method to get the first stage sampling unit 14 counties in 7 provinces. then use random sample method to get village and household. they are our sample distribution.5. empirical results6. conclusions第三篇：国际友人发言稿英文翻译国际友人发言稿尊敬的各位领导，亲爱的各位同学们：大家下午好！今天很荣幸能够站在这里参加此次活动。
国际会议英语演讲稿
国际会议英语演讲稿Ladies and gentlemen,。
It is my great honor to stand here today and address this esteemed gathering at the international conference. As we come together from different countries and backgrounds, it is a testament to the power of collaboration and the exchange of ideas.The theme of this conference, "Building Bridges for a Sustainable Future," is particularly pertinent in today's global context. In an increasingly interconnected world, the need for cooperation and understanding between nations has never been more important. We are faced with complex challenges such as climate change, economic inequality, and geopolitical tensions. It is only through dialogue and cooperation that we can hope to address these issues and build a better future for generations to come.In the realm of international relations, effective communication is key. The ability to express our ideas and concerns in a clear and persuasive manner is essential for fostering understanding and cooperation. This is particularly true in the context of diplomatic relations, where the words we choose and the way we deliver them can have far-reaching implications. As such, honing our skills in international conference English is of utmost importance.In preparing for this conference, I have reflected on the power of language in shaping our perceptions and influencing our actions. The English language, as the lingua franca of international diplomacy and business, holds a special significance in facilitating cross-cultural communication. As we engage in discussions and negotiations, our ability to articulate our thoughts and convey our intentions in English can greatly impact the outcomes of our interactions.Furthermore, the art of public speaking in English is a valuable skill that can enhance our effectiveness as global citizens. Whether addressing a room full of delegates or delivering a presentation to a multinational audience, the ability to deliver a compellingand persuasive speech in English can open doors and foster connections. It is through our words and our delivery that we can inspire, persuade, and mobilize others to action.In conclusion, as we navigate the complexities of the international arena, let us not underestimate the power of language and effective communication. Let us strive to master the nuances of international conference English, recognizing its potential to bridge divides and build a more sustainable future. Together, let us embrace the opportunity to exchange ideas, forge partnerships, and work towards a world of greater understanding and cooperation.Thank you.。
国际会议英文发言稿
国际会议英文发言稿Ladies and gentlemen,It is an honor and a privilege to stand before you today at this prestigious international conference. As we gather here from all corners of the globe, we are reminded of the power and importance of collaboration, communication, and the exchange of ideas.In today's rapidly changing world, it is essential that we come together to address the pressing challenges that face us. From climate change to global health crises, from economic instability to social inequality, the issues we face are complex and interconnected. But by working together, by sharing our knowledge and expertise, we can find innovative solutions and create a more sustainable and equitable future for all.As we engage in discussions and debates over the coming days, let us remember the importance of listening to one another, of respecting different perspectives, and of finding common ground. Let us strive to create an atmosphere of openness and mutual respect, where all voices are heard and all ideas are given due consideration.I am confident that this conference will be a catalyst for positive change and a platform for collaboration and cooperation. Together, we can make a difference. Together, we can build a better world for future generations.Thank you.。
国际会议英语演讲稿优选篇
国际会议英语演讲稿优选篇国际会议英语演讲稿 1On the International Day of United Nations Peacekeepers, we honour the sacrifices of the men and women who lost their lives while serving under the UN flag.This year's memoration is a somber one. The past 14 months have been especially deadly for UN peacekeeping.Ambushes in Darfur.Terrorism in Kabul...And a plane crash in Haiti...These were among the tragedies that struck peacekeeping last year, killing 121 people.That toll was nearly matched in a few seconds with the devastating earthquake that struck Haiti last January. The United Nations Stabilization Mission in Haiti lost 96 peacekeepers __ the biggest single loss of life in peacekeeping history.But that dark day also became one of our finest hours, as the men and women of __H set aside their own trauma, got the mission quickly back on its feet, and helped the people of Haiti cope with the horrific aftermath.As we honour such moving displays of courage and dedication, we also pay tribute to the more than 122,000 military, police and civilianpersonnel who serve with distinction in our operations across the world.Their efforts directly help millions of people...By providing security and promoting reconciliation...By clearing land-mines and demobilizing batants...By strengthening institutions and the rule of law...By delivering aid and repatriating refugees and displaced persons By supporting democratic elections, reforming the security sector...and so much more.Peacekeeping is an indispensable part of the UN’s work for a better world. Let us give it the support it needs to succeed.。
