Spatial-Channel Enhanced Transformer for Visible-Infrared Person Re-Identification
Why this work is in the frame
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Bibliographic record
Abstract
Visible-infrared person re-identification (VI-ReID) is a challenging task in computer vision, aiming at matching people across images from visible and infrared modalities. The widely used VI-ReID framework consists of a convolution neural backbone network that extracts the visual features, and a feature embedding network to project heterogeneous features to the same feature space. However, many studies based on the existing pre-trained models neglect potential correlations between different locations and channels within a single sample during the feature extraction. Inspired by the success of the Transformer in computer vision, we extend it to enhance feature representation for VI-ReID. In this paper, we propose a discriminative feature learning network based on a visual Transformer (DFLN-ViT) for VI-ReID. Firstly, to capture long-term dependencies between different locations, we propose a spatial feature awareness module (SAM), which utilizes a single-layer Transformer with a novel patch-embedding strategy to encode location information. Secondly, to refine the representation at each channel, we design a channel feature enhancement module (CEM). The CEM treats the features of each channel as a sequence of Transformer inputs, taking advantage of the Transformer's ability to model long-term dependencies. Finally, we propose a Triplet-aided Hetero-Center (THC) loss to learn more discriminative feature representation by balancing the cross-modality distance and intra-modality distance of the center. The experimental results on two datasets show that our method can significantly improve the VI-ReID performance, outperforming most state-of-the-art methods.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it