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  • 特征识别的物体怎么给他框出来(矩形的物体想得到他的长宽高



    • 特征识别的物体怎么给他框出来(矩形的物体想得到他的长宽高)😂

      # Edge Impulse - OpenMV Object Detection Example
      
      import sensor, image, time, os, tf, math, uos, gc
      
      sensor.reset()                         # Reset and initialize the sensor.
      sensor.set_pixformat(sensor.RGB565)    # Set pixel format to RGB565 (or GRAYSCALE)
      sensor.set_framesize(sensor.QVGA)      # Set frame size to QVGA (320x240)
      sensor.set_windowing((240, 240))       # Set 240x240 window.
      sensor.skip_frames(time=2000)          # Let the camera adjust.
      
      net = None
      labels = None
      min_confidence = 0.5
      
      try:
          # load the model, alloc the model file on the heap if we have at least 64K free after loading
          net = tf.load("trained.tflite", load_to_fb=uos.stat('trained.tflite')[6] > (gc.mem_free() - (64*1024)))
      except Exception as e:
          raise Exception('Failed to load "trained.tflite", did you copy the .tflite and labels.txt file onto the mass-storage device? (' + str(e) + ')')
      
      try:
          labels = [line.rstrip('\n') for line in open("labels.txt")]
      except Exception as e:
          raise Exception('Failed to load "labels.txt", did you copy the .tflite and labels.txt file onto the mass-storage device? (' + str(e) + ')')
      
      colors = [ # Add more colors if you are detecting more than 7 types of classes at once.
          (255,   0,   0),
          (  0, 255,   0),
          (255, 255,   0),
          (  0,   0, 255),
          (255,   0, 255),
          (  0, 255, 255),
          (255, 255, 255),
      ]
      
      clock = time.clock()
      while(True):
          clock.tick()
      
          img = sensor.snapshot()
      
          # detect() returns all objects found in the image (splitted out per class already)
          # we skip class index 0, as that is the background, and then draw circles of the center
          # of our objects
      
          for i, detection_list in enumerate(net.detect(img, thresholds=[(math.ceil(min_confidence * 255), 255)])):
              if (i == 0): continue # background class
              if (len(detection_list) == 0): continue # no detections for this class?
      
              print("********** %s **********" % labels[i])
              for d in detection_list:
                  [x, y, w, h] = d.rect()
                  center_x = math.floor(x + (w / 2))
                  center_y = math.floor(y + (h / 2))
                  print('x %d\ty %d' % (center_x, center_y))
                  img.draw_circle((center_x, center_y, 12), color=colors[i], thickness=2)
      
          print(clock.fps(), "fps", end="\n\n")
      
      


    • 我看你用的是FOMO模型,目标点检测,这个算法只能得到中心点,不能得到宽高。



    • @kidswong999 那有没有一种方法可以识别并且将这个不是很规范的矩形物体框起来呢,着急求解