Python比较两个图片的相似度
发布时间:2020-12-17 17:22:53 所属栏目:Python 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 #!/usr/bin/python# Filename: histsimilar.py# -*- coding: utf-8 -*- import Image def make_regalur_image(img,size = (256,256)): return img.res
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 #!/usr/bin/python # Filename: histsimilar.py # -*- coding: utf-8 -*- import Image def make_regalur_image(img,size = (256,256)): return img.resize(size).convert('RGB') def split_image(img,part_size = (64,64)): w,h = img.size pw,ph = part_size assert w % pw == h % ph == 0 return [img.crop((i,j,i+pw,j+ph)).copy() for i in xrange(0,w,pw) for j in xrange(0,h,ph)] def hist_similar(lh,rh): assert len(lh) == len(rh) return sum(1 - (0 if l == r else float(abs(l - r))/max(l,r)) for l,r in zip(lh,rh))/len(lh) def calc_similar(li,ri): # return hist_similar(li.histogram(),ri.histogram()) return sum(hist_similar(l.histogram(),r.histogram()) for l,r in zip(split_image(li),split_image(ri))) / 16.0 def calc_similar_by_path(lf,rf): li,ri = make_regalur_image(Image.open(lf)),make_regalur_image(Image.open(rf)) return calc_similar(li,ri) def make_doc_data(lf,make_regalur_image(Image.open(rf)) li.save(lf + '_regalur.png') ri.save(rf + '_regalur.png') fd = open('stat.csv','w') fd.write('n'.join(l + ',' + r for l,r in zip(map(str,li.histogram()),map(str,ri.histogram())))) # print >>fd,'n' # fd.write(','.join(map(str,ri.histogram()))) fd.close() import ImageDraw li = li.convert('RGB') draw = ImageDraw.Draw(li) for i in xrange(0,256,64): draw.line((0,i,i),fill = '#ff0000') draw.line((i,256),fill = '#ff0000') li.save(lf + '_lines.png') if __name__ == '__main__': path = r'testpic/TEST%d/%d.JPG' for i in xrange(1,7): print 'test_case_%d: %.3f%%'%(i, calc_similar_by_path('testpic/TEST%d/%d.JPG'%(i,1),'testpic/TEST%d/%d.JPG'%(i,2))*100) # make_doc_data('test/TEST4/1.JPG','test/TEST4/2.JPG') 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |