Features for Multi-target Multi-camera Tracking and Re-identification

Multi-Target Multi-Camera Tracking (MTMCT) tracks many people through video taken from several cameras. Person Re-Identification (Re-ID) retrieves from a gallery images of people similar to a person query image. We learn good features for both MTMCT and Re-ID with a convolutional neural network. Our...

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Bibliographic Details
Published in:2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition pp. 6036 - 6046
Main Authors: Ristani, Ergys, Tomasi, Carlo
Format: Conference Proceeding
Language:English
Published: IEEE 01.06.2018
Subjects:
Benchmark testing
Cameras
Correlation
Detectors
Feature extraction
Training
Trajectory
ISSN:1063-6919
Online Access:Get full text
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Summary:Multi-Target Multi-Camera Tracking (MTMCT) tracks many people through video taken from several cameras. Person Re-Identification (Re-ID) retrieves from a gallery images of people similar to a person query image. We learn good features for both MTMCT and Re-ID with a convolutional neural network. Our contributions include an adaptive weighted triplet loss for training and a new technique for hard-identity mining. Our method outperforms the state of the art both on the DukeMTMC benchmarks for tracking, and on the Market-1501 and DukeMTMC-ReID benchmarks for Re-ID. We examine the correlation between good Re-ID and good MTMCT scores, and perform ablation studies to elucidate the contributions of the main components of our system. Code is available1.
ISSN:1063-6919
DOI:10.1109/CVPR.2018.00632