fix amp train for re

tools/infer/predict_det_eval.py

+# 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 os
+import sys
+
+__dir__ = os.path.dirname(os.path.abspath(__file__))
+sys.path.append(__dir__)
+sys.path.insert(0, os.path.abspath(os.path.join(__dir__, '../..')))
+
+os.environ["FLAGS_allocator_strategy"] = 'auto_growth'
+
+import cv2
+import numpy as np
+import time
+import sys
+
+import tools.infer.utility as utility
+from ppocr.utils.logging import get_logger
+from ppocr.utils.utility import get_image_file_list, check_and_read_gif
+from ppocr.data import create_operators, transform
+from ppocr.postprocess import build_post_process
+import json
+logger = get_logger()
+
+
+class TextDetector(object):
+    def __init__(self, args):
+        self.args = args
+        self.det_algorithm = args.det_algorithm
+        self.use_onnx = args.use_onnx
+        pre_process_list = [{
+            'DetResizeForTest': {
+                'limit_side_len': args.det_limit_side_len,
+                'limit_type': args.det_limit_type,
+            }
+        }, {
+            'NormalizeImage': {
+                'std': [0.229, 0.224, 0.225],
+                'mean': [0.485, 0.456, 0.406],
+                'scale': '1./255.',
+                'order': 'hwc'
+            }
+        }, {
+            'ToCHWImage': None
+        }, {
+            'KeepKeys': {
+                'keep_keys': ['image', 'shape']
+            }
+        }]
+        postprocess_params = {}
+        if self.det_algorithm == "DB":
+            postprocess_params['name'] = 'DBPostProcess'
+            postprocess_params["thresh"] = args.det_db_thresh
+            postprocess_params["box_thresh"] = args.det_db_box_thresh
+            postprocess_params["max_candidates"] = 1000
+            postprocess_params["unclip_ratio"] = args.det_db_unclip_ratio
+            postprocess_params["use_dilation"] = args.use_dilation
+            postprocess_params["score_mode"] = args.det_db_score_mode
+        elif self.det_algorithm == "EAST":
+            postprocess_params['name'] = 'EASTPostProcess'
+            postprocess_params["score_thresh"] = args.det_east_score_thresh
+            postprocess_params["cover_thresh"] = args.det_east_cover_thresh
+            postprocess_params["nms_thresh"] = args.det_east_nms_thresh
+        elif self.det_algorithm == "SAST":
+            pre_process_list[0] = {
+                'DetResizeForTest': {
+                    'resize_long': args.det_limit_side_len
+                }
+            }
+            postprocess_params['name'] = 'SASTPostProcess'
+            postprocess_params["score_thresh"] = args.det_sast_score_thresh
+            postprocess_params["nms_thresh"] = args.det_sast_nms_thresh
+            self.det_sast_polygon = args.det_sast_polygon
+            if self.det_sast_polygon:
+                postprocess_params["sample_pts_num"] = 6
+                postprocess_params["expand_scale"] = 1.2
+                postprocess_params["shrink_ratio_of_width"] = 0.2
+            else:
+                postprocess_params["sample_pts_num"] = 2
+                postprocess_params["expand_scale"] = 1.0
+                postprocess_params["shrink_ratio_of_width"] = 0.3
+        elif self.det_algorithm == "PSE":
+            postprocess_params['name'] = 'PSEPostProcess'
+            postprocess_params["thresh"] = args.det_pse_thresh
+            postprocess_params["box_thresh"] = args.det_pse_box_thresh
+            postprocess_params["min_area"] = args.det_pse_min_area
+            postprocess_params["box_type"] = args.det_pse_box_type
+            postprocess_params["scale"] = args.det_pse_scale
+            self.det_pse_box_type = args.det_pse_box_type
+        elif self.det_algorithm == "FCE":
+            pre_process_list[0] = {
+                'DetResizeForTest': {
+                    'rescale_img': [1080, 736]
+                }
+            }
+            postprocess_params['name'] = 'FCEPostProcess'
+            postprocess_params["scales"] = args.scales
+            postprocess_params["alpha"] = args.alpha
+            postprocess_params["beta"] = args.beta
+            postprocess_params["fourier_degree"] = args.fourier_degree
+            postprocess_params["box_type"] = args.det_fce_box_type
+        else:
+            logger.info("unknown det_algorithm:{}".format(self.det_algorithm))
+            sys.exit(0)
+
+        self.preprocess_op = create_operators(pre_process_list)
+        self.postprocess_op = build_post_process(postprocess_params)
+        self.predictor, self.input_tensor, self.output_tensors, self.config = utility.create_predictor(
+            args, 'det', logger)
+
+        if self.use_onnx:
