EasyOCR 示例

此文档讲述使用 QAI AppBuilder Python API 利用 Qualcomm® Hexagon™ Processor (NPU) 推理 EasyOCR 文本识别模型。

示例支持设备

设备	SoC
Fogwise® AIRbox Q900	QCS9075

安装 QAI AppBuilder

提示

1. 请根据 QAI AppBuilder 安装方法 安装 QAI AppBuilder。

2. 请根据 创建 ADSP 环境变量 配置 ADSP 环境变量。

运行示例

安装依赖

Device

pip3 install requests tqdm qai-hub py3_wget opencv-python torch torchvision matplotlib easyocr qai_hub_models

运行脚本

• 进入示例目录

  QCS9075

  Device

  cd ai-engine-direct-helper/samples/python

• 准备输入图片，这里以以下图片为输入示例

  

  input image

• 执行推理

  Device

  python3 easy_ocr/easy_ocr.py

  $ python3 easy_ocr/easy_ocr.py
  /prj/qct/webtech_scratch20/mlg_user_admin/qaisw_source_repo/rel/qairt-2.37.1/point_release/SNPE_SRC/avante-tools/prebuilt/dsp/hexagon-sdk-5.5.5/ipc/fastrpc/rpcmem/src/rpcmem_android.c:38:dummy call to rpcmem_init, rpcmem APIs will be used from libxdsprpc
  Calling EasyOCR_Detector::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  Calling EasyOCR_Recognizer::Inference on NPU
  白日依山尽
  黄河入海流
  欲穷千里目
  更上一层楼
  The sun beyond the mountain glows,
  The Yellow River seawards flows_
  You can enjoy a grander sight,
  By climbing to a greater height。
  
  Demo image display is disabled by default for remote servers. To override, set `QAIHM_ALWAYS_DISPLAY_OUTPUT=1` in your environment.
  
  Saving image to /mnt/ssd/qualcomm/702/zzf_fork/test/ai-engine-direct-helper/samples/python/build/image.png
   <W> Logs will be sent to the system's default channel
  /prj/qct/webtech_scratch20/mlg_user_admin/qaisw_source_repo/rel/qairt-2.37.1/point_release/SNPE_SRC/avante-tools/prebuilt/dsp/hexagon-sdk-5.5.5/ipc/fastrpc/rpcmem/src/rpcmem_android.c:42:dummy call to rpcmem_deinit, rpcmem APIs will be used from libxdsprpc

  识别结果

  白日依山尽
  黄河入海流
  欲穷千里目
  更上一层楼
  The sun beyond the mountain glows,
  The Yellow River seawards flows_
  You can enjoy a grander sight,
  By climbing to a greater height。