中文
相关论文

相关论文: VTok: A Unified Video Tokenizer with Decoupled Spa…

200 篇论文

In this paper, we introduce a novel visual representation learning which relies on a handful of adaptively learned tokens, and which is applicable to both image and video understanding tasks. Instead of relying on hand-designed splitting…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Michael S. Ryoo , AJ Piergiovanni , Anurag Arnab , Mostafa Dehghani , Anelia Angelova

A great challenge in video-language (VidL) modeling lies in the disconnection between fixed video representations extracted from image/video understanding models and downstream VidL data. Recent studies try to mitigate this disconnection…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Tsu-Jui Fu , Linjie Li , Zhe Gan , Kevin Lin , William Yang Wang , Lijuan Wang , Zicheng Liu

This paper presents ViTOC (Vision Transformer and Object-aware Captioner), a novel vision-language model for image captioning that addresses the challenges of accuracy and diversity in generated descriptions. Unlike conventional approaches,…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Feiyang Huang

Video Temporal Grounding (VTG) aims to identify visual frames in a video clip that match text queries. Recent studies in VTG employ cross-attention to correlate visual frames and text queries as individual token sequences. However, these…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Jongbhin Woo , Hyeonggon Ryu , Youngjoon Jang , Jae Won Cho , Joon Son Chung

Tokenizer, serving as a translator to map the intricate visual data into a compact latent space, lies at the core of visual generative models. Based on the finding that existing tokenizers are tailored to image or video inputs, this paper…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Junke Wang , Yi Jiang , Zehuan Yuan , Binyue Peng , Zuxuan Wu , Yu-Gang Jiang

This paper introduces VideoScan, an efficient vision-language model (VLM) inference framework designed for real-time video interaction that effectively comprehends and retains streamed video inputs while delivering rapid and accurate…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Ruanjun Li , Yuedong Tan , Yuanming Shi , Jiawei Shao

Unified models aim to support both understanding and generation by encoding images into discrete tokens and processing them alongside text within a single autoregressive framework. This unified design offers architectural simplicity and…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Ziyao Wang , Chen Chen , Jingtao Li , Weiming Zhuang , Jiabo Huang , Ang Li , Lingjuan Lyu

Video Language Models (VideoLMs) enable AI systems to understand temporal dynamics in videos. To fit within the maximum context window constraint, current methods use keyframe sampling which often misses both macro-level events and…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Sayan Deb Sarkar , Rémi Pautrat , Ondrej Miksik , Marc Pollefeys , Iro Armeni , Mahdi Rad , Mihai Dusmanu

The fundamental challenge in scaling Video Large Language Models (Video LLMs) to long-form video lies in managing the explosion of visual-token context length. Existing strategies predominantly focus on "post-hoc" token reduction --…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Jihwan Kim , Nikhil Parthasarathy , Danfeng Qin , Junhwa Hur , Deqing Sun , Bohyung Han , Ming-Hsuan Yang , Boqing Gong

Existing state-of-the-art image tokenization methods leverage diverse semantic features from pre-trained vision models for additional supervision, to expand the distribution of latent representations and thereby improve the quality of image…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Xuan Zhao , Zhongyu Zhang , Yuge Huang , Yuxi Mi , Guodong Mu , Shouhong Ding , Jun Wang , Rizen Guo , Shuigeng Zhou

Tokenized visual representations have shown promise in image compression, yet their extension to video remains underexplored due to the challenges posed by complex temporal dynamics and stringent bit rate constraints. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2025-11-20 Lebin Zhou , Cihan Ruan , Nam Ling , Zhenghao Chen , Wei Wang , Wei Jiang

Text-to-video generation poses significant challenges due to the inherent complexity of video data, which spans both temporal and spatial dimensions. It introduces additional redundancy, abrupt variations, and a domain gap between language…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Ziqin Zhou , Yifan Yang , Yuqing Yang , Tianyu He , Houwen Peng , Kai Qiu , Qi Dai , Lili Qiu , Chong Luo , Lingqiao Liu

Video understanding relies on perceiving the global content and modeling its internal connections (e.g., causality, movement, and spatio-temporal correspondence). To learn these interactions, we apply a mask-then-predict pre-training task…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Hao Tan , Jie Lei , Thomas Wolf , Mohit Bansal

Recent advances in Video Large Language Models (VLLMs) have achieved remarkable video understanding capabilities, yet face critical efficiency bottlenecks due to quadratic computational growth with lengthy visual token sequences of long…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Yulin Li , Haokun Gui , Ziyang Fan , Junjie Wang , Bin Kang , Bin Chen , Zhuotao Tian

Recent advancements in generative models have highlighted the crucial role of image tokenization in the efficient synthesis of high-resolution images. Tokenization, which transforms images into latent representations, reduces computational…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Qihang Yu , Mark Weber , Xueqing Deng , Xiaohui Shen , Daniel Cremers , Liang-Chieh Chen

Video tokenization procedure is critical for a wide range of video processing tasks. Most existing approaches directly transform video into fixed-grid and patch-wise tokens, which exhibit limited versatility. Spatially, uniformly allocating…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Zhenghao Chen , Zicong Chen , Lei Liu , Yiming Wu , Dong Xu

Spatio-Temporal video grounding (STVG) focuses on retrieving the spatio-temporal tube of a specific object depicted by a free-form textual expression. Existing approaches mainly treat this complicated task as a parallel frame-grounding…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yang Jin , Yongzhi Li , Zehuan Yuan , Yadong Mu

Video transformers have achieved impressive results on major video recognition benchmarks, which however suffer from high computational cost. In this paper, we present STTS, a token selection framework that dynamically selects a few…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Junke Wang , Xitong Yang , Hengduo Li , Li Liu , Zuxuan Wu , Yu-Gang Jiang

Obtaining the human-like perception ability of abstracting visual concepts from concrete pixels has always been a fundamental and important target in machine learning research fields such as disentangled representation learning and scene…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Tao Yang , Yuwang Wang , Yan Lu , Nanning Zheng

Video Temporal Grounding (VTG) aims to localize the video segment that corresponds to a natural language query, which requires a comprehensive understanding of complex temporal dynamics. Existing Vision-LMMs typically perceive temporal…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Chaohong Guo , Yihan He , Yongwei Nie , Fei Ma , Xuemiao Xu , Chengjiang Long