Merge pull request #117 from dzenanz/boxVis

Allow visualization of bounding boxes

Author: WuJunde

utils.py

@@ -951,7 +951,7 @@ def hook(layer):
 
     return hook
 
-def vis_image(imgs, pred_masks, gt_masks, save_path, reverse = False, points = None):
+def vis_image(imgs, pred_masks, gt_masks, save_path, reverse = False, points = None, boxes = None):
 
     b,c,h,w = pred_masks.size()
     dev = pred_masks.get_device()
@@ -997,6 +997,16 @@ def vis_image(imgs, pred_masks, gt_masks, save_path, reverse = False, points = N
                     gt_masks[i,0,p[i,0]-5:p[i,0]+5,p[i,1]-5:p[i,1]+5] = 0.5
                     gt_masks[i,1,p[i,0]-5:p[i,0]+5,p[i,1]-5:p[i,1]+5] = 0.1
                     gt_masks[i,2,p[i,0]-5:p[i,0]+5,p[i,1]-5:p[i,1]+5] = 0.4
+        if boxes is not None:
+            for i in range(b):
+                # the next line causes: ValueError: Tensor uint8 expected, got torch.float32
+                # imgs[i, :] = torchvision.utils.draw_bounding_boxes(imgs[i, :], boxes[i])
+                # until TorchVision 0.19 is released (paired with Pytorch 2.4), apply this workaround:
+                img255 = (imgs[i] * 255).byte()
+                img255 = torchvision.utils.draw_bounding_boxes(img255, boxes[i].reshape(-1, 4), colors="red")
+                img01 = img255 / 255
+                # torchvision.utils.save_image(img01, save_path + "_boxes.png")
+                imgs[i, :] = img01
         tup = (imgs[:row_num,:,:,:],pred_masks[:row_num,:,:,:], gt_masks[:row_num,:,:,:])
         # compose = torch.cat((imgs[:row_num,:,:,:],pred_disc[:row_num,:,:,:], pred_cup[:row_num,:,:,:], gt_disc[:row_num,:,:,:], gt_cup[:row_num,:,:,:]),0)
         compose = torch.cat(tup,0)