+            img_h, img_w = self.input_tensor.shape[2:]
+            if img_h is not None and img_w is not None and img_h > 0 and img_w > 0:
+                pre_process_list[0] = {
+                    'DetResizeForTest': {
+                        'image_shape': [img_h, img_w]
+                    }
+                }
+        self.preprocess_op = create_operators(pre_process_list)
+
+        if args.benchmark:
+            import auto_log
+            pid = os.getpid()
+            gpu_id = utility.get_infer_gpuid()
+            self.autolog = auto_log.AutoLogger(
+                model_name="det",
+                model_precision=args.precision,
+                batch_size=1,
+                data_shape="dynamic",
+                save_path=None,
+                inference_config=self.config,
+                pids=pid,
+                process_name=None,
+                gpu_ids=gpu_id if args.use_gpu else None,
+                time_keys=[
+                    'preprocess_time', 'inference_time', 'postprocess_time'
+                ],
+                warmup=2,
+                logger=logger)
+
+    def order_points_clockwise(self, pts):
+        rect = np.zeros((4, 2), dtype="float32")
+        s = pts.sum(axis=1)
+        rect[0] = pts[np.argmin(s)]
+        rect[2] = pts[np.argmax(s)]
+        tmp = np.delete(pts, (np.argmin(s), np.argmax(s)), axis=0)
+        diff = np.diff(np.array(tmp), axis=1)
+        rect[1] = tmp[np.argmin(diff)]
+        rect[3] = tmp[np.argmax(diff)]
+        return rect
+
+    def clip_det_res(self, points, img_height, img_width):
+        for pno in range(points.shape[0]):
+            points[pno, 0] = int(min(max(points[pno, 0], 0), img_width - 1))
+            points[pno, 1] = int(min(max(points[pno, 1], 0), img_height - 1))
+        return points
+
+    def filter_tag_det_res(self, dt_boxes, image_shape):
+        img_height, img_width = image_shape[0:2]
+        dt_boxes_new = []
+        for box in dt_boxes:
+            box = self.order_points_clockwise(box)
+            box = self.clip_det_res(box, img_height, img_width)
+            rect_width = int(np.linalg.norm(box[0] - box[1]))
+            rect_height = int(np.linalg.norm(box[0] - box[3]))
+            if rect_width <= 3 or rect_height <= 3:
+                continue
+            dt_boxes_new.append(box)
+        dt_boxes = np.array(dt_boxes_new)
+        return dt_boxes
+
+    def filter_tag_det_res_only_clip(self, dt_boxes, image_shape):
+        img_height, img_width = image_shape[0:2]
+        dt_boxes_new = []
+        for box in dt_boxes:
+            box = self.clip_det_res(box, img_height, img_width)
+            dt_boxes_new.append(box)
+        dt_boxes = np.array(dt_boxes_new)
+        return dt_boxes
+
+    def __call__(self, img):
+        ori_im = img.copy()
+        data = {'image': img}
+
+        st = time.time()
+
+        if self.args.benchmark:
+            self.autolog.times.start()
+
+        data = transform(data, self.preprocess_op)
+        img, shape_list = data
+        if img is None:
+            return None, 0
+        img = np.expand_dims(img, axis=0)
+        shape_list = np.expand_dims(shape_list, axis=0)
+        img = img.copy()
+
+        if self.args.benchmark:
+            self.autolog.times.stamp()
+        if self.use_onnx:
+            input_dict = {}
+            input_dict[self.input_tensor.name] = img
+            outputs = self.predictor.run(self.output_tensors, input_dict)
+        else:
+            self.input_tensor.copy_from_cpu(img)
+            self.predictor.run()
+            outputs = []
+            for output_tensor in self.output_tensors:
+                output = output_tensor.copy_to_cpu()
+                outputs.append(output)
+            if self.args.benchmark:
+                self.autolog.times.stamp()
+
+        preds = {}
+        if self.det_algorithm == "EAST":
+            preds['f_geo'] = outputs[0]
+            preds['f_score'] = outputs[1]
+        elif self.det_algorithm == 'SAST':
+            preds['f_border'] = outputs[0]
+            preds['f_score'] = outputs[1]
+            preds['f_tco'] = outputs[2]
+            preds['f_tvo'] = outputs[3]
+        elif self.det_algorithm in ['DB', 'PSE']:
+            preds['maps'] = outputs[0]
+        elif self.det_algorithm == 'FCE':
+            for i, output in enumerate(outputs):
+                preds['level_{}'.format(i)] = output
+        else:
+            raise NotImplementedError
+
+        #self.predictor.try_shrink_memory()
+        post_result = self.postprocess_op(preds, shape_list)
+        dt_boxes = post_result[0]['points']
+        if (self.det_algorithm == "SAST" and self.det_sast_polygon) or (
