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136 lines
4.4 KiB
136 lines
4.4 KiB
# -*- coding:utf-8 -*-
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import argparse
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import ast
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import copy
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import math
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import os
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import time
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from paddle.fluid.core import AnalysisConfig, create_paddle_predictor, PaddleTensor
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from paddlehub.common.logger import logger
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from paddlehub.module.module import moduleinfo, runnable, serving
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from PIL import Image
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import cv2
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import numpy as np
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import paddle.fluid as fluid
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import paddlehub as hub
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from tools.infer.utility import base64_to_cv2
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from tools.infer.predict_rec import TextRecognizer
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class Config(object):
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pass
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@moduleinfo(
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name="ocr_rec",
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version="1.0.0",
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summary="ocr recognition service",
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author="paddle-dev",
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author_email="paddle-dev@baidu.com",
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type="cv/text_recognition")
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class OCRRec(hub.Module):
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def _initialize(self,
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rec_model_dir="",
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rec_algorithm="CRNN",
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rec_char_dict_path="./ppocr/utils/ppocr_keys_v1.txt",
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rec_batch_num=30,
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use_gpu=False
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):
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"""
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initialize with the necessary elements
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"""
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self.config = Config()
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self.config.use_gpu = use_gpu
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if use_gpu:
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try:
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_places = os.environ["CUDA_VISIBLE_DEVICES"]
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int(_places[0])
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print("use gpu: ", use_gpu)
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print("CUDA_VISIBLE_DEVICES: ", _places)
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except:
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raise RuntimeError(
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"Environment Variable CUDA_VISIBLE_DEVICES is not set correctly. If you wanna use gpu, please set CUDA_VISIBLE_DEVICES via export CUDA_VISIBLE_DEVICES=cuda_device_id."
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)
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self.config.ir_optim = True
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self.config.gpu_mem = 8000
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#params for text recognizer
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self.config.rec_algorithm = rec_algorithm
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self.config.rec_model_dir = rec_model_dir
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# self.config.rec_model_dir = "./inference/rec/"
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self.config.rec_image_shape = "3, 32, 320"
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self.config.rec_char_type = 'ch'
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self.config.rec_batch_num = rec_batch_num
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self.config.rec_char_dict_path = rec_char_dict_path
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self.config.use_space_char = True
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def read_images(self, paths=[]):
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images = []
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for img_path in paths:
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assert os.path.isfile(
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img_path), "The {} isn't a valid file.".format(img_path)
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img = cv2.imread(img_path)
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if img is None:
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logger.info("error in loading image:{}".format(img_path))
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continue
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images.append(img)
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return images
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def rec_text(self,
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images=[],
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paths=[]):
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"""
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Get the text box in the predicted images.
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Args:
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images (list(numpy.ndarray)): images data, shape of each is [H, W, C]. If images not paths
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paths (list[str]): The paths of images. If paths not images
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Returns:
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res (list): The result of text detection box and save path of images.
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"""
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if images != [] and isinstance(images, list) and paths == []:
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predicted_data = images
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elif images == [] and isinstance(paths, list) and paths != []:
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predicted_data = self.read_images(paths)
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else:
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raise TypeError("The input data is inconsistent with expectations.")
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assert predicted_data != [], "There is not any image to be predicted. Please check the input data."
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text_recognizer = TextRecognizer(self.config)
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img_list = []
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for img in predicted_data:
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if img is None:
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continue
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img_list.append(img)
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try:
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rec_res, predict_time = text_recognizer(img_list)
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except Exception as e:
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print(e)
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return []
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return rec_res
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@serving
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def serving_method(self, images, **kwargs):
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"""
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Run as a service.
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"""
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images_decode = [base64_to_cv2(image) for image in images]
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results = self.det_text(images_decode, **kwargs)
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return results
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if __name__ == '__main__':
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ocr = OCRRec()
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image_path = [
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'./doc/imgs_words/ch/word_1.jpg',
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'./doc/imgs_words/ch/word_2.jpg',
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'./doc/imgs_words/ch/word_3.jpg',
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]
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res = ocr.rec_text(paths=image_path)
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print(res) |