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Zijia Zhao

7 accepted papers

2025

Efficient Motion-Aware Video MLLM

CVPR 2025highlight

Most current video MLLMs rely on uniform frame sampling and image-level encoders, resulting in inefficient data processing and limited motion awareness. To address these challenges, we introduce EMA, an Efficient Motion-Aware video MLLM that utilizes compressed video structures as inputs. We propose…

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2025

Exploring the Design Space of Visual Context Representation in Video MLLMs

ICLR 2025poster

Video Multimodal Large Language Models~(MLLMs) have shown remarkable capability of understanding the video semantics on various downstream tasks. Despite the advancements, there is still a lack of systematic research on visual context representation, which refers to the scheme to select frames from…

2025

Needle In A Video Haystack: A Scalable Synthetic Evaluator for Video MLLMs

ICLR 2025poster

Video understanding is a crucial next step for multimodal large language models (MLLMs). Various benchmarks are introduced for better evaluating the MLLMs. Nevertheless, current video benchmarks are still inefficient for evaluating video models during iterative development due to the high cost of co…

2024

Beyond Literal Descriptions: Understanding and Locating Open-World Objects Aligned with Human Intentions

ACL 2024findings

Visual grounding (VG) aims at locating the foreground entities that match the given natural language expression. Previous datasets and methods for classic VG task mainly rely on the prior assumption that the given expression must literally refer to the target object, which greatly impedes the practi…

2024

SC-Tune: Unleashing Self-Consistent Referential Comprehension in Large Vision Language Models

CVPR 2024poster

Recent trends in Large Vision Language Models (LVLMs) research have been increasingly focusing on advancing beyond general image understanding towards more nuanced object-level referential comprehension. In this paper we present and delve into the self-consistency capability of LVLMs a crucial aspec…

2023

VAST: A Vision-Audio-Subtitle-Text Omni-Modality Foundation Model and Dataset

NeurIPS 2023poster

Vision and text have been fully explored in contemporary video-text foundational models, while other modalities such as audio and subtitles in videos have not received sufficient attention. In this paper, we resort to establish connections between multi-modality video tracks, including Vision, Audi…