正交变换例子

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正交变换例子

图片大小256*256(每隔20个像素画同心圆,在圆上隔π/4取点)

半径

(像素)

角度 0 π/4 π/2 3π/4 π 5π/4 3π/2 7π/4 1

8.57E+05 9.37E+06 3.62E+06 1.06E+06 5.33E+05 1.73E+05 2.73E+05 4.25E+05 20

8.16E+03 6.60E+03 1.31E+04 1.43E+04 3.22E+04 2.29E+04 2.72E+04 5.19E+03 40

5.72E+03 1.69E+03 1.65E+04 4.02E+03 1.63E+04 9.96E+03 9.00E+03

6.27E+03 60

6.64E+03 4.14E+03 1.07E+04 2.57E+03 6.24E+03 2.58E+03 1.37E+04 4.25E+03 80 3.23E+03 5.54E+03 2.35E+03 3.55E+03 3.63E+03

7.54E+02 4.63E+03 1.93E+03 100 4.14E+03 2.57E+03

8.59E+03 1.85E+03 2.66E+03 2.41E+03 2.15E+03 1.56E+03 120 3.24E+03 3.05E+03 5.44E+03 3.38E+03 2.16E+03 2.47E+03 2.19E+03 3.86E+03

图片大小512*512(每隔20个像素画同心圆,在圆上隔π/4取点)

半径(像素)

角度

0 π/4 π/2 3π/4 π5π/4 3π/2 7π/4

1 3.43E+06 3.75E+07 1.45E+07 4.25E+06 2.13E+06 6.91E+05 1.09E+06 1.71E+06 20 2.97E+04 2.26E+04 5.09E+04 5.74E+04 1.27E+05 9.07E+04 1.03E+05 1.91E+04 40 2.37E+04 1.53E+04 3.94E+04 8.59E+03 1.86E+04 9.59E+03 4.86E+04 1.25E+04 60 2.37E+04 1.53E+04 3.94E+04 8.59E+03 1.86E+04 9.59E+03 4.86E+04 1.25E+04 80 1.04E+04 1.74E+04 1.07E+04 9.93E+03 1.10E+04 4.74E+03 1.49E+04 8.14E+03 100 1.65E+04 8.13E+03 3.03E+04 5.08E+03 5.54E+03 3.33E+03 1.03E+04 2.69E+03 120 6.40E+03 6.61E+03 1.12E+04 8.01E+03 8.45E+03 5.36E+03 4.19E+03 1.27E+04 140 3.51E+03 7.72E+03 2.41E+03 3.08E+03 8.90E+03 9.45E+03 1.73E+04 2.55E+03 160 3.36E+03 3.77E+03 1.77E+04 4.96E+03 1.22E+04 6.11E+03 1.11E+04 1.45E+03 180 1.85E+03 4.08E+03 1.08E+04 4.68E+03 2.78E+03 2.83E+03 1.65E+04 7.90E+03 200 3.75E+03 4.63E+03 1.56E+04 1.66E+03 3.06E+03 4.56E+03 8.27E+03 2.84E+03 220 8.96E+03 2.62E+03 6.61E+03 3.82E+03 7.78E+03 3.78E+03 6.36E+03 5.04E+03 240 5.76E+03 1.19E+03 5.81E+03 2.66E+03 4.06E+03 5.49E+0

2 1.05E+04 4.30E+03

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