· + 0 1 1 2 2 0 1 1 3 4 2 0 /3 0 / 5 0 6 2 5 3 0 1 4 6 6 6 +2 1 6 0 1 1 7 0 254
臨界值法 (Thresholding) : g ( x, y ) 1 若 f ( x, y ) T 0 若 f ( x, y ) T 6 7 9 6 7 610 911...
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1. 膨脹 (dilation) : 形態學影像處理 + AB A B
Transcript of 臨界值法 (Thresholding) : g ( x, y ) 1 若 f ( x, y ) T 0 若 f ( x, y ) T 6 7 9 6 7 610 911...
(Thresholding) g ( x, y ) 1 f ( x, y ) > T 0 f ( x, y ) < T T=8 T= 1. (dilation) + AB A B 2. (erosion) AB A B 3. (open) AB= ( ) A B + B AB AB + B 4. (close) AB = ( ) A B + B AB + (AB) B The pinhole imaging model Pinhole perspective equation NOTE: z is always negative.. is the magnification. When the scene depth is small compared its distance from the Camera, m can be taken constant Weak-perspective projection Orthographic projection When the camera is at a (roughly constant) distance from the scene, take m=-1. Reflection and Refraction ( ) 1 where Real lenses Chromatic Aberration Distortion