图片倾斜（垂直）
................\help
................\....\.vs
................\....\...\help
................\....\...\....\v14
................\....\...\....\...\.suo
................\....\Debug
................\....\.....\help.exe
................\....\.....\help.ilk
................\....\.....\help.pdb
................\....\help
................\....\help.sdf
................\....\help.sln
................\....\....\b.bmp
................\....\....\Debug
................\....\....\.....\help.log
................\....\....\.....\help.tlog
................\....\....\.....\.........\CL.read.1.tlog
................\....\....\.....\.........\CL.write.1.tlog
................\....\....\.....\.........\help.lastbuildstate
................\....\....\.....\.........\link.read.1.tlog
................\....\....\.....\.........\link.write.1.tlog
................\....\....\.....\main.obj
................\....\....\.....\vc140.idb
................\....\....\.....\vc140.pdb
................\....\....\help.vcxproj
................\....\....\help.vcxproj.filters
................\....\....\main.cpp
................\....\....\x64
................\....\....\...\Debug
................\....\....\...\.....\help.log
................\....\....\...\.....\help.tlog
................\....\....\...\.....\.........\CL.read.1.tlog
................\....\....\...\.....\.........\CL.write.1.tlog
................\....\....\...\.....\.........\help.lastbuildstate
................\....\....\...\.....\.........\unsuccessfulbuild
................\....\....\...\.....\vc140.idb
................\....\....\...\.....\vc140.pdb
................\....\opencv300.props
................\....\x64
................\....\...\Debug