有谁知道OpenCV 2.3中FeatureDetection和DescriptorExtraction之间的区别？我知道后者是使用DescriptorMatcher进行匹配所必需的.如果是这种情况,FeatureDetection用于什么？
谢谢.
opencv image-processing feature-extraction computer-vision feature-detection
computer-vision ×1
feature-detection ×1
feature-extraction ×1
image-processing ×1
opencv ×1