Image detection failed with yolo_tiny_coco about image HOT 4 CLOSED

Please share also the image to make this reproducible.

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You should look at the help of ?image_darknet_model for ready-made-models and the corresponding labels.

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For any image I tried. yolo_tiny_voc detected correctly in the 20 labels . The output of yolo_tiny_coco is always:
Boxes: 845 of which 0 above the threshold.
I tired about 20/25 images.
An example: https://www.google.it/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwiXhNrZh83VAhXD5xoKHZr_BTUQjRwIBw&url=http%3A%2F%2Feslamoda.com%2F25-divertidas-fotos-que-toda-chica-debe-tener-con-su-mejor-amiga&psig=AFQjCNG1DVRKs-xp_2Mmv6CLD8_PRbPEhA&ust=1502467992926158
yolo_tiny_voc detect 2 person.
yolo_tiny_coco detect 0 object.

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Please make your example reproducible and use the correct model configuration, trained weights and labels.
For pretrained labels, have a look at https://pjreddie.com/darknet/yolo

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