[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
2025-10-06 00:57:33 +08:00 · 2023-01-04 16:18:38 +08:00
parent 07ad7216f6
commit d49160252b
19 changed files with 663 additions and 130 deletions
--- a/examples/vision/ocr/PP-OCRv2/python/infer_static_shape.py
+++ b/examples/vision/ocr/PP-OCRv2/python/infer_static_shape.py
@@ -0,0 +1,114 @@
+# 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_v2 = fd.vision.ocr.PPOCRv2(
+    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_v2.cls_batch_size = 1
+ppocr_v2.rec_batch_size = 1
+
+# 预测图片准备
+im = cv2.imread(args.image)
+
+#预测并打印结果
+result = ppocr_v2.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")