+                self.det_algorithm in ["PSE", "FCE"] and
+                self.postprocess_op.box_type == 'poly'):
+            dt_boxes = self.filter_tag_det_res_only_clip(dt_boxes, ori_im.shape)
+        else:
+            dt_boxes = self.filter_tag_det_res(dt_boxes, ori_im.shape)
+
+        if self.args.benchmark:
+            self.autolog.times.end(stamp=True)
+        et = time.time()
+        return dt_boxes, et - st
+
+
+if __name__ == "__main__":
+    from ppocr.metrics.eval_det_iou import DetectionIoUEvaluator
+    evaluator = DetectionIoUEvaluator()
+    args = utility.parse_args()
+
+    # image_file_list = get_image_file_list(args.image_dir)
+    def _check_image_file(path):
+        img_end = {'jpg', 'bmp', 'png', 'jpeg', 'rgb', 'tif', 'tiff', 'gif'}
+        return any([path.lower().endswith(e) for e in img_end])
+
+    def get_image_file_list_from_txt(img_file):
+        imgs_lists = []
+        label_lists = []
+        if img_file is None or not os.path.exists(img_file):
+            raise Exception("not found any img file in {}".format(img_file))
+
+        img_end = {'jpg', 'bmp', 'png', 'jpeg', 'rgb', 'tif', 'tiff', 'gif'}
+        root_dir = img_file.split('/')[0]
+        with open(img_file, 'r') as f:
+            lines = f.readlines()
+            for line in lines:
+                line = line.replace('\n', '').split('\t')
+                file_path, label = line[0], line[1]
+                file_path = os.path.join(root_dir, file_path)
+                if os.path.isfile(file_path) and _check_image_file(file_path):
+                    imgs_lists.append(file_path)
+                    label_lists.append(label)
+
+        if len(imgs_lists) == 0:
+            raise Exception("not found any img file in {}".format(img_file))
+        return imgs_lists, label_lists
+
+    image_file_list, label_list = get_image_file_list_from_txt(args.image_dir)
+
+    text_detector = TextDetector(args)
+    count = 0
+    total_time = 0
+    draw_img_save = "./inference_results"
+
+    if args.warmup:
+        img = np.random.uniform(0, 255, [640, 640, 3]).astype(np.uint8)
+        for i in range(2):
+            res = text_detector(img)
+
+    if not os.path.exists(draw_img_save):
+        os.makedirs(draw_img_save)
+    save_results = []
+    results = []
+    for idx in range(len(image_file_list)):
+        image_file = image_file_list[idx]
+        label = json.loads(label_list[idx])
+        img, flag = check_and_read_gif(image_file)
+        if not flag:
+            img = cv2.imread(image_file)
+        if img is None:
+            logger.info("error in loading image:{}".format(image_file))
+            continue
+        st = time.time()
+        dt_boxes, _ = text_detector(img)
+        elapse = time.time() - st
+        if count > 0:
+            total_time += elapse
+        count += 1
+        save_pred = os.path.basename(image_file) + "\t" + str(
+            json.dumps([x.tolist() for x in dt_boxes])) + "\n"
+        save_results.append(save_pred)
+
+        # for eval
+        gt_info_list = []
+        det_info_list = []
+        for dt_box in dt_boxes:
+            det_info = {
+                'points': np.array(
+                    dt_box, dtype=np.float32),
+                'text': ''
+            }
+            det_info_list.append(det_info)
+        for lab in label:
+            gt_info = {
+                'points': np.array(
+                    lab['points'], dtype=np.float32),
+                'text': '',
+                'ignore': False
+            }
+            gt_info_list.append(gt_info)
+        result = evaluator.evaluate_image(gt_info_list, det_info_list)
+        results.append(result)
+
+    metrics = evaluator.combine_results(results)
+    print('predict det eval on ', args.image_dir)
+    print('metrics: ', metrics)
+
+# logger.info(save_pred)
+# logger.info("The predict time of {}: {}".format(image_file, elapse))
+# src_im = utility.draw_text_det_res(dt_boxes, image_file)
+# img_name_pure = os.path.split(image_file)[-1]
+# img_path = os.path.join(draw_img_save,
+#                         "det_res_{}".format(img_name_pure))
+# cv2.imwrite(img_path, src_im)
+# logger.info("The visualized image saved in {}".format(img_path))
+
+# with open(os.path.join(draw_img_save, "det_results.txt"), 'w') as f:
+#     f.writelines(save_results)
+#     f.close()
+# if args.benchmark:
+#     text_detector.autolog.report()

tools/infer/predict_rec_eval.py

+# 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 os
+import sys
+from PIL import Image
+__dir__ = os.path.dirname(os.path.abspath(__file__))
+sys.path.append(__dir__)
+sys.path.insert(0, os.path.abspath(os.path.join(__dir__, '../..')))
