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Diffusion models (DMs) embark a new era of generative modeling and offer more opportunities for efficient generating high-quality and realistic data samples. However, their widespread use has also brought forth new challenges in model…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Jingyao Xu , Yuetong Lu , Yandong Li , Siyang Lu , Dongdong Wang , Xiang Wei

Diffusion language models (DLMs) have shown strong potential for general natural language tasks with in-context examples. However, due to the bidirectional attention mechanism, DLMs incur substantial computational cost as context length…

计算与语言 · 计算机科学 2026-01-07 Yang Li , Han Meng , Chenan Wang , Haipeng Chen

We present a novel unconditional video generative model designed to address long-term spatial and temporal dependencies, with attention to computational and dataset efficiency. To capture long spatio-temporal dependencies, our approach…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Partha Ghosh , Soubhik Sanyal , Cordelia Schmid , Bernhard Schölkopf

GANs are able to perform generation and manipulation tasks, trained on a single video. However, these single video GANs require unreasonable amount of time to train on a single video, rendering them almost impractical. In this paper we…

计算机视觉与模式识别 · 计算机科学 2022-05-13 Niv Haim , Ben Feinstein , Niv Granot , Assaf Shocher , Shai Bagon , Tali Dekel , Michal Irani

6D pose estimation refers to object recognition and estimation of 3D rotation and 3D translation. The key technology for estimating 6D pose is to estimate pose by extracting enough features to find pose in any environment. Previous methods…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Myoungha Song , Jeongho Lee , Donghwan Kim

Panorama video recently attracts more interest in both study and application, courtesy of its immersive experience. Due to the expensive cost of capturing 360-degree panoramic videos, generating desirable panorama videos by prompts is…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Qian Wang , Weiqi Li , Chong Mou , Xinhua Cheng , Jian Zhang

Scaling video diffusion transformers (DiTs) is limited by their quadratic 3D attention, even though most of the attention mass concentrates on a small subset of positions. We turn this observation into VSA, a trainable, hardware-efficient…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Peiyuan Zhang , Yongqi Chen , Haofeng Huang , Will Lin , Zhengzhong Liu , Ion Stoica , Eric Xing , Hao Zhang

Video diffusion models have made substantial progress in various video generation applications. However, training models for long video generation tasks require significant computational and data resources, posing a challenge to developing…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Yu Lu , Yuanzhi Liang , Linchao Zhu , Yi Yang

Video super-resolution, which aims at producing a high-resolution video from its corresponding low-resolution version, has recently drawn increasing attention. In this work, we propose a novel method that can effectively incorporate…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Takashi Isobe , Songjiang Li , Xu Jia , Shanxin Yuan , Gregory Slabaugh , Chunjing Xu , Ya-Li Li , Shengjin Wang , Qi Tian

A diffusion probabilistic model (DPM), which constructs a forward diffusion process by gradually adding noise to data points and learns the reverse denoising process to generate new samples, has been shown to handle complex data…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Zhengxiong Luo , Dayou Chen , Yingya Zhang , Yan Huang , Liang Wang , Yujun Shen , Deli Zhao , Jingren Zhou , Tieniu Tan

Video generation has achieved remarkable progress with the introduction of diffusion models, which have significantly improved the quality of generated videos. However, recent research has primarily focused on scaling up model training,…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Chenyang Si , Weichen Fan , Zhengyao Lv , Ziqi Huang , Yu Qiao , Ziwei Liu

Diffusion probabilistic models have shown significant progress in video generation; however, their computational efficiency is limited by the large number of sampling steps required. Reducing sampling steps often compromises video quality…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Zihan Ding , Chi Jin , Difan Liu , Haitian Zheng , Krishna Kumar Singh , Qiang Zhang , Yan Kang , Zhe Lin , Yuchen Liu

Recently, great progress has been achieved in text-to-video (T2V) generation by scaling transformer-based diffusion models to billions of parameters, which can generate high-quality videos. However, existing models typically produce only…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Akio Kodaira , Tingbo Hou , Ji Hou , Markos Georgopoulos , Felix Juefei-Xu , Masayoshi Tomizuka , Yue Zhao

Generating realistic, dyadic talking head video requires ultra-low latency. Existing chunk-based methods require full non-causal context windows, introducing significant delays. This high latency critically prevents the immediate,…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Bohong Chen , Haiyang Liu

Diffusion Transformer (DiT) has emerged as a powerful model architecture for generating high-quality images and videos. In the case of video DiT, 3D Spatio-Temporal Attention increases token length in proportion to the number of frames,…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Hangyeol Lee , Joo-Young Kim

Talking face generation has historically struggled to produce head movements and natural facial expressions without guidance from additional reference videos. Recent developments in diffusion-based generative models allow for more realistic…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Michał Stypułkowski , Konstantinos Vougioukas , Sen He , Maciej Zięba , Stavros Petridis , Maja Pantic

Recent advances in diffusion models have enabled high-quality video generation, but the additional temporal dimension significantly increases computational costs, making training and inference on long videos prohibitively expensive. In this…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Xingyang Li , Muyang Li , Tianle Cai , Haocheng Xi , Shuo Yang , Yujun Lin , Lvmin Zhang , Songlin Yang , Jinbo Hu , Kelly Peng , Maneesh Agrawala , Ion Stoica , Kurt Keutzer , Song Han

The diffusion transformer (DiT) architecture has attracted significant attention in image generation, achieving better fidelity, performance, and diversity. However, most existing DiT - based image generation methods focus on global - aware…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Zhen Xiong , Yuqi Li , Chuanguang Yang , Tiao Tan , Zhihong Zhu , Siyuan Li , Yue Ma

Despite recent advances in text-to-3D generation techniques, current methods often suffer from geometric inconsistencies, commonly referred to as the Janus Problem. This paper identifies the root cause of the Janus Problem: viewpoint…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Qing Zhang , Jinguang Tong , Jing Zhang , Jie Hong , Xuesong Li

In visual generation, the quadratic complexity of attention mechanisms results in high memory and computational costs, especially for longer token sequences required in high-resolution image or multi-frame video generation. To address this,…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Tianchen Zhao , Ke Hong , Xinhao Yang , Xuefeng Xiao , Huixia Li , Feng Ling , Ruiqi Xie , Siqi Chen , Hongyu Zhu , Yichong Zhang , Yu Wang