# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import argparse import os, sys from ppocr.utils.utility import initial_logger logger = initial_logger() from paddle.fluid.core import PaddleTensor from paddle.fluid.core import AnalysisConfig from paddle.fluid.core import create_paddle_predictor import cv2 import numpy as np import json from PIL import Image, ImageDraw, ImageFont def parse_args(): def str2bool(v): return v.lower() in ("true", "t", "1") parser = argparse.ArgumentParser() #params for prediction engine parser.add_argument("--use_gpu", type=str2bool, default=True) parser.add_argument("--ir_optim", type=str2bool, default=True) parser.add_argument("--use_tensorrt", type=str2bool, default=False) parser.add_argument("--gpu_mem", type=int, default=8000) #params for text detector parser.add_argument("--image_dir", type=str) parser.add_argument("--det_algorithm", type=str, default='DB') parser.add_argument("--det_model_dir", type=str) parser.add_argument("--det_max_side_len", type=float, default=960) #DB parmas parser.add_argument("--det_db_thresh", type=float, default=0.3) parser.add_argument("--det_db_box_thresh", type=float, default=0.5) parser.add_argument("--det_db_unclip_ratio", type=float, default=2.0) #EAST parmas parser.add_argument("--det_east_score_thresh", type=float, default=0.8) parser.add_argument("--det_east_cover_thresh", type=float, default=0.1) parser.add_argument("--det_east_nms_thresh", type=float, default=0.2) #params for text recognizer parser.add_argument("--rec_algorithm", type=str, default='CRNN') parser.add_argument("--rec_model_dir", type=str) parser.add_argument("--rec_image_shape", type=str, default="3, 32, 320") parser.add_argument("--rec_char_type", type=str, default='ch') parser.add_argument("--rec_batch_num", type=int, default=30) parser.add_argument( "--rec_char_dict_path", type=str, default="./ppocr/utils/ppocr_keys_v1.txt") return parser.parse_args() def create_predictor(args, mode): if mode == "det": model_dir = args.det_model_dir else: model_dir = args.rec_model_dir if model_dir is None: logger.info("not find {} model file path {}".format(mode, model_dir)) sys.exit(0) model_file_path = model_dir + "/model" params_file_path = model_dir + "/params" if not os.path.exists(model_file_path): logger.info("not find model file path {}".format(model_file_path)) sys.exit(0) if not os.path.exists(params_file_path): logger.info("not find params file path {}".format(params_file_path)) sys.exit(0) config = AnalysisConfig(model_file_path, params_file_path) if args.use_gpu: config.enable_use_gpu(args.gpu_mem, 0) else: config.disable_gpu() config.disable_glog_info() # use zero copy config.delete_pass("conv_transpose_eltwiseadd_bn_fuse_pass") config.switch_use_feed_fetch_ops(False) predictor = create_paddle_predictor(config) input_names = predictor.get_input_names() input_tensor = predictor.get_input_tensor(input_names[0]) output_names = predictor.get_output_names() output_tensors = [] for output_name in output_names: output_tensor = predictor.get_output_tensor(output_name) output_tensors.append(output_tensor) return predictor, input_tensor, output_tensors def draw_text_det_res(dt_boxes, img_path, return_img=True): src_im = cv2.imread(img_path) for box in dt_boxes: box = np.array(box).astype(np.int32).reshape(-1, 2) cv2.polylines(src_im, [box], True, color=(255, 255, 0), thickness=2) return src_im def resize_img(img, input_size=600): """ """ img = np.array(img) im_shape = img.shape im_size_min = np.min(im_shape[0:2]) im_size_max = np.max(im_shape[0:2]) im_scale = float(input_size) / float(im_size_max) im = cv2.resize(img, None, None, fx=im_scale, fy=im_scale) return im def draw_ocr(image, boxes, txts, scores, draw_txt=True, drop_score=0.5): from PIL import Image, ImageDraw, ImageFont img = image.copy() draw = ImageDraw.Draw(img) if scores is None: scores = [1] * len(boxes) for (box, score) in zip(boxes, scores): if score < drop_score: continue draw.line([(box[0][0], box[0][1]), (box[1][0], box[1][1])], fill='red') draw.line([(box[1][0], box[1][1]), (box[2][0], box[2][1])], fill='red') draw.line([(box[2][0], box[2][1]), (box[3][0], box[3][1])], fill='red') draw.line([(box[3][0], box[3][1]), (box[0][0], box[0][1])], fill='red') draw.line( [(box[0][0] - 1, box[0][1] + 1), (box[1][0] - 1, box[1][1] + 1)], fill='red') draw.line( [(box[1][0] - 1, box[1][1] + 1), (box[2][0] - 1, box[2][1] + 1)], fill='red') draw.line( [(box[2][0] - 1, box[2][1] + 1), (box[3][0] - 1, box[3][1] + 1)], fill='red') draw.line( [(box[3][0] - 1, box[3][1] + 1), (box[0][0] - 1, box[0][1] + 1)], fill='red') if draw_txt: txt_color = (0, 0, 0) img = np.array(resize_img(img)) _h = img.shape[0] blank_img = np.ones(shape=[_h, 600], dtype=np.int8) * 255 blank_img = Image.fromarray(blank_img).convert("RGB") draw_txt = ImageDraw.Draw(blank_img) font_size = 20 gap = 20 title = "index text score" font = ImageFont.truetype( "./doc/simfang.ttf", font_size, encoding="utf-8") draw_txt.text((20, 0), title, txt_color, font=font) count = 0 for idx, txt in enumerate(txts): if scores[idx] < drop_score: continue font = ImageFont.truetype( "./doc/simfang.ttf", font_size, encoding="utf-8") new_txt = str(idx) + ': ' + txt + ' ' + '%.3f' % (scores[idx]) draw_txt.text( (20, gap * (count + 1)), new_txt, txt_color, font=font) count += 1 img = np.concatenate([np.array(img), np.array(blank_img)], axis=1) return img if __name__ == '__main__': test_img = "./doc/test_v2" predict_txt = "./doc/predict.txt" f = open(predict_txt, 'r') data = f.readlines() img_path, anno = data[0].strip().split('\t') img_name = os.path.basename(img_path) img_path = os.path.join(test_img, img_name) image = Image.open(img_path) data = json.loads(anno) boxes, txts, scores = [], [], [] for dic in data: boxes.append(dic['points']) txts.append(dic['transcription']) scores.append(round(dic['scores'], 3)) new_img = draw_ocr(image, boxes, txts, scores, draw_txt=True) cv2.imwrite(img_name, new_img)