+
+os.environ["FLAGS_allocator_strategy"] = 'auto_growth'
+
+import cv2
+import numpy as np
+import math
+import time
+import traceback
+import paddle
+
+import tools.infer.utility as utility
+from ppocr.postprocess import build_post_process
+from ppocr.utils.logging import get_logger
+from ppocr.utils.utility import get_image_file_list, check_and_read_gif
+
+logger = get_logger()
+
+
+class TextRecognizer(object):
+    def __init__(self, args):
+        self.rec_image_shape = [int(v) for v in args.rec_image_shape.split(",")]
+        self.rec_batch_num = args.rec_batch_num
+        self.rec_algorithm = args.rec_algorithm
+        postprocess_params = {
+            'name': 'CTCLabelDecode',
+            "character_dict_path": args.rec_char_dict_path,
+            "use_space_char": args.use_space_char
+        }
+        if self.rec_algorithm == "SRN":
+            postprocess_params = {
+                'name': 'SRNLabelDecode',
+                "character_dict_path": args.rec_char_dict_path,
+                "use_space_char": args.use_space_char
+            }
+        elif self.rec_algorithm == "RARE":
+            postprocess_params = {
+                'name': 'AttnLabelDecode',
+                "character_dict_path": args.rec_char_dict_path,
+                "use_space_char": args.use_space_char
+            }
+        elif self.rec_algorithm == 'NRTR':
+            postprocess_params = {
+                'name': 'NRTRLabelDecode',
+                "character_dict_path": args.rec_char_dict_path,
+                "use_space_char": args.use_space_char
+            }
+        elif self.rec_algorithm == "SAR":
+            postprocess_params = {
+                'name': 'SARLabelDecode',
+                "character_dict_path": args.rec_char_dict_path,
+                "use_space_char": args.use_space_char
+            }
+        elif self.rec_algorithm == 'ViTSTR':
+            postprocess_params = {
+                'name': 'ViTSTRLabelDecode',
+                "character_dict_path": args.rec_char_dict_path,
+                "use_space_char": args.use_space_char
+            }
+        elif self.rec_algorithm == 'ABINet':
+            postprocess_params = {
+                'name': 'ABINetLabelDecode',
+                "character_dict_path": args.rec_char_dict_path,
+                "use_space_char": args.use_space_char
+            }
+        self.postprocess_op = build_post_process(postprocess_params)
+        self.predictor, self.input_tensor, self.output_tensors, self.config = \
+            utility.create_predictor(args, 'rec', logger)
+        self.benchmark = args.benchmark
+        self.use_onnx = args.use_onnx
+        if args.benchmark:
+            import auto_log
+            pid = os.getpid()
+            gpu_id = utility.get_infer_gpuid()
+            self.autolog = auto_log.AutoLogger(
+                model_name="rec",
+                model_precision=args.precision,
+                batch_size=args.rec_batch_num,
+                data_shape="dynamic",
+                save_path=None,  #args.save_log_path,
+                inference_config=self.config,
+                pids=pid,
+                process_name=None,
+                gpu_ids=gpu_id if args.use_gpu else None,
+                time_keys=[
+                    'preprocess_time', 'inference_time', 'postprocess_time'
+                ],
+                warmup=0,
+                logger=logger)
+
+    def resize_norm_img(self, img, max_wh_ratio):
+        imgC, imgH, imgW = self.rec_image_shape
+        if self.rec_algorithm == 'NRTR' or self.rec_algorithm == 'ViTSTR':
+            img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+            # return padding_im
+            image_pil = Image.fromarray(np.uint8(img))
+            if self.rec_algorithm == 'ViTSTR':
+                img = image_pil.resize([imgW, imgH], Image.BICUBIC)
+            else:
+                img = image_pil.resize([imgW, imgH], Image.ANTIALIAS)
+            img = np.array(img)
+            norm_img = np.expand_dims(img, -1)
+            norm_img = norm_img.transpose((2, 0, 1))
+            if self.rec_algorithm == 'ViTSTR':
+                norm_img = norm_img.astype(np.float32) / 255.
+            else:
+                norm_img = norm_img.astype(np.float32) / 128. - 1.
