Files
FastDeploy/examples/vision/ocr/PP-OCRv3/python/infer_static_shape.py
yunyaoXYY d49160252b [Other] Improve examples and readme for Ascend deployment (#1052)
* Add Huawei Ascend NPU deploy through PaddleLite CANN

* Add NNAdapter interface for paddlelite

* Modify Huawei Ascend Cmake

* Update way for compiling Huawei Ascend NPU deployment

* remove UseLiteBackend in UseCANN

* Support compile python whlee

* Change names of nnadapter API

* Add nnadapter pybind and remove useless API

* Support Python deployment on Huawei Ascend NPU

* Add models suppor for ascend

* Add PPOCR rec reszie for ascend

* fix conflict for ascend

* Rename CANN to Ascend

* Rename CANN to Ascend

* Improve ascend

* fix ascend bug

* improve ascend docs

* improve ascend docs

* improve ascend docs

* Improve Ascend

* Improve Ascend

* Move ascend python demo

* Imporve ascend

* Improve ascend

* Improve ascend

* Improve ascend

* Improve ascend

* Imporve ascend

* Imporve ascend

* Improve ascend

* acc eval script

* acc eval

* remove acc_eval from branch huawei

* Add detection and segmentation examples for Ascend deployment

* Add detection and segmentation examples for Ascend deployment

* Add PPOCR example for ascend deploy

* Imporve paddle lite compiliation

* Add FlyCV doc

* Add FlyCV doc

* Add FlyCV doc

* Imporve Ascend docs

* Imporve Ascend docs

* Improve PPOCR example
2023-01-04 16:18:38 +08:00

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# Copyright (c) 2022 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 fastdeploy as fd
import cv2
import os
def parse_arguments():
import argparse
import ast
parser = argparse.ArgumentParser()
parser.add_argument(
"--det_model", required=True, help="Path of Detection model of PPOCR.")
parser.add_argument(
"--cls_model",
required=True,
help="Path of Classification model of PPOCR.")
parser.add_argument(
"--rec_model",
required=True,
help="Path of Recognization model of PPOCR.")
parser.add_argument(
"--rec_label_file",
required=True,
help="Path of Recognization model of PPOCR.")
parser.add_argument(
"--image", type=str, required=True, help="Path of test image file.")
parser.add_argument(
"--device",
type=str,
default='cpu',
help="Type of inference device, support 'cpu', 'kunlunxin' or 'gpu'.")
parser.add_argument(
"--cpu_thread_num",
type=int,
default=9,
help="Number of threads while inference on CPU.")
return parser.parse_args()
def build_option(args):
det_option = fd.RuntimeOption()
cls_option = fd.RuntimeOption()
rec_option = fd.RuntimeOption()
# 当前需要对PP-OCR启用静态shape推理的硬件只有昇腾.
if args.device.lower() == "ascend":
det_option.use_ascend()
cls_option.use_ascend()
rec_option.use_ascend()
return det_option, cls_option, rec_option
args = parse_arguments()
# Detection模型, 检测文字框
det_model_file = os.path.join(args.det_model, "inference.pdmodel")
det_params_file = os.path.join(args.det_model, "inference.pdiparams")
# Classification模型方向分类可选
cls_model_file = os.path.join(args.cls_model, "inference.pdmodel")
cls_params_file = os.path.join(args.cls_model, "inference.pdiparams")
# Recognition模型文字识别模型
rec_model_file = os.path.join(args.rec_model, "inference.pdmodel")
rec_params_file = os.path.join(args.rec_model, "inference.pdiparams")
rec_label_file = args.rec_label_file
det_option, cls_option, rec_option = build_option(args)
det_model = fd.vision.ocr.DBDetector(
det_model_file, det_params_file, runtime_option=det_option)
cls_model = fd.vision.ocr.Classifier(
cls_model_file, cls_params_file, runtime_option=cls_option)
rec_model = fd.vision.ocr.Recognizer(
rec_model_file, rec_params_file, rec_label_file, runtime_option=rec_option)
# Rec模型启用静态shape推理
rec_model.preprocessor.static_shape_infer = True
# 创建PP-OCR串联3个模型其中cls_model可选如无需求可设置为None
ppocr_v3 = fd.vision.ocr.PPOCRv3(
det_model=det_model, cls_model=cls_model, rec_model=rec_model)
# Cls模型和Rec模型的batch size 必须设置为1, 开启静态shape推理
ppocr_v3.cls_batch_size = 1
ppocr_v3.rec_batch_size = 1
# 预测图片准备
im = cv2.imread(args.image)
#预测并打印结果
result = ppocr_v3.predict(im)
print(result)
# 可视化结果
vis_im = fd.vision.vis_ppocr(im, result)
cv2.imwrite("visualized_result.jpg", vis_im)
print("Visualized result save in ./visualized_result.jpg")