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Extending the generation horizon of video diffusion models to long sequences remains a long-standing and important challenge. Existing training-free approaches fall into two categories: extensions of bidirectional models, which are tightly…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Jangho Park , Geon Yeong Park , Gihyun Kwon , Jong Chul Ye

Since first proposed, Video Instance Segmentation(VIS) task has attracted vast researchers' focus on architecture modeling to boost performance. Though great advances achieved in online and offline paradigms, there are still insufficient…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Wenhe Jia , Lu Yang , Zilong Jia , Wenyi Zhao , Yilin Zhou , Qing Song

Video-language pre-training has advanced the performance of various downstream video-language tasks. However, most previous methods directly inherit or adapt typical image-language pre-training paradigms to video-language pre-training, thus…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Qinghao Ye , Guohai Xu , Ming Yan , Haiyang Xu , Qi Qian , Ji Zhang , Fei Huang

This paper presents TCE: Temporally Coherent Embeddings for self-supervised video representation learning. The proposed method exploits inherent structure of unlabeled video data to explicitly enforce temporal coherency in the embedding…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Joshua Knights , Ben Harwood , Daniel Ward , Anthony Vanderkop , Olivia Mackenzie-Ross , Peyman Moghadam

Pretrained video diffusion models provide powerful spatiotemporal generative priors, making them a natural foundation for robotic world models. While recent world-action models jointly optimize future videos and actions, they predominantly…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Zhaoyang Yang , Yurun Jin , Lizhe Qi , Cong Huang , Kai Chen

Reasoning-oriented language models typically expose explicit reasoning as a long, front-loaded chain of "thinking" tokens before the main output, either always enabled or externally toggled at inference time. Although this can help on…

机器学习 · 计算机科学 2026-05-05 Susmit Das

Token-level steering has emerged as a pivotal approach for inference-time alignment, enabling fine grained control over large language models by modulating their output distributions without parameter updates. While effective, existing…

计算与语言 · 计算机科学 2026-02-26 Runyi Hu , Jie Zhang , Shiqian Zhao , Jiale Meng , Jiwei Li , Jason Zeng , Ming Wu , Michael Heinrich , Yonggang Wen , Tianwei Zhang

Temporal grounding aims to predict a time interval of a video clip corresponding to a natural language query input. In this work, we present EVOQUER, a temporal grounding framework incorporating an existing text-to-video grounding model and…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Yanjun Gao , Lulu Liu , Jason Wang , Xin Chen , Huayan Wang , Rui Zhang

Spatio-temporal compression of videos, utilizing networks such as Variational Autoencoders (VAE), plays a crucial role in OpenAI's SORA and numerous other video generative models. For instance, many LLM-like video models learn the…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Sijie Zhao , Yong Zhang , Xiaodong Cun , Shaoshu Yang , Muyao Niu , Xiaoyu Li , Wenbo Hu , Ying Shan

Representation learning on static graph-structured data has shown a significant impact on many real-world applications. However, less attention has been paid to the evolving nature of temporal networks, in which the edges are often changing…

机器学习 · 计算机科学 2021-08-24 Jing Ma , Qiuchen Zhang , Jian Lou , Li Xiong , Joyce C. Ho

Humans typically perceive the establishment of an action in a video through the interaction between an actor and the surrounding environment. An action only starts when the main actor in the video begins to interact with the environment,…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Khoa Vo , Hyekang Joo , Kashu Yamazaki , Sang Truong , Kris Kitani , Minh-Triet Tran , Ngan Le

The difficulty of extracting deep features from EEG data and effectively integrating information from multiple views presents significant challenges for developing a generalizable pretraining framework for EEG representation learning.…

机器学习 · 计算机科学 2025-06-23 Puchun Liu , C. L. Philip Chen , Yubin He , Tong Zhang

Pre-trained on tremendous image-text pairs, vision-language models like CLIP have demonstrated promising zero-shot generalization across numerous image-based tasks. However, extending these capabilities to video tasks remains challenging…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Zichen Liu , Kunlun Xu , Bing Su , Xu Zou , Yuxin Peng , Jiahuan Zhou

Accurate and efficient modeling of agent interactions is essential for trajectory generation, the core of autonomous driving systems. Existing methods, scene-centric, agent-centric, and query-centric frameworks, each present distinct…

机器人学 · 计算机科学 2025-03-20 Jianbo Zhao , Taiyu Ban , Zhihao Liu , Hangning Zhou , Xiyang Wang , Qibin Zhou , Hailong Qin , Mu Yang , Lei Liu , Bin Li

Efficient spatiotemporal modeling is an important yet challenging problem for video action recognition. Existing state-of-the-art methods exploit neighboring feature differences to obtain motion clues for short-term temporal modeling with a…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Haisheng Su , Kunchang Li , Jinyuan Feng , Dongliang Wang , Weihao Gan , Wei Wu , Yu Qiao

In machine learning, effective modeling requires a holistic consideration of how to encode inputs, make predictions (i.e., decoding), and train the model. However, in time-series forecasting, prior work has predominantly focused on encoder…

机器学习 · 计算机科学 2025-12-30 Jaebin Lee , Hankook Lee

Text-to-Video (T2V) models are capable of synthesizing high-quality, temporally coherent dynamic video content, but the diverse generation also inherently introduces critical safety challenges. Existing safety evaluation methods,which focus…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Jiaming He , Guanyu Hou , Hongwei Li , Zhicong Huang , Kangjie Chen , Yi Yu , Wenbo Jiang , Guowen Xu , Tianwei Zhang

Transformers rely on positional encoding to compensate for the inherent permutation invariance of self-attention. Traditional approaches use absolute sinusoidal embeddings or learned positional vectors, while more recent methods emphasize…

机器学习 · 计算机科学 2025-11-18 Chase van de Geijn , Ayush Paliwal , Timo Lüddecke , Alexander S. Ecker

Recently, deep learning approach, especially deep Convolutional Neural Networks (ConvNets), have achieved overwhelming accuracy with fast processing speed for image classification. Incorporating temporal structure with deep ConvNets for…

计算机视觉与模式识别 · 计算机科学 2015-11-12 Pingbo Pan , Zhongwen Xu , Yi Yang , Fei Wu , Yueting Zhuang

Diffusion Transformers (DiTs) can generate short photorealistic videos, yet directly training and sampling longer videos with full attention across the video remains computationally challenging. Alternative methods break long videos down…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Bhishma Dedhia , David Bourgin , Krishna Kumar Singh , Yuheng Li , Yan Kang , Zhan Xu , Niraj K. Jha , Yuchen Liu