+            return norm_img
+
+        assert imgC == img.shape[2]
+        imgW = int((imgH * max_wh_ratio))
+        if self.use_onnx:
+            w = self.input_tensor.shape[3:][0]
+            if w is not None and w > 0:
+                imgW = w
+
+        h, w = img.shape[:2]
+        ratio = w / float(h)
+        if math.ceil(imgH * ratio) > imgW:
+            resized_w = imgW
+        else:
+            resized_w = int(math.ceil(imgH * ratio))
+        if self.rec_algorithm == 'RARE':
+            if resized_w > self.rec_image_shape[2]:
+                resized_w = self.rec_image_shape[2]
+            imgW = self.rec_image_shape[2]
+        resized_image = cv2.resize(img, (resized_w, imgH))
+        resized_image = resized_image.astype('float32')
+        resized_image = resized_image.transpose((2, 0, 1)) / 255
+        resized_image -= 0.5
+        resized_image /= 0.5
+        padding_im = np.zeros((imgC, imgH, imgW), dtype=np.float32)
+        padding_im[:, :, 0:resized_w] = resized_image
+        return padding_im
+
+    def resize_norm_img_srn(self, img, image_shape):
+        imgC, imgH, imgW = image_shape
+
+        img_black = np.zeros((imgH, imgW))
+        im_hei = img.shape[0]
+        im_wid = img.shape[1]
+
+        if im_wid <= im_hei * 1:
+            img_new = cv2.resize(img, (imgH * 1, imgH))
+        elif im_wid <= im_hei * 2:
+            img_new = cv2.resize(img, (imgH * 2, imgH))
+        elif im_wid <= im_hei * 3:
+            img_new = cv2.resize(img, (imgH * 3, imgH))
+        else:
+            img_new = cv2.resize(img, (imgW, imgH))
+
+        img_np = np.asarray(img_new)
+        img_np = cv2.cvtColor(img_np, cv2.COLOR_BGR2GRAY)
+        img_black[:, 0:img_np.shape[1]] = img_np
+        img_black = img_black[:, :, np.newaxis]
+
+        row, col, c = img_black.shape
+        c = 1
+
+        return np.reshape(img_black, (c, row, col)).astype(np.float32)
+
+    def srn_other_inputs(self, image_shape, num_heads, max_text_length):
+
+        imgC, imgH, imgW = image_shape
+        feature_dim = int((imgH / 8) * (imgW / 8))
+
+        encoder_word_pos = np.array(range(0, feature_dim)).reshape(
+            (feature_dim, 1)).astype('int64')
+        gsrm_word_pos = np.array(range(0, max_text_length)).reshape(
+            (max_text_length, 1)).astype('int64')
+
+        gsrm_attn_bias_data = np.ones((1, max_text_length, max_text_length))
+        gsrm_slf_attn_bias1 = np.triu(gsrm_attn_bias_data, 1).reshape(
+            [-1, 1, max_text_length, max_text_length])
+        gsrm_slf_attn_bias1 = np.tile(
+            gsrm_slf_attn_bias1,
+            [1, num_heads, 1, 1]).astype('float32') * [-1e9]
+
+        gsrm_slf_attn_bias2 = np.tril(gsrm_attn_bias_data, -1).reshape(
+            [-1, 1, max_text_length, max_text_length])
+        gsrm_slf_attn_bias2 = np.tile(
+            gsrm_slf_attn_bias2,
+            [1, num_heads, 1, 1]).astype('float32') * [-1e9]
+
+        encoder_word_pos = encoder_word_pos[np.newaxis, :]
+        gsrm_word_pos = gsrm_word_pos[np.newaxis, :]
+
+        return [
+            encoder_word_pos, gsrm_word_pos, gsrm_slf_attn_bias1,
+            gsrm_slf_attn_bias2
+        ]
+
+    def process_image_srn(self, img, image_shape, num_heads, max_text_length):
+        norm_img = self.resize_norm_img_srn(img, image_shape)
+        norm_img = norm_img[np.newaxis, :]
+
+        [encoder_word_pos, gsrm_word_pos, gsrm_slf_attn_bias1, gsrm_slf_attn_bias2] = \
+            self.srn_other_inputs(image_shape, num_heads, max_text_length)
+
+        gsrm_slf_attn_bias1 = gsrm_slf_attn_bias1.astype(np.float32)
+        gsrm_slf_attn_bias2 = gsrm_slf_attn_bias2.astype(np.float32)
+        encoder_word_pos = encoder_word_pos.astype(np.int64)
+        gsrm_word_pos = gsrm_word_pos.astype(np.int64)
+
+        return (norm_img, encoder_word_pos, gsrm_word_pos, gsrm_slf_attn_bias1,
+                gsrm_slf_attn_bias2)
+
+    def resize_norm_img_sar(self, img, image_shape,
+                            width_downsample_ratio=0.25):
+        imgC, imgH, imgW_min, imgW_max = image_shape
+        h = img.shape[0]
+        w = img.shape[1]
+        valid_ratio = 1.0
+        # make sure new_width is an integral multiple of width_divisor.
