3 papers
cs.IR2026
Coverage Matters: MarginMerge for Compressing Multi-Vector Visual Document Retrievers
Ailar Mahdizadeh, Aria Salari, Sohail Rajabi +3
Multi-vector visual document retrievers such as ColPali and ColQwen achieve strong retrieval by storing fine-grained patch embeddings, but this produces large indexes and costly la…
cs.CV2026
Shallow- and Deep-fake Image Manipulation Localization Using Vision Mamba and Guided Graph Neural Network
Junbin Zhang, Hamid Reza Tohidypour, Yixiao Wang +1
Image manipulation localization is a critical research task, given that forged images may have a significant societal impact of various aspects. Such image manipulations can be pro…
cs.CV2025
SCALE-VLP: Soft-Weighted Contrastive Volumetric Vision-Language Pre-training with Spatial-Knowledge Semantics
Ailar Mahdizadeh, Puria Azadi Moghadam, Xiangteng He +3
Vision-language models (VLMs) have demonstrated strong cross-modal capabilities, yet most work remains limited to 2D data and assumes binary supervision (i.e., positive vs. negativ…