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c++ Programming Glossary: heightOpenCv 2.3 C - How to isolate object inside image http://stackoverflow.com/questions/10315551/opencv-2-3-c-how-to-isolate-object-inside-image the max if sum width 255 then is new max for i 0 i imgSrc height i cvGetRow imgSrc data i val cvSum data if val.val 0 maxVal.val.. ymax ymin printf BB d d d d n aux.x aux.y aux.width aux.height return aux So i use IplImage my_image cvLoad.... CvRect bb findBB.. IplImage new_image cvCreateImage cvSize bb.width bb.height my_image depth 1 cvShowImage test new_image it doesn't work..
Determine if two rectangles overlap each other? http://stackoverflow.com/questions/306316/determine-if-two-rectangles-overlap-each-other from the user to construct rectangles between 2 and 5 height width x pos y pos. All of these rectangles will exist parallel..
how to make screen screenshot with win32 in c++? http://stackoverflow.com/questions/3291167/how-to-make-screen-screenshot-with-win32-in-c SelectObject hMemoryDC hBitmap BitBlt hMemoryDC 0 0 width height hScreenDC 0 0 SRCCOPY hBitmap SelectObject hMemoryDC hOldBitmap..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame 0 gray_frame cvCreateImage cvSize frame width frame height frame depth 1 if gray_frame fprintf stderr cvCreateImage failed.. gray_frame cvCreateImage cvSize frame width frame height frame depth frame nChannels if gray_frame fprintf stderr cvCreateImage.. failed n return NULL for int i 0 i frame width frame height frame nChannels i frame nChannels gray_frame imageData i frame..
Inheritance or composition: Rely on “is-a” and “has-a”? http://stackoverflow.com/questions/453738/inheritance-or-composition-rely-on-is-a-and-has-a assumes that setting the width of a rectangle leaves the height unchanged. void g Rectangle r r.SetWidth 5 r.SetHeight 4 assert..
Simple object detection using OpenCV and machine learning http://stackoverflow.com/questions/6416117/simple-object-detection-using-opencv-and-machine-learning cvHoughCircles gray storage CV_HOUGH_GRADIENT 1 gray height 3 250 100 cvCvtColor canny rgbcanny CV_GRAY2BGR for size_t i..
Executing cv::warpPerspective for a fake deskewing on a set of cv::Point http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint .x box.boundingRect .y box.size.width x box.size.height std endl Does the order of the points matter I assume they do.. .width 1 dst_vertices 2 Point 0 box.boundingRect .height 1 dst_vertices 3 Point box.boundingRect .width 1 box.boundingRect.. 3 Point box.boundingRect .width 1 box.boundingRect .height 1 Mat warpMatrix getPerspectiveTransform src_vertices dst_vertices..
Audio output with video processing with opencv http://stackoverflow.com/questions/8187745/audio-output-with-video-processing-with-opencv img if screen screen SDL_SetVideoMode img width img height 0 0 if screen fprintf stderr SDL could not set video mode exiting.. void img imageData img width img height img depth img nChannels img widthStep 0xff0000 0x00ff00 0x0000ff.. ipl_frame frame for int i 0 i ipl_frame.width ipl_frame.height ipl_frame.nChannels i ipl_frame.nChannels ipl_frame.imageData..
Image scaling (KeepAspectRatioByExpanding) through OpenGL http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl 0 GL_LUMINANCE _frame width _frame height _frame height 2 0 GL_LUMINANCE GL_UNSIGNED_BYTE _frame bits.. 0 GL_LUMINANCE _frame width _frame height _frame height 2 0 GL_LUMINANCE GL_UNSIGNED_BYTE _frame bits assert glGetError.. 0.3 0.3 0.4 1.0 int img_width _frame width int img_height _frame height int offset_x 0 int offset_y 0 GLfloat gl_width..
Virtual functions and template clash http://stackoverflow.com/questions/10490245/virtual-functions-and-template-clash public meanAccumulator ~meanAccumulator double getHeight void addHeight double Height void setHeight double Height bool.. meanAccumulator ~meanAccumulator double getHeight void addHeight double Height void setHeight double Height bool isEmpty return.. ~meanAccumulator double getHeight void addHeight double Height void setHeight double Height bool isEmpty return heights_.empty..
Glew problems, unresolved externals http://stackoverflow.com/questions/11059971/glew-problems-unresolved-externals screen width values and store it screen_height p_height Height value glClear GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT Clear..
Displaying webcam feed in cv::Mat format in a picturebox http://stackoverflow.com/questions/12616529/displaying-webcam-feed-in-cvmat-format-in-a-picturebox System Drawing RectangleF rect 0 0 control Width control Height graphics DrawImage b rect This function can only draw 8 bit..
