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c++ Programming Glossary: scaling

Algorithm improvement for Coca-Cola can shape recognition

http://stackoverflow.com/questions/10168686/algorithm-improvement-for-coca-cola-can-shape-recognition

case here . It is resistent to image deformations such as scaling and rotation as it will basically test your image for every.. the 30 test images obvisouly because I had a very high scaling factor for rotation and translation since some of the cans were.. to find a known object Both algorithms are invariant to scaling and rotation. Since they work with features you can also handle..

What is the most efficient way to display decoded video frames in Qt?

http://stackoverflow.com/questions/1242005/what-is-the-most-efficient-way-to-display-decoded-video-frames-in-qt

using the QGraphicsView. I am doing any required video scaling or colorspace conversions with libswscale so I would just like.. can call QPainter drawImage ... and it will perform the scaling to a specified rectangle for you using hardware if available... QPainter p this Set the painter to use a smooth scaling algorithm. p.SetRenderHint QPainter SmoothPixmapTransform 1..

Multithreaded Memory Allocators for C/C++

http://stackoverflow.com/questions/147298/multithreaded-memory-allocators-for-c-c

and both achieve roughly linear performance scaling with respect to the number of threads CPUs according to the..

Image scaling and rotating in C/C++

http://stackoverflow.com/questions/299267/image-scaling-and-rotating-in-c-c

scaling and rotating in C C What is the best way to scale a 2D image.. What would be the best way to do this c c image image scaling share improve this question There is no simple way of acommplish.. question There is no simple way of acommplish that. Both scaling and rotating are not trivial procesis. Google it for a 2d imaging..

Creating a counter that stays synchronized across MPI processes

http://stackoverflow.com/questions/4948788/creating-a-counter-that-stays-synchronized-across-mpi-processes

is all done with passive one sided operations. The better scaling one just uses a tree rather than a 1 d array . So the use would.. a simple counter implementation corresponding to the non scaling version in the MPI 2 book with two simple tests one corresponding..

Calculating normals in a triangle mesh

http://stackoverflow.com/questions/6656358/calculating-normals-in-a-triangle-mesh

the normal. Now recall that you normalize by a vector ‘v by scaling it with it's recipocal length ‘v i ‘v ‘v . But as already told..

Square detection doesn't find squares

http://stackoverflow.com/questions/7731742/square-detection-doesnt-find-squares

namespace std void help cout nA program using pyramid scaling Canny contours contour simpification and n memory storage it's..

Image scaling (KeepAspectRatioByExpanding) through OpenGL

http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl

scaling KeepAspectRatioByExpanding through OpenGL I'm trying to implement.. through OpenGL I'm trying to implement image scaling in OpenGL using only glTexCoord2f and glVertex2f . Let me explain.. it to the gpu with glTexImage2D I have to perform image scaling operations based on Qt's specification . Qt defines these 3..

What can cause D3D11CreateDevice() to fail with E_FAIL?

http://stackoverflow.com/questions/10586956/what-can-cause-d3d11createdevice-to-fail-with-e-fail

System DPI System DPI Setting 96 DPI 100 percent DWM DPI Scaling Disabled DxDiag Version 6.01.7601.17514 64bit Unicode DxDiag..

glTexImage2D failing in GLUT/FreeType example with OpenGL 3 and above

http://stackoverflow.com/questions/11150983/glteximage2d-failing-in-glut-freetype-example-with-opengl-3-and-above

Fox Jumps Over The Lazy Dog 1 8.5 sx 1 100.5 sy sx sy Scaling the texture versus changing the font size render_text The Small..

What is the most efficient way to display decoded video frames in Qt?

http://stackoverflow.com/questions/1242005/what-is-the-most-efficient-way-to-display-decoded-video-frames-in-qt

gains come from two things No need for software scaling. Scaling is done on the video card if available Conversion from QImage..

Floating point comparison revisited

http://stackoverflow.com/questions/13940316/floating-point-comparison-revisited

This shows one of the shortcomings of œalmost equals Scaling changes the results. The code below prints 1 and 0. double x0..

Affine Transform, Simple Rotation and Scaling or something else entirely?

http://stackoverflow.com/questions/7800905/affine-transform-simple-rotation-and-scaling-or-something-else-entirely

Transform Simple Rotation and Scaling or something else entirely The scenario goes like this I have..

OpenCV Transform using Chessboard

http://stackoverflow.com/questions/7902895/opencv-transform-using-chessboard

on a set of cv Point Affine Transform Simple Rotation and Scaling or something else entirely Rotate cv Mat using cv warpAffine..