...关键词：sift特征；匹配点对；双目视觉；极线约束；阈值 [gap=633]keywords：sift feature descriptor; the matching point pair; binocular vision; extremely line constraint; threshold ..
Since the correspondingpairoffeaturepoints was difficult tobe extractedinfeaturepoints registration methods, animagemosaicmethodbased oninterestpointmatching was presented.