lec5

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Image formats and noise
•See notes: Shu, Roth COMP 4900 slides lect6_filter1.pdf
Gaussian smoothing
•See notes: Shu, Roth COMP 4900 slides lect6_filter2.pdf

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edge

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See notes on edge detection:

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Shu,Roth COMP 4900 slides lect6_filter1.pdf and lect8_feature2.pdf

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lec6_filter1.pdf(Filtering (II)COMP 4900DWinter 2006)

Salt-and-Pepper Noise Removal by Median-type Noise Detectors and Edge-preserving Regularization Raymond H. Chan, Chung-Wa Ho, and Mila Nikolova IEEE Transactions on Image Processing, 14 (2005), 1479-1485.

 

lect8_feature2.pdf(Image Features (II)COMP 4900DWinter 2006)

Main idea:
• Compute derivatives in x and y directions
• Find gradient magnitude
• Threshold gradient magnitud

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Derivation of corner matrix for Harris/KLT corners Roth, Shu COMP 4900slides lect9_corner.pdf

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lect9_corner.pdf(Corner DetectionCOMP 4900DWinter 2006)

Harris Detector

C.Harris, M.Stephens. “A Combined Corner and Edge Detector”. 1988

 

 

 

 

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转载于:https://www.cnblogs.com/CVGNAY/p/3462910.html