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Self-generated counterfactual explanations (SCEs) are minimally modified inputs (minimality) generated by large language models (LLMs) that flip their own predictions (validity), offering a causally grounded approach to unraveling black-box…

计算与语言 · 计算机科学 2026-05-13 Yilong Wang , Qianli Wang , Bohao Chu , Yihong Liu , Jing Yang , Simon Ostermann

A reliable and comprehensive evaluation metric that aligns with manual preference assessments is crucial for conversational head video synthesis methods development. Existing quantitative evaluations often fail to capture the full…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Mohan Zhou , Yalong Bai , Wei Zhang , Ting Yao , Tiejun Zhao , Tao Mei

Recent advances in text-to-video (T2V) generation have achieved good visual quality, yet synthesizing videos that faithfully follow physical laws remains an open challenge. Existing methods mainly based on graphics or prompt extension…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Yuanhao Cai , Kunpeng Li , Menglin Jia , Jialiang Wang , Junzhe Sun , Feng Liang , Weifeng Chen , Felix Juefei-Xu , Chu Wang , Ali Thabet , Xiaoliang Dai , Xuan Ju , Alan Yuille , Ji Hou

Current multimodal models often suffer from shallow reasoning, leading to errors caused by incomplete or inconsistent thought processes. To address this limitation, we propose Self-Verification and Self-Rectification (SVSR), a unified…

人工智能 · 计算机科学 2026-05-29 Zhe Qian , Nianbing Su , Zhonghua Wang , Hebei Li , Zhongxing Xu , Yueying Li , Fei Luo , Zhuohan Ouyang , Yanbiao Ma

Recent text-to-video (T2V) diffusion models have made remarkable progress in generating high-quality videos. However, they often struggle to align with complex text prompts, particularly when multiple objects, attributes, or spatial…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Daeun Lee , Jaehong Yoon , Jaemin Cho , Mohit Bansal

Video generation techniques have achieved remarkable advancements in visual quality, yet faithfully reproducing real-world physics remains elusive. Preference-based model post-training may improve physical consistency, but requires costly…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Wenxu Qian , Chaoyue Wang , Hou Peng , Zhiyu Tan , Hao Li , Anxiang Zeng

Natural videos provide rich visual contents for self-supervised learning. Yet most existing approaches for learning spatio-temporal representations rely on manually trimmed videos, leading to limited diversity in visual patterns and limited…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Zhiwu Qing , Shiwei Zhang , Ziyuan Huang , Yi Xu , Xiang Wang , Mingqian Tang , Changxin Gao , Rong Jin , Nong Sang

Reward design in reinforcement learning and optimal control is challenging. Preference-based alignment addresses this by enabling agents to learn rewards from ranked trajectory pairs provided by humans. However, existing methods often…

机器学习 · 计算机科学 2025-05-29 Zhixian Xie , Haode Zhang , Yizhe Feng , Wanxin Jin

Reasoning over dynamic visual content remains a central challenge for multimodal large language models. Recent thinking models generate explicit reasoning traces for interpretability; however, their reasoning often appears convincing while…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Muhammad Maaz , Hanoona Rasheed , Fahad Shahbaz Khan , Salman Khan

Sequential recommendation addresses the issue of preference drift by predicting the next item based on the user's previous behaviors. Recently, a promising approach using contrastive learning has emerged, demonstrating its effectiveness in…

信息检索 · 计算机科学 2023-08-08 Dongjun Lee , Donggeun Ko , Jaekwang Kim

As the micro-video apps become popular, the numbers of micro-videos and users increase rapidly, which highlights the importance of micro-video recommendation. Although the micro-video recommendation can be naturally treated as the…

信息检索 · 计算机科学 2022-08-11 Yisong Yu , Beihong Jin , Jiageng Song , Beibei Li , Yiyuan Zheng , Wei Zhu

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

While recent multimodal models have shown progress in vision-language tasks, small-scale variants still struggle with the fine-grained temporal reasoning required for video understanding. We introduce ReasonAct, a method that enhances video…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Jiaxin Liu , Zhaolu Kang

Recent advances in image-to-video (I2V) generation have achieved remarkable progress in synthesizing high-quality, temporally coherent videos from static images. Among all the applications of I2V, human-centric video generation includes a…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Liao Shen , Wentao Jiang , Yiran Zhu , Jiahe Li , Tiezheng Ge , Zhiguo Cao , Bo Zheng

Nowadays, reading or writing comments on captivating videos has emerged as a critical part of the viewing experience on online video platforms. However, existing recommender systems primarily focus on users' interaction behaviors with…

信息检索 · 计算机科学 2025-07-24 Bowen Zheng , Zihan Lin , Enze Liu , Chen Yang , Enyang Bai , Cheng Ling , Wayne Xin Zhao , Ji-Rong Wen

Aligning text-to-video diffusion models with human preferences is crucial for generating high-quality videos. Existing Direct Preference Otimization (DPO) methods rely on multi-sample ranking and task-specific critic models, which is…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Zitong Huang , Kaidong Zhang , Yukang Ding , Chao Gao , Rui Ding , Ying Chen , Wangmeng Zuo

While large-scale datasets have driven significant progress in Text-to-Video (T2V) generative models, these models remain highly sensitive to input prompts, demonstrating that prompt design is critical to generation quality. Current methods…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zillur Rahman , Alex Sheng , Cristian Meo

Benefiting from pre-trained text-to-image (T2I) diffusion models, real-world image super-resolution (Real-ISR) methods can synthesize rich and realistic details. However, due to the inherent stochasticity of T2I models, different noise…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Rongyuan Wu , Lingchen Sun , Zhengqiang Zhang , Shihao Wang , Tianhe Wu , Qiaosi Yi , Shuai Li , Lei Zhang

Diffusion Models have revolutionized the field of human motion generation by offering exceptional generation quality and fine-grained controllability through natural language conditioning. Their inherent stochasticity, that is the ability…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Massimiliano Pappa , Luca Collorone , Giovanni Ficarra , Indro Spinelli , Fabio Galasso

Recent advancements in video-audio joint generation have achieved remarkable success in semantic correspondence. However, achieving precise temporal synchronization, which requires fine-grained alignment between audio events and their…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Xin Cheng , Xihua Wang , Ying Ba , Yuyue Wang , Kaisi Guan , Yinbo Wang , Wenpu Li , Ruihua Song