init

app.py

@@ -44,6 +44,11 @@ def inference(image):
         cv2.putText(img_out, msg, (20, 200), font, 1, (0, 255, 0), 2)
         return img_out
 
+    if code==200 and not lst2d_res:
+        img_out = np.zeros((500, 600,3),dtype=np.uint8)
+        cv2.putText(img_out, "no face detected", (20, 200), font, 1, (0, 255, 0), 2)
+        return img_out
+
     # img_out = np.zeros((500, 600, 3),dtype=np.uint8)
     # cv2.putText(img_out, "ease contact the server for trouble", (20, 100), font, 0.8, (0, 255, 0), 2)
     # return img_out
@@ -69,7 +74,7 @@ def inference(image):
     # ax.set_zlabel('Z')  # 设置z坐标轴
     ax.view_init(-90, -90)
     im_plot = plot3(fig)
-    del fig
+    plt.close()
     h, w, _ = im_plot.shape
     # image[:h, :w] = im_plot
     return im_plot