2 Image Extensi on/Truncation File Edit View Insert Tools window Options Help Transformed image Length Next Power of 2 Previous Power of 2 Desired Length Direction to extend eft Next Power of 2 Previous Power of 2 128 Desired Length 512 Direction to extend Both Extension Mode Nb. Colors Brightness Y+ Center On History
0 平移,旋转
平移，旋转
国正在播放 转至 点 击图片播放视频 e 三维的干移
三维的平移
PROBLEM SOLUTION f(x,y’) gx,y)
PROBLEM SOLUTION f(x’ , y’) g(x, y )
nterpolation methods: Nearest neighbour Bilinear Bicubic Nearest Neighbour(Zero order) Example: From which input pixel (1, 2, 3 or 4)would you get the gray level of the output pixel? f(x,y’) gx,y)
¬ Nearest neighbour ¬ Bilinear ¬ Bicubic,... Nearest Neighbour (Zero order): Example: From which input pixel (1, 2, 3 or 4) would you get the gray level of the output pixel? 1 2 3 4 1 Interpolation methods: f(x’ , y’) g(x, y )