detecting hyperbolic regions in an image matlab -


i have grey scale images shown (it scanned profile of actual construction bridge). identify or detect hyperbolic variations or regions in (and preferably separate them in form of boxes shown in image). have tried canny edge detector, texture segmentation , other methods, not reliable ..i.e., don't have high degree of accuracy. problems associated are: a) hyperbolic variations close..so have stretch image , adjust contrast. b) region contrast light or heavily distorted.. still wanna detect them.. please suggest suitable method or code identify it.. have attached sample images.. sample image ;result needed - sample;..thank suggestions..


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