这是词袋模型2的测试程序，从外国的一个网站找到的，用于测试surf生成词袋文件
资源文件列表
DBoW2-master/CMakeLists.txt , 3500
DBoW2-master/LICENSE.txt , 2159
DBoW2-master/README.md , 4707
DBoW2-master/demo/demo.cpp , 5607
DBoW2-master/demo/images/image0.png , 137276
DBoW2-master/demo/images/image1.png , 139537
DBoW2-master/demo/images/image2.png , 134510
DBoW2-master/demo/images/image3.png , 137032
DBoW2-master/include/DBoW2/BowVector.h , 1885
DBoW2-master/include/DBoW2/DBoW2.h , 2513
DBoW2-master/include/DBoW2/FBrief.h , 1605
DBoW2-master/include/DBoW2/FClass.h , 1642
DBoW2-master/include/DBoW2/FORB.h , 2160
DBoW2-master/include/DBoW2/FSurf64.h , 1908
DBoW2-master/include/DBoW2/FeatureVector.h , 1080
DBoW2-master/include/DBoW2/QueryResults.h , 4142
DBoW2-master/include/DBoW2/ScoringObject.h , 2449
DBoW2-master/include/DBoW2/TemplatedDatabase.h , 36618
DBoW2-master/include/DBoW2/TemplatedVocabulary.h , 39575
DBoW2-master/src/BowVector.cpp , 2752
DBoW2-master/src/DBoW2.cmake.in , 292
DBoW2-master/src/FBrief.cpp , 2412
DBoW2-master/src/FORB.cpp , 6249
DBoW2-master/src/FSurf64.cpp , 2657
DBoW2-master/src/FeatureVector.cpp , 1831
DBoW2-master/src/QueryResults.cpp , 1384
DBoW2-master/src/ScoringObject.cpp , 7890