英文国际会议发言稿
Ladies and Gentlemen,Good morning/afternoon/evening. It is a great honor to stand before you today at this esteemed international conference. I am here to discuss a topic that is not only critical to our present but also to the future of our planet – the role of sustainable development in building aresilient future.As we gather here from different corners of the world, it is evidentthat we are all facing common challenges that require our collective efforts to address. Climate change, environmental degradation, economic disparities, and social inequalities are some of the pressing issuesthat we need to tackle head-on. Sustainable development, as a holistic approach, offers a promising solution to these challenges.Let me begin by defining what sustainable development is. According to the Brundtland Commission, sustainable development is "development that meets the needs of the present without compromising the ability offuture generations to meet their own needs." This definition encapsulates the essence of sustainable development, which is not just about economic growth but also about social progress and environmental stewardship.The Need for Sustainable DevelopmentThe world is currently facing a triple planetary crisis – climate change, biodiversity loss, and pollution. These crises are interconnected and have far-reaching impacts on our planet and its inhabitants. For instance, climate change is causing extreme weather events, sea-level rise, and habitat loss, which in turn affect food security, water availability, and human health. Biodiversity loss is leading to the extinction of species, which disrupts ecosystems and reduces their resilience to environmental changes. Pollution, whether in the form of air, water, or soil pollution, poses significant risks to human health and ecosystems.These crises underscore the urgency for a transformative shift towards sustainable development. It is not enough to address these challenges inisolation; we need a systemic approach that integrates economic, social, and environmental considerations. By focusing on sustainable development, we can create a more resilient future for all.Economic Dimensions of Sustainable DevelopmentEconomic growth has been the primary driver of human progress over the past few centuries. However, the traditional model of economic growthhas come at a significant cost to our planet. It has led to resource depletion, environmental degradation, and social inequalities. Sustainable development offers an alternative economic model that promotes inclusive growth, resource efficiency, and innovation.Investing in renewable energy, sustainable agriculture, and green technology can create new jobs and stimulate economic growth. These sectors have the potential to become major engines of economic development in the coming decades. Additionally, sustainable development can help reduce poverty and improve living standards by ensuring thatthe benefits of economic growth are shared more equitably.Social Dimensions of Sustainable DevelopmentThe social dimension of sustainable development is equally important. It is about ensuring that all people have access to basic services, such as education, healthcare, and clean water. It is about promoting gender equality, social justice, and cultural diversity. It is also about empowering communities to participate in decision-making processes that affect their lives.Sustainable development can help bridge the gap between rich and poor by providing opportunities for education and skills training. It can also promote social cohesion and resilience by fostering a sense of community and collective action. By addressing social inequalities, we can create a more just and equitable world.Environmental Dimensions of Sustainable DevelopmentThe environmental dimension of sustainable development is aboutprotecting and restoring our natural resources and ecosystems. It isabout reducing our ecological footprint and ensuring that our actions do not harm the planet. This dimension recognizes that our well-being is intricately linked to the health of our environment.Conserving biodiversity, mitigating climate change, and addressing pollution are some of the key environmental challenges we face. Sustainable development calls for the adoption of environmentally friendly practices, such as sustainable agriculture, green building, and renewable energy. It also requires international cooperation to address transboundary environmental issues.The Path to Sustainable DevelopmentAchieving sustainable development requires a multi-faceted approach that involves governments, businesses, civil society, and individuals. Here are some key steps that can be taken:1. Strengthening international cooperation and adopting global agreements, such as the Paris Agreement and the Sustainable Development Goals (SDGs).2. Investing in research and development to promote innovation and technology transfer.3. Implementing policies and regulations that incentivize sustainable practices and discourage harmful activities.4. Promoting education and awareness to change behaviors and attitudes towards sustainability.5. Encouraging corporate responsibility and ethical business practices.6. Engaging with local communities and indigenous peoples to ensure that their rights and knowledge are respected.ConclusionIn conclusion, sustainable development is not a luxury but a necessity for building a resilient future. It is a journey that requires our collective efforts, commitment, and determination. By embracingsustainable development, we can create a world that is economically prosperous, socially just, and environmentally sustainable.Thank you for your attention. I look forward to engaging in a meaningful discussion with you and exploring ways in which we can work together to make sustainable development a reality. Let us not underestimate the power of our collective actions. Together, we can shape a future that is bright, equitable, and sustainable for all.。
