Smaller self-supervised ViTs localize objects better via attention than larger ViTs, enabling A² to decouple localization from feature extraction for competitive performance on distribution-shifted benchmarks.
arXiv preprint arXiv:2212.07143 , year=
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Gromov-Wasserstein distance between modalities provides a stronger, inference-only predictor of final VLM performance than conventional encoder metrics, backed by theory linking it to cross-modal learnability and verified across 60+ training runs.
BiomedCLIP, pretrained on the new 15-million-pair PMC-15M dataset, achieves state-of-the-art performance on diverse biomedical vision-language tasks and even outperforms radiology-specific models on chest X-ray pneumonia detection.
Cross-dataset testing of nearest-neighbor and Mahalanobis anomaly detectors on CLIP, DINOv2, ResNet-50 and EfficientNet embeddings shows same-dataset AUC averaging 0.704 dropping to 0.499 on other datasets, with false-alarm rates around 31,931 per hour at usable operating points.
MetaCLIP curates balanced 400M-pair subsets from CommonCrawl that outperform CLIP data, reaching 70.8% zero-shot ImageNet accuracy on ViT-B versus CLIP's 68.3%.
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$A^2$: Smaller Self-Supervised ViTs Localize Better than Larger Ones
Smaller self-supervised ViTs localize objects better via attention than larger ViTs, enabling A² to decouple localization from feature extraction for competitive performance on distribution-shifted benchmarks.
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Rethinking Model Selection in VLM Through the Lens of Gromov-Wasserstein Distance
Gromov-Wasserstein distance between modalities provides a stronger, inference-only predictor of final VLM performance than conventional encoder metrics, backed by theory linking it to cross-modal learnability and verified across 60+ training runs.
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Benchmark AUC Is Not Deployable Reliability: A Cross-Dataset Audit of Off-the-Shelf Features for Surveillance Video Anomaly Detection
Cross-dataset testing of nearest-neighbor and Mahalanobis anomaly detectors on CLIP, DINOv2, ResNet-50 and EfficientNet embeddings shows same-dataset AUC averaging 0.704 dropping to 0.499 on other datasets, with false-alarm rates around 31,931 per hour at usable operating points.