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Multimodal Large Language Models (MLLMs) have achieved impressive progress in vision-language alignment, yet they remain limited in visual-spatial reasoning. We first identify that this limitation arises from the attention mechanism: visual…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Zhaozhi Wang , Tong Zhang , Mingyue Guo , Yaowei Wang , Qixiang Ye

Video transformer models require huge amounts of compute resources due to the spatio-temporal scaling of the input. Tackling this, recent methods have proposed to drop or merge tokens for image models, whether randomly or via learned…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Sam Pollard , Michael Wray

Large language models have demonstrated impressive universal capabilities across a wide range of open-ended tasks and have extended their utility to encompass multimodal conversations. However, existing methods encounter challenges in…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Peng Jin , Ryuichi Takanobu , Wancai Zhang , Xiaochun Cao , Li Yuan

Video-language pre-training is crucial for learning powerful multi-modal representation. However, it typically requires a massive amount of computation. In this paper, we develop SMAUG, an efficient pre-training framework for video-language…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Yuanze Lin , Chen Wei , Huiyu Wang , Alan Yuille , Cihang Xie

Large Language Models (LLMs) have been widely used in various tasks, motivating us to develop an LLM-based assistant for videos. Instead of training from scratch, we propose a module to transform arbitrary well-trained image-based LLMs into…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Lishuai Gao , Yujie Zhong , Yingsen Zeng , Haoxian Tan , Dengjie Li , Zheng Zhao

Text-to-video diffusion models have enabled high-quality video synthesis, yet often fail to generate temporally coherent and physically plausible motion. A key reason is the models' insufficient understanding of complex motions that natural…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Aritra Bhowmik , Denis Korzhenkov , Cees G. M. Snoek , Amirhossein Habibian , Mohsen Ghafoorian

Vision-language models bridge visual and linguistic understanding and have proven to be powerful for video recognition tasks. Existing approaches primarily rely on parameter-efficient fine-tuning of image-text pre-trained models, yet they…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Wencheng Zhu , Yuexin Wang , Hongxuan Li , Pengfei Zhu , Qinghua Hu

CNN-LSTM based architectures have played an important role in image captioning, but limited by the training efficiency and expression ability, researchers began to explore the CNN-Transformer based models and achieved great success.…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Yiyu Wang , Jungang Xu , Yingfei Sun

Foundational models are able to generate text outputs given prompt instructions and text, audio, or image inputs. Recently these models have been combined to perform tasks on video, such as video summarization. Such video foundation models…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Karan Samel , Apoorva Beedu , Nitish Sontakke , Irfan Essa

This paper presents SimVTP: a Simple Video-Text Pretraining framework via masked autoencoders. We randomly mask out the spatial-temporal tubes of input video and the word tokens of input text and then feed them into a unified autencoder to…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Yue Ma , Tianyu Yang , Yin Shan , Xiu Li

Multimodal deep learning systems which employ multiple modalities like text, image, audio, video, etc., are showing better performance in comparison with individual modalities (i.e., unimodal) systems. Multimodal machine learning involves…

机器学习 · 计算机科学 2022-01-19 Anil Rahate , Rahee Walambe , Sheela Ramanna , Ketan Kotecha

In video generation models, particularly world models, training large-scale video diffusion Transformers (such as DiT and MMDiT) poses significant computational challenges due to the extreme variance in sequence lengths within mixed-mode…

分布式、并行与集群计算 · 计算机科学 2026-05-19 Yucheng Guo , Yongjian Guo , Zhong Guan , Haoran Sun , Wen Huang , Wanting Xu , Jing Long , Shuai Di , Junwu Xiong

Egocentric temporal action segmentation in videos is a crucial task in computer vision with applications in various fields such as mixed reality, human behavior analysis, and robotics. Although recent research has utilized advanced…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Sakib Reza , Balaji Sundareshan , Mohsen Moghaddam , Octavia Camps

Video-and-language understanding has a variety of applications in the industry, such as video question answering, text-video retrieval, and multi-label classification. Existing video-and-language understanding methods generally adopt heavy…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Jiaqi Xu , Bo Liu , Yunkuo Chen , Mengli Cheng , Xing Shi

Video-and-language pre-training has shown promising improvements on various downstream tasks. Most previous methods capture cross-modal interactions with a transformer-based multimodal encoder, not fully addressing the misalignment between…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Dongxu Li , Junnan Li , Hongdong Li , Juan Carlos Niebles , Steven C. H. Hoi

With the advancement of language models, unified multimodal understanding and generation have made significant strides, with model architectures evolving from separated components to unified single-model frameworks. This paper explores an…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Yicheng Xiao , Lin Song , Rui Yang , Cheng Cheng , Zunnan Xu , Zhaoyang Zhang , Yixiao Ge , Xiu Li , Ying Shan

Recent Transformer-based large-scale pre-trained models have revolutionized vision-and-language (V+L) research. Models such as ViLBERT, LXMERT and UNITER have significantly lifted state of the art across a wide range of V+L benchmarks with…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Jize Cao , Zhe Gan , Yu Cheng , Licheng Yu , Yen-Chun Chen , Jingjing Liu

We describe a method to jointly pre-train speech and text in an encoder-decoder modeling framework for speech translation and recognition. The proposed method incorporates four self-supervised and supervised subtasks for cross modality…

The increasing availability of multimodal data across text, tables, and images presents new challenges for developing models capable of complex cross-modal reasoning. Existing methods for Multimodal Multi-hop Question Answering (MMQA) often…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Qi Zhi Lim , Chin Poo Lee , Kian Ming Lim , Kalaiarasi Sonai Muthu Anbananthen

We present UniMotion, to our knowledge the first unified framework for simultaneous understanding and generation of human motion, natural language, and RGB images within a single architecture. Existing unified models handle only restricted…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Ziyi Wang , Xinshun Wang , Shuang Chen , Yang Cong , Mengyuan Liu