opencv_contrib-4.4.0.zip

opencv_contrib扩展模块中，例如人脸识别、生物视觉、特征点提取等众多非常强大的功能。扩展模块是对基础功能的补充，由于某些算法具有专利保护，无法放在基础模块中，而这部分算法却是学习图像处理常用的算法，例如，大名鼎鼎的有专利保护的SIFT特征点提取算法就在这个扩展模块中，虽然有专利，但是使用OpenCV的开发者依然可以免费用于非商业用途。

function modelConvert（model outname）
%% script for converting Piotr‘s matlab model into YAML format

outfile = fopen（outname ‘w‘）;

fprintf（outfile ‘%%YAML:1.0\n\n‘）;

fprintf（outfile [‘options:\n‘...
                  ‘    numberOfTrees: 8\n‘...
                  ‘    numberOfTreesToEvaluate: 4\n‘...
                  ‘    selfsimilarityGridSize: 5\n‘...
                  ‘    stride: 2\n‘...
                  ‘    shrinkNumber: 2\n‘...
                  ‘    patchSize: 32\n‘...
                  ‘    patchInnerSize: 16\n‘...
                  ‘    numberOfGradientOrientations: 4\n‘...
                  ‘    gradientSmoothingRadius: 0\n‘...
                  ‘    regFeatureSmoothingRadius: 2\n‘...
                  ‘    ssFeatureSmoothingRadius: 8\n‘...
                  ‘    gradientNormalizationRadius: 4\n\n‘]）;

fprintf（outfile ‘childs:\n‘）;
printToYML（outfile model.child‘ 0）;

fprintf（outfile ‘featureIds:\n‘）;
printToYML（outfile model.fids‘ 0）;

fprintf（outfile ‘thresholds:\n‘）;
printToYML（outfile model.thrs‘ 0）;

N = 1000;
fprintf（outfile ‘edgeBoundaries:\n‘）;
printToYML（outfile model.eBnds N）;

fprintf（outfile ‘edgeBins:\n‘）;
printToYML（outfile model.eBins N）;

fclose（outfile）;
gzip（outname）;

end

function printToYML（outfile A N）
%% append matrix A to outfile as
%%    - [a11 a12 a13 a14 ... a1n]
%%    - [a21 a22 a23 a24 ... a2n]
%%    ...
%%
%% if size（A 2） == 1 A is printed by N elemnent per row

    if （length（size（A）） ~= 2）
        error（‘printToYML: second-argument matrix should have two dimensions‘）;
    end

    if （size（A2） ~= 1）
        for i=1:size（A1）
            fprintf（outfile ‘    - [‘）;
            fprintf（outfile ‘%d‘ A（i 1:end-1））;
            fprintf（outfile ‘%d]\n‘ A（i end））;
        end
    else
        len = length（A）;
        for i=1:ceil（len/N）
            first = （i-1）*N + 1;
             last = min（i*N len） - 1;

            fprintf（outfile ‘    - [‘）;
            fprintf（outfile ‘%d‘ A（first:last））;
            fprintf（outfile ‘%d]\n‘ A（last + 1））;
        end
    end
    fprintf（outfile ‘\n‘）;
end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\
     文件          73  2020-07-17 04:08  opencv_contrib-4.4.0\.gitattributes
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\.github\
     文件        2500  2020-07-17 04:08  opencv_contrib-4.4.0\.github\ISSUE_TEMPLATE.md
     文件         698  2020-07-17 04:08  opencv_contrib-4.4.0\.github\PULL_REQUEST_TEMPLATE.md
     文件          90  2020-07-17 04:08  opencv_contrib-4.4.0\.gitignore
     文件         399  2020-07-17 04:08  opencv_contrib-4.4.0\.travis.yml
     文件         191  2020-07-17 04:08  opencv_contrib-4.4.0\CONTRIBUTING.md
     文件        2234  2020-07-17 04:08  opencv_contrib-4.4.0\LICENSE
     文件        3268  2020-07-17 04:08  opencv_contrib-4.4.0\README.md
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\bioinspired\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\bioinspired\retina_model\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\bioinspired\retina_model\images\
     文件      150688  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\bioinspired\retina_model\images\retina_TreeHdr_retina.jpg
     文件      166872  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\bioinspired\retina_model\images\retina_TreeHdr_small.jpg
     文件       80282  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\bioinspired\retina_model\images\studentsSample_input.jpg
     文件       28228  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\bioinspired\retina_model\images\studentsSample_magno.jpg
     文件       69443  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\bioinspired\retina_model\images\studentsSample_parvo.jpg
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\bioinspired\table_of_content_bioinspired\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\bioinspired\table_of_content_bioinspired\images\
     文件       50051  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\bioinspired\table_of_content_bioinspired\images\retina_TreeHdr_small.jpg
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\cvv\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\cvv\table_of_content_cvv\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\cvv\table_of_content_cvv\images\
     文件        2576  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\cvv\table_of_content_cvv\images\Visual_Debugging_Introduction_Tutorial_Cover.jpg
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\cvv\visual_debugging_introduction\
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0\doc\tutorials\cvv\visual_debugging_introduction\images\
     文件       46273  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\cvv\visual_debugging_introduction\images\01_overview_single.jpg
     文件       86790  2020-07-17 04:08  opencv_contrib-4.4.0\doc\tutorials\cvv\visual_debugging_introduction\images\02_single_image_view.jpg
............此处省略3359个文件信息