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filename,width,height,class,xmin,ymin,xmax,ymax image001.jpg,640,480,person,0.1,0.2,0.5,0.8 image001.jpg,640,480,car,0.3,0.1,0.7,0.4 image002.jpg,800,600,dog,0.2,0.3,0.6,0.9