Please download pretrained models from the following links and put them in folder with related datasets:
psanet50_ade20k_a8e884.caffemodel: a8e884
psanet101_ade20k_ab5e56.caffemodel: ab5e56
psanet50_voc2012_d5fc37.caffemodel: d5fc37
psanet101_voc2012_5d8c0f.caffemodel: 5d8c0f
psanet101_voc2012_3c6a69.caffemodel: 3c6a69
psanet50_cityscapes_25c06a.caffemodel: 25c06a
psanet101_cityscapes_3ac1bf.caffemodel: 3ac1bf
psanet101_cityscapes_1dfc91.caffemodel: 1dfc91