sift角点提取代码（可运行带注释）

[{"title":"（ 12 个子文件 121KB ） sift角点提取代码（可运行带注释）","children":[{"title":"do_extrefine.m <span style='color:#111;'> 3.57KB </span>","children":null,"spread":false},{"title":"do_orientation.m <span style='color:#111;'> 1.71KB </span>","children":null,"spread":false},{"title":"smooth.m <span style='color:#111;'> 214B </span>","children":null,"spread":false},{"title":"do_extrefine.asv <span style='color:#111;'> 3.49KB </span>","children":null,"spread":false},{"title":"do_diffofg.m <span style='color:#111;'> 379B </span>","children":null,"spread":false},{"title":"do_localmax.m <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"do_gaussian.m <span style='color:#111;'> 2.96KB </span>","children":null,"spread":false},{"title":"ghi.jpg <span style='color:#111;'> 20.12KB </span>","children":null,"spread":false},{"title":"do_descriptor.m <span style='color:#111;'> 4.06KB </span>","children":null,"spread":false},{"title":"do_sift.m <span style='color:#111;'> 2.41KB </span>","children":null,"spread":false},{"title":"片段.shs <span style='color:#111;'> 822.50KB </span>","children":null,"spread":false},{"title":"tsxt2.m <span style='color:#111;'> 1.62KB </span>","children":null,"spread":false}],"spread":true}]