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  1. GD2.h:329:27: error: 'prog_uchar' does not name a type

    Aug 15, 2014 · THX for the answer, but it sdosen't solve the problem. I tried the lib with the version 1.0.5 and it doesen't work too on Linux. On Win 8.1 this lib works with the ver 1.0.5. I'm confused while …

  2. c++ convert uchar * to opencv mat - OpenCV Q&A Forum

    Feb 22, 2015 · I now want to convert the uchar* back to Mat object. I tried using the Mat clone function but I don't really understand all the parameters for the default Mat constructor.

  3. Error when compiling: 'prog_uchar' does not name a type

    Aug 4, 2015 · Error when compiling: 'prog_uchar' does not name a type ProjectsProgramming Benex August 4, 2015, 11:00pm 1

  4. how to convert cv::Mat::data into a std::vector - OpenCV Q&A Forum

    Mar 23, 2018 · Hello I've been struggling with this problem for a few days. I have a jpeg image stored in a cv::Mat object it was created thusly: jpg = cv::Mat (h, w, CV_8UC3, (uint8_t *) image.GetBuffer ()); I …

  5. convert cv::Mat to vector<vector<uchar>> img; - OpenCV Q&A Forum

    Jan 8, 2020 · If your goal is speed, you shouldn't be making a copy. Nor should you be using non-contiguous allocations like a vector of vectors. Instead, invert this problem. Create a storage vector …

  6. Convert DLL IntPtr to byte [] to bitmap - OpenCV Q&A Forum

    Feb 23, 2015 · Just by the way; I firstly started by assigning the pointer to uchar (in C++) with a simple text and displayed it C# by Marshaling returned IntPtr (from dll) to PtrToStringAnsi and it worked.

  7. How to convert String to unsigned char? - Arduino Forum

    Jul 10, 2013 · cipto: thank you very much for all, especially for psppb. its solved. I haven't tested the code fragment that psppb suggested, but it doesn't look as if it would compile, or accurately copy the …

  8. How to convert unsigned int to unsigned char* in C++ - OpenCV Q&A …

    May 30, 2015 · const uchar* ptr = (const uchar*) (edgeImage.step + row * edgeImage.step); Definition of uchar: typedef unsigned char uchar; Definition of step function: struct CV_EXPORTS MStep { MStep …

  9. 'prog_uchar' does not name a type error when programming text …

    Dec 22, 2016 · When I click "copy this error" Is shown in attached word document

  10. Solved: UChar in C++ | Experts Exchange

    Jan 22, 2001 · Find answers to UChar in C++ from the expert community at Experts Exchange