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PyTorch implementation of bilinear CNN for fine-grained image recognition
License: GNU General Public License v3.0
This project forked from haomood/bilinear-cnn
PyTorch implementation of bilinear CNN for fine-grained image recognition
License: GNU General Public License v3.0
Bilinear CNN (B-CNN) for Fine-grained recognition DESCRIPTIONS After getting the deep descriptors of an image, bilinear pooling computes the sum of the outer product of those deep descriptors. Bilinear pooling captures all pairwise descriptor interactions, i.e., interactions of different part, in a translational invariant manner. B-CNN provides richer representations than linear models, and B-CNN achieves better performance than part-based fine-grained models with no need for further part annotation. Please note that this repo is relative old, which is writen in PyTorch 0.3.0. If you are using newer version of PyTorch (say, >=0.4.0), it is suggested to consider using this repo https://github.com/HaoMood/blinear-cnn-faster instead. REFERENCE T.-Y. Lin, A. RoyChowdhury, and S. Maji. Bilinear CNN models for fine-grained visual recognition. In Proceedings of the IEEE International Conference on Computer Vision, pages 1449--1457, 2015. PREREQUIREMENTS Python3.6 with Numpy supported PyTorch LAYOUT ./data/ # Datasets ./doc/ # Automatically generated documents ./src/ # Source code USAGE Step 1. Fine-tune the fc layer only. It gives 76.77% test set accuracy. $ CUDA_VISIBLE_DEVICES=0,1,2,3 ./src/bilinear_cnn_fc.py --base_lr 1.0 \ --batch_size 64 --epochs 55 --weight_decay 1e-8 \ | tee "[fc-] base_lr_1.0-weight_decay_1e-8-epoch_.log" Step 2. Fine-tune all layers. It gives 84.17% test set accuracy. $ CUDA_VISIBLE_DEVICES=0,1,2,3 ./src/bilinear_cnn_all.py --base_lr 1e-2 \ --batch_size 64 --epochs 25 --weight_decay 1e-5 \ --model "model.pth" \ | tee "[all-] base_lr_1e-2-weight_decay_1e-5-epoch_.log" AUTHOR Hao Zhang: [email protected] LICENSE CC BY-SA 3.0
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