ncnn_paddleocr

This is a sample paddleocr ncnn android project, it depends on ncnn library and opencv
https://github.com/Tencent/ncnn
https://github.com/nihui/opencv-mobile

convert paddleocr light model to ncnn,you can use it by ncnn.
the infer code you can use chineseocr_lite project.
PS：if you use angle model plz change the input shape dstHeight from 32 to 48

model support

text detection

1.mv3dbnet-sim-op(paddleocr_mobile)
2.pdocrv2.0_det-op(PP-OCRv2)
3.ch_PP-OCRv3_det(PP-OCRv3)
4.ch_PP-OCRv4_det(PP-OCRv4) model

text angle cls

1.angle-sim-op

text recognition

1.mv3rec-sim-op(paddleocr_mobile)
2.pdocrv2.0_rec-op(PP-OCRv2)
3.ch_PP-OCRv3_rec(PP-OCRv3)
4.ch_PP-OCRv4_rec(PP-OCRv4) model

how to build and run

step1

https://github.com/Tencent/ncnn/releases

• Download ncnn-YYYYMMDD-android-vulkan.zip or build ncnn for android yourself
• Extract ncnn-YYYYMMDD-android-vulkan.zip into app/src/main/jni and change the ncnn_DIR path to yours in app/src/main/jni/CMakeLists.txt

step2

https://github.com/nihui/opencv-mobile

• Download opencv-mobile-XYZ-android.zip
• Extract opencv-mobile-XYZ-android.zip into app/src/main/jni and change the OpenCV_DIR path to yours in app/src/main/jni/CMakeLists.txt

step3

• Open this project with Android Studio, build it and enjoy!

screenshot

1.https://github.com/DayBreak-u/chineseocr_lite/tree/onnx/cpp_projects/OcrLiteNcnn
2.https://github.com/frotms/PaddleOCR2Pytorch
3.https://github.com/PaddlePaddle/PaddleOCR#PP-OCRv2
4.https://github.com/nihui/ncnn-android-yolov5
5.https://github.com/PaddlePaddle/PaddleOCR/blob/release/2.5