国际会议发言稿 英文
国际会议发言稿英文Ladies and gentlemen, distinguished guests,It is an honor for me to stand before you today and address this esteemed international conference. This gathering of brilliant minds from around the world serves as a testament to our commitment to fostering global cooperation and knowledge exchange.As we face an increasingly interconnected world, we must acknowledge the pressing issues that confront us all. Climate change, poverty, inequality, and armed conflict remain substantial challenges that demand our collective attention. The urgency of finding sustainable solutions to these global problems cannot be understated.In the face of such complexity, our collaboration becomes essential. We must transcend political differences and work together, utilizing our expertise and resources to achieve meaningful change. Only through international cooperation can we hope to create a future that is prosperous, inclusive, and just.At this conference, we have the opportunity to engage in robust dialogue and share innovative ideas that can shape the way forward. Let us take advantage of this platform to challenge conventional thinking, encourage interdisciplinary approaches, and develop evidence-based strategies.Moreover, as representatives from diverse nations, we bear the responsibility of ensuring that the voices of the marginalized andvulnerable are not only heard but also amplified. We must lead by example and strive to create societies that uplift every individual, regardless of their background or circumstances.In this pursuit, technology serves as a powerful catalyst for change. It enables us to bridge geographical distances, connect communities, and unlock endless possibilities. We must leverage the potential of digital innovations to drive inclusive development, eradicate poverty, and empower marginalized groups.Furthermore, fostering partnerships between academia, government, and civil society is key to our success. Collaboration between these sectors can lead to inspired solutions that are grounded in practicality and backed by political will. We must actively seek out opportunities to work together, share expertise, and harness our collective strength.In conclusion, let us seize this moment to recommit ourselves to the pursuit of a better world. By combining our knowledge, embracing diversity, and championing inclusivity, we can transform our societies and build a future that is equitable, just, and sustainable.Thank you for your attention and for your dedication to shaping a brighter tomorrow.。
英文国际会议发言稿范文
Good morning/afternoon/evening. It is a great honor to stand before such a distinguished audience at the [Name of Conference] to share myinsights on [Topic of the Conference]. My name is [Your Name], and I am [Your Position/Title] at [Your Institution/Organization].Today, I would like to focus on the critical issue of [Topic of Your Presentation], which has been at the forefront of global discussions and policies in recent years. As we gather here from diverse backgrounds and expertise, it is essential that we not only share our knowledge but also engage in meaningful dialogue to find sustainable solutions.To begin, let us acknowledge the gravity of the situation. [Provide a brief overview of the current state of affairs related to your topic, including statistics, case studies, or recent developments.] The implications of [Topic of Your Presentation] are far-reaching, affecting economies, societies, and the environment alike. Therefore, it is imperative that we take collective action to address this challenge.One of the key aspects of [Topic of Your Presentation] that we need to address is [Subtopic 1]. [Elaborate on the importance of this subtopic and its relevance to the main issue.] For instance, [Provide an example or case study that illustrates the impact of this subtopic.] It is clear that [Subtopic 1] plays a crucial role in shaping the future of [Topic of Your Presentation].Moving forward, I would like to propose a few strategies that can be implemented to tackle [Topic of Your Presentation]. Firstly, [Strategy 1]. This involves [Explain how Strategy 1 works and its potential benefits.] Secondly, [Strategy 2]. By [Explain the implementation of Strategy 2 and its expected outcomes.] Lastly, [Strategy 3]. This approach aims to [Explain the purpose of Strategy 3 and its long-term impact.]In addition to these strategies, it is crucial that we foster international collaboration and knowledge exchange. [Discuss the importance of collaboration and provide examples of successful partnerships.] By working together, we can leverage the strengths ofeach country and organization to create innovative solutions that address the root causes of [Topic of Your