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Current Video Large Language Models (Video LLMs) typically encode frames via a vision encoder and employ an autoregressive (AR) LLM for understanding and generation. However, this AR paradigm inevitably faces a dual efficiency bottleneck:…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Zhihao He , Tieyuan Chen , Kangyu Wang , Ziran Qin , Yang Shao , Chaofan Gan , Shijie Li , Zuxuan Wu , Weiyao Lin

Recent progress in 3D scene understanding enables scalable learning of representations across large datasets of diverse scenes. As a consequence, generalization to unseen scenes and objects, rendering novel views from just a single or a…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Allan Jabri , Sjoerd van Steenkiste , Emiel Hoogeboom , Mehdi S. M. Sajjadi , Thomas Kipf

Discriminative classifiers have become a foundational tool in deep learning for medical imaging, excelling at learning separable features of complex data distributions. However, these models often need careful design, augmentation, and…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Gian Mario Favero , Parham Saremi , Emily Kaczmarek , Brennan Nichyporuk , Tal Arbel

Systems based on deep neural networks are vulnerable to adversarial attacks. Unrestricted adversarial attacks typically manipulate the semantic content of an image (e.g., color or texture) to create adversarial examples that are both…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Zihao Pan , Lifeng Chen , Weibin Wu , Yuhang Cao , Zibin Zheng

Enforcing alignment between the internal representations of diffusion or flow-based generative models and those of pretrained self-supervised encoders has recently been shown to provide a powerful inductive bias, improving both convergence…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Loukas Sfountouris , Giannis Daras , Paris Giampouras

Diffusion models have established new state of the art in a multitude of computer vision tasks, including image restoration. Diffusion-based inverse problem solvers generate reconstructions of exceptional visual quality from heavily…

图像与视频处理 · 电气工程与系统科学 2024-08-21 Zalan Fabian , Berk Tinaz , Mahdi Soltanolkotabi

Diffusion models demonstrate outstanding performance in image generation, but their multi-step inference mechanism requires immense computational cost. Previous works accelerate inference by leveraging layer or token cache techniques to…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Haowei Zhu , Ji Liu , Ziqiong Liu , Dong Li , Junhai Yong , Bin Wang , Emad Barsoum

Score Distillation Sampling (SDS) has been pivotal for leveraging pre-trained diffusion models in downstream tasks such as inverse problems, but it faces two major challenges: $(i)$ mode collapse and $(ii)$ latent space inversion, which…

机器学习 · 计算机科学 2024-10-15 Nicolas Zilberstein , Morteza Mardani , Santiago Segarra

We explore the oscillatory behavior observed in inversion methods applied to large-scale text-to-image diffusion models, with a focus on the "Flux" model. By employing a fixed-point-inspired iterative approach to invert real-world images,…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Yan Zheng , Zhenxiao Liang , Xiaoyan Cong , Lanqing guo , Yuehao Wang , Peihao Wang , Zhangyang Wang

Low-Rank Adaptation (LoRA) has emerged as one of the most effective, computationally tractable fine-tuning approaches for training Vision-Language Models (VLMs) and Large Language Models (LLMs). LoRA accomplishes this by freezing the…

Diffusion-based re-ranking is a common method used for retrieving instances by performing similarity propagation in a nearest neighbor graph. However, existing techniques that construct the affinity graph based on pairwise instances can…

机器学习 · 计算机科学 2025-01-07 Jifei Luo , Hantao Yao , Changsheng Xu

Latent diffusion models (LDMs) have achieved remarkable success in a variety of image tasks, yet achieving fine-grained, disentangled control over global structures versus fine details remains challenging. This paper explores…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Chao Huang , Susan Liang , Yunlong Tang , Jing Bi , Li Ma , Yapeng Tian , Chenliang Xu

Depth sensing is an important problem for 3D vision-based robotics. Yet, a real-world active stereo or ToF depth camera often produces noisy and incomplete depth which bottlenecks robot performances. In this work, we propose D3RoMa, a…

机器人学 · 计算机科学 2024-09-26 Songlin Wei , Haoran Geng , Jiayi Chen , Congyue Deng , Wenbo Cui , Chengyang Zhao , Xiaomeng Fang , Leonidas Guibas , He Wang

Recently, diffusion-based material transfer methods rely on image fine-tuning or complex architectures with auxiliary networks but face challenges such as text dependency, additional computational costs, and feature misalignment. To address…

图形学 · 计算机科学 2026-05-18 Nisha Huang , Yizhou Lin , Jie Guo , Xiu Li , Tong-Yee Lee , Zitong Yu

Generative AI has significantly advanced text-driven image generation, but it still faces challenges in producing outputs that consistently align with evolving user preferences and intents, particularly in multi-turn dialogue scenarios. In…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Kun Li , Jianhui Wang , Miao Zhang , Xueqian Wang

Text-based diffusion models have made significant breakthroughs in generating high-quality images and videos from textual descriptions. However, the lengthy sampling time of the denoising process remains a significant bottleneck in…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Shangwen Zhu , Han Zhang , Zhantao Yang , Qianyu Peng , Zhao Pu , Huangji Wang , Fan Cheng

Diffusion models have driven the advancement of vision generation over the past years. However, it is often difficult to apply these large models in downstream tasks, due to massive fine-tuning cost. Recently, Low-Rank Adaptation (LoRA) has…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Shaobin Zhuang , Yiwei Guo , Yanbo Ding , Kunchang Li , Xinyuan Chen , Yaohui Wang , Fangyikang Wang , Ying Zhang , Chen Li , Yali Wang

Diffusion models can synthesize realistic co-speech video from audio for various applications, such as video creation and virtual agents. However, existing diffusion-based methods are slow due to numerous denoising steps and costly…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Beijia Lu , Ziyi Chen , Jing Xiao , Jun-Yan Zhu

Diffusion models have recently emerged as powerful generative priors for solving inverse problems. However, training diffusion models in the pixel space are both data-intensive and computationally demanding, which restricts their…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Bowen Song , Soo Min Kwon , Zecheng Zhang , Xinyu Hu , Qing Qu , Liyue Shen

Recent video diffusion models (VDMs) synthesize visually convincing clips, yet still drop entities, mis-bind attributes, and weaken the interactions specified in the prompt. Representation-alignment objectives such as VideoREPA and MoAlign…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Jiesong Lian , Zixiang Zhou , Ruizhe Zhong , Yuan Zhou , Qinglin Lu , Rui Wang , Long Hu , Yixue Hao , Baoru Huang