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官方学习文档:
https://ww2.mathworks.cn/help/vision/ref/extracthogfeatures.html?s_tid=gn_loc_drop
https://ww2.mathworks.cn/help/vision/examples/digit-classification-using-hog-features.html (数字识别)
正好近期做行人识别的一个Demo,所以用最经典的HOG来试一下
img = imread('C:\Users\Desktop\test.png');
[featureVector,hogVisualization] = extractHOGFeatures(img);
figure;
imshow(img);
hold on;
plot(hogVisualization);
HOG特征检测图呢