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Feature Detection and Recognition

Detect and extract features

Local features and their descriptors are the building blocks of many computer vision algorithms. Their applications include image registration, object detection and classification, tracking, and motion estimation.

Blocks

Corner DetectionCalculate corner metric matrix and find corners in images
Edge DetectionFind edges of objects in images using Sobel, Prewitt, Roberts, or Canny method
Trace BoundaryTrace object boundaries in binary images
Template MatchingLocate a template in an image
Estimate Geometric TransformationEstimate geometric transformation from matching point pairs
Find Local MaximaFind local maxima in matrices
Template MatchingLocate a template in an image
WarpApply projective or affine transformation to an image
ResizeEnlarge or shrink image sizes
RotateRotate image by specified angle
ShearShift rows or columns of image by linearly varying offset
TranslateTranslate image in 2-D plane using displacement vector