+        width_divisor = int(1 / width_downsample_ratio)
+        # resize
+        ratio = w / float(h)
+        resize_w = math.ceil(imgH * ratio)
+        if resize_w % width_divisor != 0:
+            resize_w = round(resize_w / width_divisor) * width_divisor
+        if imgW_min is not None:
+            resize_w = max(imgW_min, resize_w)
+        if imgW_max is not None:
+            valid_ratio = min(1.0, 1.0 * resize_w / imgW_max)
+            resize_w = min(imgW_max, resize_w)
+        resized_image = cv2.resize(img, (resize_w, imgH))
+        resized_image = resized_image.astype('float32')
+        # norm 
+        if image_shape[0] == 1:
+            resized_image = resized_image / 255
+            resized_image = resized_image[np.newaxis, :]
+        else:
+            resized_image = resized_image.transpose((2, 0, 1)) / 255
+        resized_image -= 0.5
+        resized_image /= 0.5
+        resize_shape = resized_image.shape
+        padding_im = -1.0 * np.ones((imgC, imgH, imgW_max), dtype=np.float32)
+        padding_im[:, :, 0:resize_w] = resized_image
+        pad_shape = padding_im.shape
+
+        return padding_im, resize_shape, pad_shape, valid_ratio
+
+    def resize_norm_img_svtr(self, img, image_shape):
+
+        imgC, imgH, imgW = image_shape
+        resized_image = cv2.resize(
+            img, (imgW, imgH), interpolation=cv2.INTER_LINEAR)
+        resized_image = resized_image.astype('float32')
+        resized_image = resized_image.transpose((2, 0, 1)) / 255
+        resized_image -= 0.5
+        resized_image /= 0.5
+        return resized_image
+
+    def resize_norm_img_abinet(self, img, image_shape):
+
+        imgC, imgH, imgW = image_shape
+
+        resized_image = cv2.resize(
+            img, (imgW, imgH), interpolation=cv2.INTER_LINEAR)
+        resized_image = resized_image.astype('float32')
+        resized_image = resized_image / 255.
+
+        mean = np.array([0.485, 0.456, 0.406])
+        std = np.array([0.229, 0.224, 0.225])
+        resized_image = (
+            resized_image - mean[None, None, ...]) / std[None, None, ...]
+        resized_image = resized_image.transpose((2, 0, 1))
+        resized_image = resized_image.astype('float32')
+
+        return resized_image
+
+    def __call__(self, img_list):
+        img_num = len(img_list)
+        # Calculate the aspect ratio of all text bars
+        width_list = []
+        for img in img_list:
+            width_list.append(img.shape[1] / float(img.shape[0]))
+        # Sorting can speed up the recognition process
+        indices = np.argsort(np.array(width_list))
+        rec_res = [['', 0.0]] * img_num
+        batch_num = self.rec_batch_num
+        st = time.time()
+        if self.benchmark:
+            self.autolog.times.start()
+        for beg_img_no in range(0, img_num, batch_num):
+            end_img_no = min(img_num, beg_img_no + batch_num)
+            norm_img_batch = []
+            imgC, imgH, imgW = self.rec_image_shape
+            max_wh_ratio = imgW / imgH
+            # max_wh_ratio = 0
+            for ino in range(beg_img_no, end_img_no):
+                h, w = img_list[indices[ino]].shape[0:2]
+                wh_ratio = w * 1.0 / h
+                max_wh_ratio = max(max_wh_ratio, wh_ratio)
+            for ino in range(beg_img_no, end_img_no):
+
+                if self.rec_algorithm == "SAR":
+                    norm_img, _, _, valid_ratio = self.resize_norm_img_sar(
+                        img_list[indices[ino]], self.rec_image_shape)
+                    norm_img = norm_img[np.newaxis, :]
+                    valid_ratio = np.expand_dims(valid_ratio, axis=0)
+                    valid_ratios = []
+                    valid_ratios.append(valid_ratio)
+                    norm_img_batch.append(norm_img)
+                elif self.rec_algorithm == "SRN":
+                    norm_img = self.process_image_srn(
+                        img_list[indices[ino]], self.rec_image_shape, 8, 25)
+                    encoder_word_pos_list = []
+                    gsrm_word_pos_list = []
+                    gsrm_slf_attn_bias1_list = []
+                    gsrm_slf_attn_bias2_list = []
+                    encoder_word_pos_list.append(norm_img[1])
+                    gsrm_word_pos_list.append(norm_img[2])
+                    gsrm_slf_attn_bias1_list.append(norm_img[3])
+                    gsrm_slf_attn_bias2_list.append(norm_img[4])
+                    norm_img_batch.append(norm_img[0])
+                elif self.rec_algorithm == "SVTR":
+                    norm_img = self.resize_norm_img_svtr(img_list[indices[ino]],
+                                                         self.rec_image_shape)
