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。
资源截图
代码片段和文件信息
function modelConvert(model outname)
%% script for converting Piotr‘s matlab model into YAML format

outfile = fopen(outname ‘w‘);

fprintf(outfile ‘%%YAML:1.0

‘);

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

‘]);

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

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

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

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

fprintf(outfile ‘edgeBins:
‘);
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]
‘ 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]
‘ A(last + 1));
        end
    end
    fprintf(outfile ‘
‘);
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.githubISSUE_TEMPLATE.md
     文件         698  2020-07-17 04:08  opencv_contrib-4.4.0.githubPULL_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-4.4.0CONTRIBUTING.md
     文件        2234  2020-07-17 04:08  opencv_contrib-4.4.0LICENSE
     文件        3268  2020-07-17 04:08  opencv_contrib-4.4.0README.md
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorials
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialsioinspired
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialsioinspired
etina_model
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialsioinspired
etina_modelimages
     文件      150688  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialsioinspired
etina_modelimages
etina_TreeHdr_retina.jpg
     文件      166872  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialsioinspired
etina_modelimages
etina_TreeHdr_small.jpg
     文件       80282  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialsioinspired
etina_modelimagesstudentsSample_input.jpg
     文件       28228  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialsioinspired
etina_modelimagesstudentsSample_magno.jpg
     文件       69443  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialsioinspired
etina_modelimagesstudentsSample_parvo.jpg
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialsioinspired able_of_content_bioinspired
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialsioinspired able_of_content_bioinspiredimages
     文件       50051  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialsioinspired able_of_content_bioinspiredimages
etina_TreeHdr_small.jpg
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialscvv
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialscvv able_of_content_cvv
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialscvv able_of_content_cvvimages
     文件        2576  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialscvv able_of_content_cvvimagesVisual_Debugging_Introduction_Tutorial_Cover.jpg
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialscvvvisual_debugging_introduction
     目录           0  2020-07-21 21:27  opencv_contrib-4.4.0doc utorialscvvvisual_debugging_introductionimages
     文件       46273  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialscvvvisual_debugging_introductionimages1_overview_single.jpg
     文件       86790  2020-07-17 04:08  opencv_contrib-4.4.0doc utorialscvvvisual_debugging_introductionimages2_single_image_view.jpg
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