def predict(self, img_file, out_dir=None):
        #
        # img_data
        img = Image.open(img_file)
        img_data = np.array(img, dtype=np.float32) / 255
        # height, width, channel
        #
        img_data = [img_data[:, :, 0:3]]  # rgba
        img_size = img.size  # (width, height)
        w_arr = np.array([img_size[0]], dtype=np.int32)
        #
        with self.graph.as_default():
            #
            feed_dict = {self.x: img_data, self.w: w_arr}
            #
            r_cls, r_ver, r_hor = self.sess.run(
                [self.rnn_cls, self.rnn_ver, self.rnn_hor], feed_dict)
            #
            # trans
            text_bbox, conf_bbox = model_data.trans_results(r_cls, r_ver, r_hor, \
                                                            meta.anchor_heights, meta.threshold)
            #
            conn_bbox = model_data.do_nms_and_connection(text_bbox, conf_bbox)
            #
            if out_dir == None: return conn_bbox, text_bbox, conf_bbox
            #

            #
            # predication_result save-path
            if not os.path.exists(out_dir): os.mkdir(out_dir)
            #
            filename = os.path.basename(img_file)
            #
            # image
            #
            file_target = os.path.join(out_dir, 'predicted_' + filename)
            img_target = Image.fromarray(np.uint8(img_data[0] *
                                                  255))  #.convert('RGB')
            img_target.save(file_target)
            model_data.draw_text_boxes(file_target, text_bbox)
            #
            file_target = os.path.join(out_dir, 'connected_' + filename)
            img_target = Image.fromarray(np.uint8(img_data[0] *
                                                  255))  #.convert('RGB')
            img_target.save(file_target)
            model_data.draw_text_boxes(file_target, conn_bbox)
            #
            return conn_bbox, text_bbox, conf_bbox
示例#2
0
 def validate(self, data_valid, step):
     #
     # valid_result save-path
     if not os.path.exists(meta.dir_results_valid): os.mkdir(meta.dir_results_valid)
     #
     self.create_graph_all(training = False)
     #
     with self.graph.as_default():
         #
         saver = tf.train.Saver()
         with tf.Session(config = self.sess_config) as sess:                
             #
             tf.global_variables_initializer().run()
             #sess.run(tf.assign(self.is_train, tf.constant(False, dtype=tf.bool)))
             #
             # restore with saved data
             ckpt = tf.train.get_checkpoint_state(meta.model_detect_dir)
             #
             if ckpt and ckpt.model_checkpoint_path:
                 saver.restore(sess, ckpt.model_checkpoint_path)
             #
             # pb
             constant_graph = graph_util.convert_variables_to_constants(sess, sess.graph_def, output_node_names = \
                                                                        ['rnn_cls','rnn_ver','rnn_hor'])
             with tf.gfile.FastGFile(self.pb_file, mode='wb') as f:
                 f.write(constant_graph.SerializeToString())
             #                
             # test
             NumImages = len(data_valid)
             curr = 0
             for img_file in data_valid:
                 #
                 print(img_file)
                 #
                 txt_file = model_data.get_target_txt_file(img_file)
                 #
                 # input data
                 img_data, feat_size, target_cls, target_ver, target_hor = \
                 model_data.get_image_and_targets(img_file, txt_file, meta.anchor_heights)
                 #
                 img_size = img_data[0].shape   # height, width, channel
                 #
                 w_arr = np.array([ img_size[1] ], dtype = np.int32)
                 #
                 #
                 feed_dict = {self.x: img_data, self.w: w_arr, \
                              self.t_cls: target_cls, self.t_ver: target_ver, self.t_hor: target_hor}
                 #
                 r_cls, r_ver, r_hor, loss_value = sess.run([self.rnn_cls, self.rnn_ver, self.rnn_hor, self.loss], feed_dict)
                 #
                 #
                 curr += 1
                 print('curr: %d / %d, loss: %f' % (curr, NumImages, loss_value))
                 #                    
                 # trans
                 text_bbox, conf_bbox = model_data.trans_results(r_cls, r_ver, r_hor, \
                                                                 meta.anchor_heights, meta.threshold)
                 # conn_bbox = model_data.do_nms_and_connection(text_bbox, conf_bbox)
                 #
                 # image
                 #
                 filename = os.path.basename(img_file)
                 file_target = os.path.join(meta.dir_results_valid, str(step) + '_predicted_' + filename)
                 img_target = Image.fromarray(np.uint8(img_data[0] *255) ) #.convert('RGB')
                 img_target.save(file_target)
                 model_data.draw_text_boxes(file_target, text_bbox)
                 #
                 id_remove = step - self.valid_freq * self.keep_near
                 if id_remove % self.keep_freq:
                     file_temp = os.path.join(meta.dir_results_valid, str(id_remove) + '_predicted_' + filename)
                     if os.path.exists(file_temp): os.remove(file_temp)
                 #
             #
             print('validation finished')