Merge pull request #185 from yashYRS/python3

Fixed minor changes, that resulted in code crash during runtime

Author: ankush-me

invert_font_size.py

@@ -21,7 +21,6 @@
 
 FS = FontState()
 #plt.figure()
-#plt.hold(True)
 for i in xrange(len(FS.fonts)):
 	print i
 	font = freetype.Font(FS.fonts[i], size=12)

poisson_reconstruct.py

@@ -212,7 +212,6 @@ def contiguous_regions(mask):
         with sns.axes_style("darkgrid"):
             plt.subplot(2,1,2)
             plt.plot(l_alpha,label='alpha')
-            plt.hold(True)
             plt.plot(l_poisson,label='poisson')
             plt.plot(l_actual,label='actual')
             plt.legend()
@@ -227,7 +226,6 @@ def contiguous_regions(mask):
         with sns.axes_style("white"):
             plt.subplot(2,1,1)
             plt.imshow(im_alpha[:,:,::-1].astype('uint8'))
-            plt.hold(True)
             plt.plot([0,im_alpha_L.shape[0]-1],[i,i],'r')
             plt.axis('image')
             plt.show()

synthgen.py

@@ -216,9 +216,9 @@ def get_text_placement_mask(xyz,mask,plane,pad=2,viz=False):
     REGION : DICT output of TextRegions.get_regions
     PAD : number of pixels to pad the placement-mask by
     """
-    _,contour,hier = cv2.findContours(mask.copy().astype('uint8'),
+    contour,hier = cv2.findContours(mask.copy().astype('uint8'),
                                     mode=cv2.RETR_CCOMP,
-                                    method=cv2.CHAIN_APPROX_SIMPLE)
+                                    method=cv2.CHAIN_APPROX_SIMPLE)[-2:]
     contour = [np.squeeze(c).astype('float') for c in contour]
     #plane = np.array([plane[1],plane[0],plane[2],plane[3]])
     H,W = mask.shape[:2]
@@ -280,7 +280,6 @@ def get_text_placement_mask(xyz,mask,plane,pad=2,viz=False):
         plt.imshow(mask)
         plt.subplot(1,2,2)
         plt.imshow(~place_mask)
-        plt.hold(True)
         for i in range(len(pts_fp_i32)):
             plt.scatter(pts_fp_i32[i][:,0],pts_fp_i32[i][:,1],
                         edgecolors='none',facecolor='g',alpha=0.5)
@@ -350,7 +349,6 @@ def viz_textbb(fignum,text_im, bb_list,alpha=1.0):
     plt.close(fignum)
     plt.figure(fignum)
     plt.imshow(text_im)
-    plt.hold(True)
     H,W = text_im.shape[:2]
     for i in range(len(bb_list)):
         bbs = bb_list[i]

visualize_results.py

@@ -24,7 +24,6 @@ def viz_textbb(text_im, charBB_list, wordBB, alpha=1.0):
     plt.close(1)
     plt.figure(1)
     plt.imshow(text_im)
-    plt.hold(True)
     H,W = text_im.shape[:2]
 
     # plot the character-BB: