Object Referring-Guided Scanpath Prediction with Perception-Enhanced Vision-Language Models

• URL: http://arxiv.org/abs/2604.20361v1
• Date: Wed, 22 Apr 2026 09:00:51 GMT
• Title: Object Referring-Guided Scanpath Prediction with Perception-Enhanced Vision-Language Models
• Abstract summary: Object Referring-guided Scanpath Prediction (ORSP) aims to predict the human attention scanpath when they search for a specific target object in a visual scene according to a linguistic description describing the object.<n>We propose a novel model, ScanVLA, to first exploit a Vision-Language Model (VLM) to extract and fuse inherently aligned visual and linguistic feature representations from the input image and referring expression.<n>We show that ScanVLA can significantly outperform existing scanpath prediction methods under object referring.
• Score: 36.22966775131642
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Object Referring-guided Scanpath Prediction (ORSP) aims to predict the human attention scanpath when they search for a specific target object in a visual scene according to a linguistic description describing the object. Multimodal information fusion is a key point of ORSP. Therefore, we propose a novel model, ScanVLA, to first exploit a Vision-Language Model (VLM) to extract and fuse inherently aligned visual and linguistic feature representations from the input image and referring expression. Next, to enhance the ScanVLA's perception of fine-grained positional information, we not only propose a novel History Enhanced Scanpath Decoder (HESD) that directly takes historical fixations' position information as input to help predict a more reasonable position for the current fixation, but also adopt a frozen Segmentation LoRA as an auxiliary component to help localize the referred object more precisely, which improves the scanpath prediction task without incurring additional large computational and time costs. Extensive experimental results demonstrate that ScanVLA can significantly outperform existing scanpath prediction methods under object referring.

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