PP-ShiTu: A Practical Lightweight Image Recognition System

• URL: http://arxiv.org/abs/2111.00775v1
• Date: Mon, 1 Nov 2021 09:04:54 GMT
• Title: PP-ShiTu: A Practical Lightweight Image Recognition System
• Authors: Shengyu Wei, Ruoyu Guo, Cheng Cui, Bin Lu, Shuilong Dong, Tingquan Gao, Yuning Du, Ying Zhou, Xueying Lyu, Qiwen Liu, Xiaoguang Hu, Dianhai Yu, Yanjun Ma
• Abstract summary: We propose a practical lightweight image recognition system, named PP-ShiTu, consisting of the following 3 modules. We introduce popular strategies including metric learning, deep hash, knowledge distillation and model quantization to improve accuracy and inference speed. Experiments on different datasets and benchmarks show that the system is widely effective in different domains of image recognition.
• Score: 5.400569330093269
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In recent years, image recognition applications have developed rapidly. A large number of studies and techniques have emerged in different fields, such as face recognition, pedestrian and vehicle re-identification, landmark retrieval, and product recognition. In this paper, we propose a practical lightweight image recognition system, named PP-ShiTu, consisting of the following 3 modules, mainbody detection, feature extraction and vector search. We introduce popular strategies including metric learning, deep hash, knowledge distillation and model quantization to improve accuracy and inference speed. With strategies above, PP-ShiTu works well in different scenarios with a set of models trained on a mixed dataset. Experiments on different datasets and benchmarks show that the system is widely effective in different domains of image recognition. All the above mentioned models are open-sourced and the code is available in the GitHub repository PaddleClas on PaddlePaddle.

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