Abstract—While image alignment has been studied in different areas of computer vision for decades, aligning images depicting different scenes remains a challenging problem. Analogous to optical flow where an image is aligned to its temporally adjace
siftflow数据集，里面有2688张图像，其类别信息如下：Semantic and geometric segmentation classes for scenes. Semantic: 0 is void and 1–33 are classes. 01 awning 02 balcony 03 bird 04 boat ...
