Ejemplo n.º 1
0
  def inference(self, sess, data, multi_crop=False):
    if multi_crop:
      raw_data = data
      (crops, flip_crops), idxs, sizes = net.multi_crop(data, size=0.75)
      data = np.concatenate( crops + flip_crops, axis=0 )
      # print(raw_data.shape, data.shape)
    else:
      idxs = sizes = None

    pred, score, W, F = sess.run([self.pred_op, self.score_op, self.W, self.F], feed_dict={
      self.inputs: data,
      self.is_training: False
    })

    if multi_crop:
      # print(score.shape)
      num_n, num_classes = score.shape[0]/10, score.shape[1]
      shape = (10, num_n, num_classes)
      score = score.reshape(shape)
      score = np.mean(score, axis=0)

      pred = np.argmax(score, axis=1)


    return pred, score, W, F, idxs, sizes
Ejemplo n.º 2
0
def multi_crop_test():
    from scipy import misc
    import matplotlib.pyplot as plt
    from net_utils import multi_crop
    import numpy as np

    img = misc.imread('../temp/images.png', mode='RGB')

    crops, mask, flip_res, flip_mask = multi_crop(np.expand_dims(img, axis=0),
                                                  size=0.7)

    # [top_left, top_right, bottom_left, bottom_right, center]
    f, ((ax1, ax2), (ax3, ax4), (ax5, ax6), (ax7, ax8)) = plt.subplots(4, 2)

    ### ax1: raw image
    ax1.imshow(img[:, ::-1, :])
    ax1.set_title('Raw')

    ## ax2: top_left
    ax2.imshow(crops[0][0])
    ax2.set_title('Top Left')

    ## ax3: top_right
    ax3.imshow(crops[1][0])
    ax3.set_title('Top Right')

    ## ax4: bottom_left
    ax4.imshow(crops[2][0])
    ax4.set_title('Bottom Left')

    ## ax5: bottom_right
    ax5.imshow(crops[3][0])
    ax5.set_title('Bottom Right')

    ## ax6: center
    ax6.imshow(crops[4][0])
    ax6.set_title('Center')

    # ## ax7: mask
    # ax7.imshow(mask[0]*20, cmap=plt.cm.jet)
    # ax7.set_title('Mask')

    # ## ax8
    # ax8.imshow(img)
    # ax8.set_title('Raw')

    plt.tight_layout()
    plt.show()