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PaddlePaddle/
PP-LCNet_x1_0_doc_ori_onnx

Name: PP-LCNet_x1_0_doc_ori_onnx
Availability: InStock

doc_img_orientation_classification

image-to-text

apache-2.0

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PP-LCNet_x1_0_doc_ori

Introduction

The Document Image Orientation Classification Module is primarily designed to distinguish the orientation of document images and correct them through post-processing. During processes such as document scanning or ID photo capturing, the device might be rotated to achieve clearer images, resulting in images with various orientations. Standard OCR pipelines may not handle these images effectively. By leveraging image classification techniques, the orientation of documents or IDs containing text regions can be pre-determined and adjusted, thereby improving the accuracy of OCR processing. The key accuracy metrics are as follow:

Model	Recognition Avg Accuracy(%)	Model Storage Size (M)	Introduction
PP-LCNet_x1_0_doc_ori	99.06	7	A document image classification model based on PP-LCNet_x1_0, with four categories: 0°, 90°, 180°, and 270°.

Model Usage

Install Dependencies

shell

pip install -U paddleocr
pip install -U onnxruntime-gpu

CLI Usage

paddleocr doc_img_orientation_classification -i ./demo.jpg --model_name PP-LCNet_x1_0_doc_ori --engine onnxruntime

Python API Usage

python

from paddleocr import DocImgOrientationClassification

model = DocImgOrientationClassification(
    model_name="PP-LCNet_x1_0_doc_ori",
    engine="onnxruntime",
)
output = model.predict("./demo.jpg", batch_size=1)
for res in output:
    res.print()
    res.save_to_json(save_path="./output/res.json")

PaddlePaddle/PP-LCNet_x1_0_doc_ori_onnx