Author

Dipit Saha

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Preprint Aug 2026

Zero-Shot Traffic Accident Detection via a Coarse-to-Fine VLM-Tracking Pipeline

A training-free, two-pass coarse-to-fine pipeline that pairs a frozen Qwen3-VL-32B-Instruct vision-language model with YOLO11x object detection and BoT-SORT tracking, which achieves a three-way harmonic mean score of 0.504, surpassing all organizer-published baselines including the best multi-model ensemble by a 22% re...

Dipit Saha, Shahruz Mannan, Mohammad Raihan Rashid et al. · 0 citations

Jul 2026

AffectFuse: Cross-Task Feature Fusion with Temporal Modeling for Multi-Task Affective Behavior Analysis

This work presents a system for the Multi-Task Learning (MTL) track of the 11th Affective Behavior Analysis in-the-wild (ABAW) competition on s-Aff-Wild2, the static selected-frame version of Aff-Wild2, showing that post-encoder adaptation and task-wise modeling choices provide a strong MTL pipeline without training a...

Dipit Saha, Mohammad Raihan Rashid, Shahruz Mannan et al. · arXiv.org · 0 citations