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2014/10/15 ¤U¤È 10:14:28
iphone Programming Glossary: stdadjust corners and crop the image openCV http://stackoverflow.com/questions/13098073/adjust-corners-and-crop-the-image-opencv normalize so imwrite ... imshow ... shows the mask correctly normalize mask.clone mask 0.0 255.0 CV_MINMAX CV_8UC1 std vector cv Point biggestContour contours contours.size 1 NSLog @ d biggestContour 0 .x NSLog @ d biggestContour 0 .y cv Mat.. in the same order in both vectors cv getAffineTransform cv warpAffine I wrote myself a helper function which takes a std vector with four cv Point in it and sorts them in clockwise order beginning in the upper left. For more information on this.. free to edit paperWidth and paperHeight inside my code. Combining everything looks like this Helper cv Point getCenter std vector cv Point points cv Point center cv Point 0.0 0.0 for size_t i 0 i points.size i center.x points i .x center.y points..
http://stackoverflow.com/questions/13248680/ocr-using-opencv this method for convert in Gray void blackAndWhite cv Mat dst cv Mat src self cvMatFromUIImage iv.image if src.data std cout Usage . Histogram_Demo path_to_image std endl Convert to grayscale cvtColor src src CV_BGR2GRAY Apply Histogram Equalization.. cv Mat dst cv Mat src self cvMatFromUIImage iv.image if src.data std cout Usage . Histogram_Demo path_to_image std endl Convert to grayscale cvtColor src src CV_BGR2GRAY Apply Histogram Equalization equalizeHist src dst iv.image self UIImageFromCVMat..
Boundry detect paper sheet opencv http://stackoverflow.com/questions/13493035/boundry-detect-paper-sheet-opencv squares cv Mat img self debugSquares squares greyMat imageView.image self UIImageFromCVMat img cv Mat debugSquares std vector std vector cv Point squares cv Mat image NSLog @ lu squares.size blur will enhance edge detection Mat blurred image.. cv Mat img self debugSquares squares greyMat imageView.image self UIImageFromCVMat img cv Mat debugSquares std vector std vector cv Point squares cv Mat image NSLog @ lu squares.size blur will enhance edge detection Mat blurred image medianBlur..
How do I create a mutable array of CGImageRefs? http://stackoverflow.com/questions/1392321/how-do-i-create-a-mutable-array-of-cgimagerefs the image data may incur a performance penalty. If you feel comfortable with mixing C and Objective C you can use a std vector for storing the CGImageRef. Rename your source file from .m to .mm and try this #include vector ... CGImageRef i.. for storing the CGImageRef. Rename your source file from .m to .mm and try this #include vector ... CGImageRef i ... std vector CGImageRef images images.push_back i If you want to keep the vector as a member of a Objective C class you should.. as a member of a Objective C class you should allocate it on the heap not the stack Header file #include vector using std @interface YourInterface ... vector CGImageRef images and in the implementation file images new std vector CGImageRef images..
libraries to CAPTURE panorama in iOS 6 http://stackoverflow.com/questions/14062932/libraries-to-capture-panorama-in-ios-6 have them provide regions of interest rects indicating where photos overlap Stitcher stitch InputArray images const std vector std vector Rect rois OutputArray pano You can dig into the stitching pipeline to optimise many details of the process.. provide regions of interest rects indicating where photos overlap Stitcher stitch InputArray images const std vector std vector Rect rois OutputArray pano You can dig into the stitching pipeline to optimise many details of the process but this..
Cross-compile Autotools-based Libraries for Official iPhone SDK http://stackoverflow.com/questions/1602182/cross-compile-autotools-based-libraries-for-official-iphone-sdk as export ASCPP DEVROOT usr bin as export AR DEVROOT usr bin ar export RANLIB DEVROOT usr bin ranlib export CPPFLAGS std c99 arch armv6 pipe no cpp precomp sysroot ' SDKROOT' isystem SDKROOT usr include isystem DEVROOT usr include isystem opt.. isystem DEVROOT usr include isystem opt iphone SDKVER include isystem usr local iphone SDKVER include export CFLAGS std c99 arch armv6 pipe no cpp precomp sysroot ' SDKROOT' isystem SDKROOT usr include isystem DEVROOT usr include isystem opt.. isystem DEVROOT usr include isystem opt iphone SDKVER include isystem usr local iphone SDKVER include export CXXFLAGS std c99 arch armv6 pipe no cpp precomp sysroot ' SDKROOT' isystem SDKROOT usr include isystem DEVROOT usr include isystem opt..
App rejected: strange iPhone crash log http://stackoverflow.com/questions/7885682/app-rejected-strange-iphone-crash-log _objc_terminate 140 6 libc abi.dylib 0x31a1d3be _ZL19safe_handler_callerPFvvE 70 7 libc abi.dylib 0x31a1d44a std terminate 14 8 libc abi.dylib 0x31a1e81e __cxa_rethrow 82 9 libobjc.A.dylib 0x37f2722e objc_exception_rethrow 6 10 CoreFoundation..
http://stackoverflow.com/questions/8301649/xcode-4-clang-error fmessage length 0 fdiagnostics print source range info fdiagnostics show category id fdiagnostics parseable fixits std c99 Wno trigraphs fpascal strings O0 Wreturn type Wparentheses Wswitch Wno unused parameter Wunused variable Wunused value..
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