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Generating controllable character animation from a reference image and motion guidance remains a challenging task due to the inherent difficulty of injecting appearance and motion cues into video diffusion models. Prior works often rely on…

Graphics · Computer Science 2025-07-03 Guian Fang , Yuchao Gu , Mike Zheng Shou

We introduce a real-time, high-resolution background replacement technique which operates at 30fps in 4K resolution, and 60fps for HD on a modern GPU. Our technique is based on background matting, where an additional frame of the background…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Shanchuan Lin , Andrey Ryabtsev , Soumyadip Sengupta , Brian Curless , Steve Seitz , Ira Kemelmacher-Shlizerman

Diffusion models have recently been employed to generate high-quality images, reducing the need for manual data collection and improving model generalization in tasks such as object detection, instance segmentation, and image perception.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 You Li , Fan Ma , Yi Yang

Low-light and underwater videos suffer from poor visibility, low contrast, and high noise, necessitating enhancements in visual quality. However, existing approaches typically rely on paired ground truth, which limits their practicality and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Yini Li , Nantheera Anantrasirichai

Despite recent advancements in learning-based motion in-betweening, a key limitation has been overlooked: the requirement for character-specific datasets. In this work, we introduce AnyMoLe, a novel method that addresses this limitation by…

Graphics · Computer Science 2025-03-12 Kwan Yun , Seokhyeon Hong , Chaelin Kim , Junyong Noh

Estimating camera motion and intrinsics from casual videos is a core challenge in computer vision. Traditional bundle-adjustment based methods, such as SfM and SLAM, struggle to perform reliably on arbitrary data. Although specialized SfM…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Felix Wimbauer , Weirong Chen , Dominik Muhle , Christian Rupprecht , Daniel Cremers

Diffusion models have demonstrated remarkable success in image generation and editing, with recent advancements enabling albedo-preserving image relighting. However, applying these models to video relighting remains challenging due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Ye Fang , Zeyi Sun , Shangzhan Zhang , Tong Wu , Yinghao Xu , Pan Zhang , Jiaqi Wang , Gordon Wetzstein , Dahua Lin

Existing text-to-video methods struggle to transfer motion smoothly from a reference object to a target object with significant differences in appearance or structure between them. To address this challenge, we introduce MotionShot, a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Yanchen Liu , Yanan Sun , Zhening Xing , Junyao Gao , Kai Chen , Wenjie Pei

In this paper, we present FaceShot, a novel training-free portrait animation framework designed to bring any character into life from any driven video without fine-tuning or retraining. We achieve this by offering precise and robust reposed…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Junyao Gao , Yanan Sun , Fei Shen , Xin Jiang , Zhening Xing , Kai Chen , Cairong Zhao

Diffusion-based zero-shot image restoration and enhancement models have achieved great success in various tasks of image restoration and enhancement. However, directly applying them to video restoration and enhancement results in severe…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Cong Cao , Huanjing Yue , Xin Liu , Jingyu Yang

The remarkable success in text-to-image diffusion models has motivated extensive investigation of their potential for video applications. Zero-shot techniques aim to adapt image diffusion models for videos without requiring further model…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Shuai Yang , Junxin Lin , Yifan Zhou , Ziwei Liu , Chen Change Loy

Recent image-to-video (I2V) based video inpainting methods have made significant strides by leveraging single-image priors and modeling temporal consistency across masked frames. Nevertheless, these methods suffer from severe content…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Ming Xie , Junqiu Yu , Qiaole Dong , Xiangyang Xue , Yanwei Fu

Video portraits relighting is critical in user-facing human photography, especially for immersive VR/AR experience. Recent advances still fail to recover consistent relit result under dynamic illuminations from monocular RGB stream,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Longwen Zhang , Qixuan Zhang , Minye Wu , Jingyi Yu , Lan Xu

Removing undesired concepts from large-scale text-to-image (T2I) and text-to-video (T2V) diffusion models while preserving overall generative quality remains a major challenge, particularly as modern models such as Stable Diffusion v3,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zhaoxin Fan , Nanxiang Jiang , Daiheng Gao , Shiji Zhou , Wenjun Wu

We present a unified controllable video generation approach AnimateAnything that facilitates precise and consistent video manipulation across various conditions, including camera trajectories, text prompts, and user motion annotations.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Guojun Lei , Chi Wang , Hong Li , Rong Zhang , Yikai Wang , Weiwei Xu

Video colorization aims to transform grayscale videos into vivid color representations while maintaining temporal consistency and structural integrity. Existing video colorization methods often suffer from color bleeding and lack…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Zixun Fang , Zhiheng Liu , Kai Zhu , Yu Liu , Ka Leong Cheng , Wei Zhai , Yang Cao , Zheng-Jun Zha

Large foundation models have recently emerged as a prominent focus of interest, attaining superior performance in widespread scenarios. Due to the scarcity of 3D data, many efforts have been made to adapt pre-trained transformers from…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yiwen Tang , Ray Zhang , Jiaming Liu , Zoey Guo , Dong Wang , Zhigang Wang , Bin Zhao , Shanghang Zhang , Peng Gao , Hongsheng Li , Xuelong Li

Event cameras have recently shown promising capabilities in instantaneous motion estimation due to their robustness to low light and fast motions. However, computing wide-baseline correspondence between two arbitrary views remains a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Ruijun Zhang , Hang Su , Kostas Daniilidis , Ziyun Wang

Existing image inpainting methods typically fill holes by borrowing information from surrounding pixels. They often produce unsatisfactory results when the holes overlap with or touch foreground objects due to lack of information about the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Wei Xiong , Jiahui Yu , Zhe Lin , Jimei Yang , Xin Lu , Connelly Barnes , Jiebo Luo

Humans exhibit an innate capacity to rapidly perceive and segment objects from video observations, and even mentally assemble them into structured 3D scenes. Replicating such capability, termed compositional 3D reconstruction, is pivotal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Mingyu Dong , Chong Xia , Mingyuan Jia , Weichen Lyu , Long Xu , Zheng Zhu , Yueqi Duan