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A Comprehensive Study on Cross-View Gait Based Human Idendification with Deep CNNs

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Cross-View Gait Based Human Idendification with Deep CNNs

A pytorch implementation of the Local-Bottom Network (LB) in the paper:

Wu, Zifeng, et al. "A comprehensive study on cross-view gait based human identification with deep cnns." IEEE transactions on pattern analysis and machine intelligence 39.2 (2017): 209-226.

Dependency

Model

  • In src/model.py there are two models: LBNet and LBNet_1. LBNet_1 is more close to the model described in the section 4.2.1 of the original paper. You can select either one. The results are close to each other.

Training

  • To train the model, put the CASIA-B dataset silhoutte data under repository
  • mkdir snapshot to build the directory for saving models
  • goto the src dir and run
python3 train.py

The model will be saved into the execution dir every 10000 iterations. You can change the interval in train.py.

Monitor the performance

  • Install visdom.
  • Start the visdom server with python3 -m visdom.server -port 5274 or any port you like (change the port in train.py and test.py)
  • Open this URL in your browser: http://localhost:5274 You will see the training loss curve and the validation accuracy curve.

Testing

  • goto src dir and run python3 test.py. You can select which snapshot to use by modifying the checkpoint = th.load('../snapshot/snapshot_75000.pth') to other snapshots. Be patient since it takes a long time. The computed similarities will be saved into similarity.npy
  • run python3 compute_acc_per_angle to compute the accuracy for each prove view and gallery view. The results will be saved into acc_table.csv

You will get a table like this.

LBNet

table

LBNet_1

table1

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