Presentation].Furthermore, we must not underestimate the power of education and awareness. [Explain how education can contribute to solving the problem.] For instance, [Provide an example of an educational program or campaign that has had a positive impact.] It is through informed citizens and stakeholders that we can drive change and ensure that the necessary actions are taken.In conclusion, the issue of [Topic of Your Presentation] requires amulti-faceted approach that involves collaboration, innovation, and education. As we continue to face the challenges ahead, let us remember that unity and determination are our greatest assets. I believe that by pooling our resources and expertise, we can make significant strides towards a more sustainable and prosperous future.Thank you for your attention. I am now open to any questions or comments you may have regarding my presentation. Let us continue this dialogueand work together to create a better world.Thank you.[Your Name][Your Position/Title][Your Institution/Organization]。
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国际会议英文发言稿篇一：英文国际学术会议开幕词演讲稿Distinguished guests, distinguished delegates, ladies and gentlemen, and all the friends: At this special time of wonderful August, With a pleasant subtropical climate in Xiamen, Our respectable guests are here getting together , undertaken by XMU , the XX 10th International Conference on Natural Computation and the XX 11th International Conference on Fuzzy Systems and Knowledge Discovery , will be open. Now, First of all, please allow me to give our hearty welcome to all of you present, and thank you , for your friendly coming. We feel so proud, and appreciated as well to be the host of the event.It is a great honor for us to have all you here to attend this conference, of which the theme is the academic exchange about the advanced technologies on Computer Science. Here I’d be delighted to introduce our conventioneers in brief. Apart from our faculty andstudents, Most of the delegates and guests are prestigious experts and scientists, who are related in these fields from all over the world. With many significant achievements, they are the most dynamic leaders in the movements of the science and technology.ICNC-FSKD is a premier international forum for scientists and researchers to present the state of the art of data mining and intelligent methods inspired from nature, particularly biological, linguistic, and physical systems, with applications to computers, circuits, systems, control, communications, and more. This is an exciting and emerging interdisciplinary area in which a wide range of theory and methodologies are being investigated and developed to tackle complex and challenging problems. As the host, I would like to take this opportunity to give you a general introduction about our school..Xiamen University(XMU), founded in 1921 ,is the first university in China founded by overseas Chinese. Before 1949, it was named University of Amoy. The school motto: "Pursue Excellence, Strive for Perfection (自强不息, 止于至善)". Now this university ranked the 13th in China, which is in the front rank in China and maintain the top 20 ranking in china. This university is one of the comprehensive universities directly affiliated with the Education Ministry, is located in the city of Xiamen in Fujian Province. In 1995 it was included in the list of the “211 Project” for the state key construction; in XX it became one of China’s higher-level universities designated for the state key construction of the “985 Project”.For this conference, we are following the agenda here. The meeting is supposed to last for three days，and to be separated into two parts. To begin with , we’ll invite some representatives from our guests to give lectures about their latest researches and reports on the issue, and then we will have some symposiums. During the conference we are pleased to be your guide to this city. If anything needed, don’t hesitate to contact us. We believe by our collaboration we are sure to make this gathering a consummation.And finally I wish you an unforgettable and prefectexperience here.Thanks!篇二：英文国际会议讲稿PPT(1)大家上午好！今天我汇报的主题是：基于改进型LBP算法的运动目标检测系统。
运动目标检测技术能降低视频监控的人力成本，提高监控效率，同时也是运动目标提取、跟踪及识别算法的基础。
图像信号具有数据量大，实时性要求高等特征。
随着算法的复杂度和图像清晰度的提高，需要的处理速度也越来越高。
幸运的是，图像处理的固有特性是并行的，尤其是低层和中间层算法。
这一特性使这些算法，比较容易在FPGA等并行运算器件上实现，今天汇报的主题就是关于改进型LBP算法在硬件上的实现。
good morning everyone.My report is about a Motion Detection System Based on Improved LBP Operator.Automatic motion detection can reduce the human cost of video surveillance and improve efficiency [?'f??(?)ns?]，it is also the fundament of object extraction, tracking and recognition[rek?g'n??(?)n]. In this work, efforts ['ef?ts] were made to establish the background model which is resistance to the variation of illumination. And our video surveillance system was realized on a FPGA based platform.PPT(2)目前，常用的运动目标检测算法有背景差分法、帧间差分法等。
帧间差分法的基本原理是将相邻两帧图像的对应像素点的灰度值进行减法运算，若得到的差值的绝对值大于阈值，则将该点判定为运动点。
但是帧间差分检测的结果往往是运动物体的轮廓，无法获得目标的完整形态。
Currently, Optic Flow, Background Subtraction and Inter-frame difference are regard as the three mainstream algorithms to detect moving object.Inter-frame difference based method need not model ['m?dl] the background. It detects moving objects based on the frame difference between two continuous frames. The method is easy to be implemented and can realize real-time detection, but it cannot extract the full shape of the moving objects [6].PPT(3)在摄像头固定的情况下，背景差分法较为简单，且易于实现。