电子科线女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC Introduction ■Two properties ofimage intensii访 Discontinuity-to partition an image based on abrupt changes in intensity. Point Line /Edge Corner detection Similarity -partition an image into regions that are similar according to a set of predefined criteria. 。Thresholding Region growing /Splitting /Merging◼ Two properties of image intensity Introduction ◼ Discontinuity — to partition an image based on abrupt changes in intensity. ⚫ Point / Line / Edge / Corner detection ◼ Similarity — partition an image into regions that are similar according to a set of predefined criteria. ⚫ Thresholding ⚫ Region growing / Splitting / Merging