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chineseocr lite android psenet，超轻量级中文ocr android demo，支持竖排文字识别, 支持ncnn推理 ( psenet+anglenet+crnn)

Kotlin 0.85% C++ 93.70% CMake 0.03% C 5.24% Objective-C 0.17%

chocrliteandroidpsenet's Introduction

此版本已停止维护，新版请转到onnx分支版本@gitee，或者onnx分支版本@github

ChOcrLiteAndroidPseNet

APK下载

Gitee下载

介绍

chineseocr lite Android PseNet Demo，超轻量级中文OCR Android Demo，支持竖排文字识别, 支持ncnn推理(PseNet+AngleNet+CRNN)

代码和模型均源自chineseocr lite的master分支

详情请查看 https://github.com/ouyanghuiyu/chineseocr_lite

采用ncnn神经网络前向计算框架https://github.com/Tencent/ncnn

整合了如下算法： PseNet(图像分割)+AngleNet(文字方向检测)+CRNN-LSTM(文字识别)

说明

封装为独立的Library。
Native层以C++编写。
demo app以Kotlin-JVM编写。
内置的ncnn预编译库版本ncnn-android-lib.zip 20200916 b766c8c
内置的opencv动态库版本opencv-3.4.10-android-sdk.zip

编译说明

AndroidStudio 4.0.2或以上
NDK
cmake 3.4.1或以上

master分支DBNet版本

ChOcrLiteAndroidDBNet

Android各版本区别(仅供参考)

模型总大小对比：未压缩的情况下，PseNet版(27.3M) > DBNet版(23M) > onnx版(4.72M)。
PseNet与DBNet版本仅图像分割的算法不同，文字方向检测与文字识别部分完全相同。分割速度方面，DBNet版本稍微快一点点，分割效果方面，PseNet效果稍好一点点。

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