How do you pass a member function pointer? http://stackoverflow.com/questions/130322/how-do-you-pass-a-member-function-pointer hoverFilePath LPCWSTR pressedFilePath int Width int Height void object ButtonFunc BUTTON SetButton xPos yPos normalFilePath.. yPos normalFilePath hoverFilePath pressedFilePath Width Height this ButtonFunc ButtonFunc If anyone has any advice on how I.. hoverFilePath LPCWSTR pressedFilePath int Width int Height object ButtonObj void object ButtonFunc BUTTON SetButton xPos..
Directdraw: Rotate video stream http://stackoverflow.com/questions/2289637/directdraw-rotate-video-stream 2 You need to tell the media sample that the sample is now Height x Width instead of Width x Height. Bear in mind that the final.. that the sample is now Height x Width instead of Width x Height. Bear in mind that the final image will have exactly the same.. y calculate the position that way and then write it to y x Height . This will transpose the image. Of course without step2 this..
Again - parallax mapping issue in OpenGL, GLSL. It's not as usual as it seem to be http://stackoverflow.com/questions/4750707/again-parallax-mapping-issue-in-opengl-glsl-its-not-as-usual-as-it-seem-to with glVertexAttrib4f. Result is... EXACTLY THE SAME. Height map is loading correctly I tried to set it as a diffuse map.. GLfloat ratio glViewport 0 0 ResolutionWidth ResolutionHeight glMatrixMode GL_PROJECTION glLoadIdentity gluPerspective 45.0f.. gluPerspective 45.0f ResolutionWidth float ResolutionHeight 0.1f 900.0f glMatrixMode GL_MODELVIEW glLoadIdentity if GLEW_OK..
Convert Lat/Longs to X/Y Co-ordinates http://stackoverflow.com/questions/4953150/convert-lat-longs-to-x-y-co-ordinates openstreet map Osmarender Image . Image width 1018 and Height 916 I would like to be able to convert using C the Lat Long..
http://stackoverflow.com/questions/5564966/opencv-insufficient-memory capture CV_CAP_PROP_FRAME_COUNT printf Width d Height d FPS d Count d n frameH frameW fps numFrames cvNamedWindow..
http://stackoverflow.com/questions/8356058/opengl-window-isnt-opening functions.cpp #include main.h int CurrentWidth 800 CurrentHeight 600 WindowHandle 0 void Initialize int argc char argv InitWindow.. glutInitWindowSize CurrentWidth CurrentHeight glutInitDisplayMode GLUT_DEPTH GLUT_DOUBLE GLUT_RGBA WindowHandle.. RenderFunction void ResizeFunction int Width int Height CurrentWidth Width CurrentHeight Height glViewport 0 0 CurrentWidth..
http://stackoverflow.com/questions/2473799/gdi-double-buffering-in-c 0 0 bunny.GetWidth bunny.GetHeight BitBlt hdc 0 0 WIDTH HEIGHT hdcBuffer 0 0 SRCCOPY EndPaint hWnd ps The above works everything..
3D array C++ using int [] operator http://stackoverflow.com/questions/3904304/3d-array-c-using-int-operator be called as pointer to pointer double pointer . const int HEIGHT 20 const int WIDTH 20 int arr2D new int WIDTH create an array.. in 1D array. for int i 0 i WIDTH i arr2D i new int HEIGHT 3D Array This is what you want to do. Here you may try both..
Program is generating same random numbers on each run? http://stackoverflow.com/questions/7592129/program-is-generating-same-random-numbers-on-each-run std bool gameOver false int x y score 0 const int HEIGHT 10 const int WIDTH 10 unsigned int Time time 0 cout Welcome.. grid Box grid 10 10 for int i 0 i WIDTH i for int n 0 n HEIGHT n unsigned int value rand 100 1 cout value endl if value 38.. i n .setFill EMPTY for int r 0 r WIDTH r for int l 0 l HEIGHT l if grid r l .getFill EMPTY cout r l EMPTY. endl else if grid..
Algorithm for slicing planes (in place) out of an array of RGB values http://stackoverflow.com/questions/8465950/algorithm-for-slicing-planes-in-place-out-of-an-array-of-rgb-values ... Rn Gn Bn . So my data looks like char imageData WIDTH HEIGHT 3 But I want to pass a WIDTH HEIGHT array to an existing C library.. char imageData WIDTH HEIGHT 3 But I want to pass a WIDTH HEIGHT array to an existing C library that expects a single plane of.. 0 My original intent is to use a bit vector of size WIDTH HEIGHT which gives overhead of WIDTH HEIGHT 8. But it is always possible..
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