clearer complete example

README.md

@@ -279,23 +279,29 @@ while True:
                     [425, 281, 576, 472, 0.56, 65]])
 
     ts = tracker.update(dets, im) # --> (x, y, x, y, id, conf, cls)
+
+    xyxys = ts[:, 0:4].astype('int') # float64 to int
+    ids = ts[:, 4].astype('int') # float64 to int
+    confs = ts[:, 5]
+    clss = ts[:, 6]
 
     # print bboxes with their associated id, cls and conf
     if ts.shape[0] != 0:
         color = (0, 0, 255)  # BGR
         thickness = 2
         fontscale = 0.5
-        for t in ts:
+        for xyxy, id, conf, cls in zip(xyxys, ids, confs, clss):
             im = cv2.rectangle(
                 im,
-                (int(t[0]), int(t[1])),
-                (int(t[2]), int(t[3])),
+                (xyxy[0], xyxy[1]),
+                (xyxy[2], xyxy[3]),
                 color,  
                 thickness
             )
             cv2.putText(
                 im,
-                f'id: {t[4]}, conf: {t[5]}, c: {t[6]}', (int(t[0]), int(t[1]-10)),
+                f'id: {id}, conf: {conf}, c: {cls}',
+                (xyxy[0], xyxy[1]-10),
                 cv2.FONT_HERSHEY_SIMPLEX,
                 fontscale,
                 color,