Description: In o rder to effectively solve the pro blem of decreasing com putation in the process of using H ough T ransform (w r ) to extract
str aigh t line ．an im p ro v ed H T algo ri th m m etho d is p res en ted b ased O n-th e loc al ch aracteri stics o f the straig h t lin e ．A cc ord ing to F ree m a n
C ri te ria ，th e im p rov ed m eth o d an a lyzes e lem en tary line seg m e n ts s tru ctu re o f th e stra ig h t lin e ，an d d efine s th e sco p e of t3o lar an g le o f th e
points on elem entary line segm ents by com putin g the tilt ang le of the straight line d eterm ined by the tw o adjacent an d cong eneri c elem en —
tary sin e seg m en ts ，an d th en d ec rea se s th e c om p uting tim es o f ev ery po in t ．P o in ting to th e im a g e co n tain ing n o ise ，th e tes ting da ta sh o w s
th a t v elo c ity o f th e im p ro v ed a lg o rithm is 6- 7 tim es as fas t aS th e stan d ~ d o n e ，w h ile th e prec ision is k e p t．
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jiancezhixian
.............\Debug
.............\ipch
.............\....\jiancezhixian-171963c0
.............\....\......................\jiancezhixian-da3963b1.ipch
.............\jiancezhixian
.............\.............\123.jpg
.............\.............\Debug
.............\.............\.....\CL.read.1.tlog
.............\.............\.....\CL.write.1.tlog
.............\.............\.....\jiancezhixian.lastbuildstate
.............\.............\.....\jiancezhixian.log
.............\.............\.....\jiancezhixian.unsuccessfulbuild
.............\.............\.....\jiancezhixian.vcxprojResolveAssemblyReference.cache
.............\.............\.....\jiancezhixian.write.1.tlog
.............\.............\.....\vc100.idb
.............\.............\.....\vc100.pdb
.............\.............\harris.jpg
.............\.............\jiance.cpp
.............\.............\jiancezhixian.vcxproj
.............\.............\jiancezhixian.vcxproj.filters
.............\.............\jiancezhixian.vcxproj.user
.............\jiancezhixian.sdf
.............\jiancezhixian.sln
.............\jiancezhixian.suo
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