How to avoid memory fragment when creating cv::Mat?
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1
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46
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March 12, 2024
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Is there a library data type that can handle both UMat and Mat conversions
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0
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127
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January 13, 2024
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Why does use local variable in Mat::resize()?
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4
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154
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January 2, 2024
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Use NVIDIA GeForce RTX 3070 run opencl version of cv::dft error
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0
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127
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November 14, 2023
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How to initialize cv::UMat by using data pointer?
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4
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268
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November 8, 2023
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Passing a nullptr to data in the Mat Constructor
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2
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239
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September 12, 2023
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Assessment of the difficulty in porting CPU architecture for openCV
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1
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241
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September 6, 2023
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Use universal SIMD intrinsics in my application and set AVX2 or AVX512
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2
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599
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June 17, 2023
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OpenCV compilation Question
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13
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358
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June 15, 2023
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Slicing operation help
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6
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808
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June 7, 2023
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Bug regarding Matrix return
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2
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200
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May 31, 2023
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Why use R2C of DFT will reduce the width of Mat
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6
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386
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May 26, 2023
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Why DFT_REAL_OUTPUT is different from the real part of complex result
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4
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297
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May 24, 2023
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Exposing CV_MAKETYPE(depth, cn) and CV_8UC(n), CV_8SC(n) etc. to python binding
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2
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282
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May 16, 2023
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Problem with pointer arithmetic for a filtering algorithm
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7
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299
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May 12, 2023
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After processing the semantic segmentation results of Deeplabv3 using Argmax, the results were incorrect. Please help me take a look
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7
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425
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May 11, 2023
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Problem with using cv::utils::fs;
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6
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345
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May 5, 2023
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Make error : fatal error: va/va.h: No such file or directory
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0
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557
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April 27, 2023
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Mat CV_32SC1 matrix addition has wrong results with OpenCV 4.7 on Mac M1 Pro
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1
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433
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April 16, 2023
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What's the middle dimension for the result of findCountours?
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6
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323
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April 15, 2023
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Values of cv.mean()
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11
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691
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April 12, 2023
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Why does __null, 0, 0.0 work but (void *)0,nullptr dont work when assignment overload is used
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1
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396
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March 14, 2023
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Opencv causes debug-enabled python interpreter to abort with a refcount error
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1
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645
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March 10, 2023
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getPerspectiveTransform fails at 1 input point
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2
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343
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March 10, 2023
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Can't extract elements from a Mat object into an int array (C++)
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2
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560
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March 6, 2023
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Question about the operator overriding for operator+=(Mat a, Mat b): does it ever exist?
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0
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209
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March 2, 2023
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Binary image creation
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5
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610
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February 23, 2023
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Compiling core files with the project without installing opencv!
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9
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1029
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February 17, 2023
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No suitable user-defined conversion from "cv::Matx<double, 2, 1>" to "cv::Vec2d" exists
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2
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261
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January 9, 2023
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cv::Mat set raw data
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3
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485
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January 2, 2023
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