+                    norm_img = norm_img[np.newaxis, :]
+                    norm_img_batch.append(norm_img)
+                elif self.rec_algorithm == "ABINet":
+                    norm_img = self.resize_norm_img_abinet(
+                        img_list[indices[ino]], self.rec_image_shape)
+                    norm_img = norm_img[np.newaxis, :]
+                    norm_img_batch.append(norm_img)
+                else:
+                    norm_img = self.resize_norm_img(img_list[indices[ino]],
+                                                    max_wh_ratio)
+                    norm_img = norm_img[np.newaxis, :]
+                    norm_img_batch.append(norm_img)
+            norm_img_batch = np.concatenate(norm_img_batch)
+            norm_img_batch = norm_img_batch.copy()
+            if self.benchmark:
+                self.autolog.times.stamp()
+
+            if self.rec_algorithm == "SRN":
+                encoder_word_pos_list = np.concatenate(encoder_word_pos_list)
+                gsrm_word_pos_list = np.concatenate(gsrm_word_pos_list)
+                gsrm_slf_attn_bias1_list = np.concatenate(
+                    gsrm_slf_attn_bias1_list)
+                gsrm_slf_attn_bias2_list = np.concatenate(
+                    gsrm_slf_attn_bias2_list)
+
+                inputs = [
+                    norm_img_batch,
+                    encoder_word_pos_list,
+                    gsrm_word_pos_list,
+                    gsrm_slf_attn_bias1_list,
+                    gsrm_slf_attn_bias2_list,
+                ]
+                if self.use_onnx:
+                    input_dict = {}
+                    input_dict[self.input_tensor.name] = norm_img_batch
+                    outputs = self.predictor.run(self.output_tensors,
+                                                 input_dict)
+                    preds = {"predict": outputs[2]}
+                else:
+                    input_names = self.predictor.get_input_names()
+                    for i in range(len(input_names)):
+                        input_tensor = self.predictor.get_input_handle(
+                            input_names[i])
+                        input_tensor.copy_from_cpu(inputs[i])
+                    self.predictor.run()
+                    outputs = []
+                    for output_tensor in self.output_tensors:
+                        output = output_tensor.copy_to_cpu()
+                        outputs.append(output)
+                    if self.benchmark:
+                        self.autolog.times.stamp()
+                    preds = {"predict": outputs[2]}
+            elif self.rec_algorithm == "SAR":
+                valid_ratios = np.concatenate(valid_ratios)
+                inputs = [
+                    norm_img_batch,
+                    valid_ratios,
+                ]
+                if self.use_onnx:
+                    input_dict = {}
+                    input_dict[self.input_tensor.name] = norm_img_batch
+                    outputs = self.predictor.run(self.output_tensors,
+                                                 input_dict)
+                    preds = outputs[0]
+                else:
+                    input_names = self.predictor.get_input_names()
+                    for i in range(len(input_names)):
+                        input_tensor = self.predictor.get_input_handle(
+                            input_names[i])
+                        input_tensor.copy_from_cpu(inputs[i])
+                    self.predictor.run()
+                    outputs = []
+                    for output_tensor in self.output_tensors:
+                        output = output_tensor.copy_to_cpu()
+                        outputs.append(output)
+                    if self.benchmark:
+                        self.autolog.times.stamp()
+                    preds = outputs[0]
+            else:
+                if self.use_onnx:
+                    input_dict = {}
+                    input_dict[self.input_tensor.name] = norm_img_batch
+                    outputs = self.predictor.run(self.output_tensors,
+                                                 input_dict)
+                    preds = outputs[0]
+                else:
+                    self.input_tensor.copy_from_cpu(norm_img_batch)
+                    self.predictor.run()
+                    outputs = []
+                    for output_tensor in self.output_tensors:
+                        output = output_tensor.copy_to_cpu()
+                        outputs.append(output)
+                    if self.benchmark:
+                        self.autolog.times.stamp()
+                    if len(outputs) != 1:
+                        preds = outputs
+                    else:
+                        preds = outputs[0]
+            rec_result = self.postprocess_op(preds)
+            for rno in range(len(rec_result)):
+                rec_res[indices[beg_img_no + rno]] = rec_result[rno]
+            if self.benchmark:
+                self.autolog.times.end(stamp=True)
+        return rec_res, time.time() - st
+
+
+def main(args):
+    # image_file_list = get_image_file_list(args.image_dir)
+
+    def _check_image_file(path):
+        img_end = {'jpg', 'bmp', 'png', 'jpeg', 'rgb', 'tif', 'tiff', 'gif'}
+        return any([path.lower().endswith(e) for e in img_end])
+
+    def get_image_file_list_from_txt(img_file):
+        imgs_lists = []
+        label_lists = []
+        if img_file is None or not os.path.exists(img_file):
+            raise Exception("not found any img file in {}".format(img_file))
+
+        img_end = {'jpg', 'bmp', 'png', 'jpeg', 'rgb', 'tif', 'tiff', 'gif'}
+        root_dir = img_file.split('/')[0]
+        with open(img_file, 'r') as f:
+            lines = f.readlines()
+            for line in lines:
+                line = line.replace('\n', '').split('\t')
+                file_path, label = line[0], line[1]
+                file_path = os.path.join(root_dir, file_path)
+                if os.path.isfile(file_path) and _check_image_file(file_path):
+                    imgs_lists.append(file_path)
+                    label_lists.append(label)
+
+        if len(imgs_lists) == 0:
+            raise Exception("not found any img file in {}".format(img_file))
+        return imgs_lists, label_lists
+
+    image_file_list, label_list = get_image_file_list_from_txt(args.image_dir)
+
+    text_recognizer = TextRecognizer(args)
+    valid_image_file_list = []
+    img_list = []
+
+    logger.info(
+        "In PP-OCRv3, rec_image_shape parameter defaults to '3, 48, 320', "
+        "if you are using recognition model with PP-OCRv2 or an older version, please set --rec_image_shape='3,32,320"
+    )
+    # warmup 2 times
+    if args.warmup:
+        img = np.random.uniform(0, 255, [48, 320, 3]).astype(np.uint8)
+        for i in range(2):
+            res = text_recognizer([img] * int(args.rec_batch_num))
+
+    for image_file in image_file_list:
+        img, flag = check_and_read_gif(image_file)
+        if not flag:
+            img = cv2.imread(image_file)
+        if img is None:
+            logger.info("error in loading image:{}".format(image_file))
+            continue
+        valid_image_file_list.append(image_file)
+        img_list.append(img)
+
+    try:
+        rec_res, _ = text_recognizer(img_list)
+    except Exception as E:
+        logger.info(traceback.format_exc())
+        logger.info(E)
+        exit()
+    correct_num = 0
+    for ino in range(len(img_list)):
+        pred = rec_res[ino][0]
+        gt = label_list[ino]
+        if pred == gt:
+            correct_num += 1
+    acc = correct_num * 1.0 / len(img_list)
+    print('predict rec eval on ', args.image_dir)
+    print('acc: ', acc)
+
+    # for debug bad case
+    bad_case_lines = []
+    for ino in range(len(img_list)):
+        pred = rec_res[ino][0]
+        gt = label_list[ino]
+        if pred != gt and len(gt) <= 25:
+            bad_case = valid_image_file_list[
+                ino] + '\t' + 'pred:' + pred + '\t' + 'gt:' + gt + '\n'
+            bad_case_lines.append(bad_case)
+
+    with open('bad_case_hwdb2.txt', 'a+') as f:
+        f.writelines(bad_case_lines)
+    # end debug case
+
+    if args.benchmark:
+        text_recognizer.autolog.report()
+
+
+if __name__ == "__main__":
+    main(utility.parse_args())

tools/program.py

@@ -154,13 +154,14 @@ def check_xpu(use_xpu):
     except Exception as e:
         pass
 
+
 def to_float32(preds):
     if isinstance(preds, dict):
         for k in preds:
             if isinstance(preds[k], dict) or isinstance(preds[k], list):
                 preds[k] = to_float32(preds[k])
             else:
-                preds[k] = preds[k].astype(paddle.float32)
+                preds[k] = paddle.to_tensor(preds[k], dtype='float32')
     elif isinstance(preds, list):
         for k in range(len(preds)):
             if isinstance(preds[k], dict):
@@ -168,11 +169,12 @@ def to_float32(preds):
             elif isinstance(preds[k], list):
                 preds[k] = to_float32(preds[k])
             else:
-                preds[k] = preds[k].astype(paddle.float32)
+                preds[k] = paddle.to_tensor(preds[k], dtype='float32')
     else:
-        preds = preds.astype(paddle.float32)
+        preds[k] = paddle.to_tensor(preds[k], dtype='float32')
     return preds
 
+
 def train(config,
           train_dataloader,
           valid_dataloader,