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Deep image relighting allows photo enhancement by illumination-specific retouching without human effort and so it is getting much interest lately. Most of the existing popular methods available for relighting are run-time intensive and…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Sourya Dipta Das , Nisarg A. Shah , Saikat Dutta

With increasing focus on augmented and virtual reality applications (XR) comes the demand for algorithms that can lift objects from images and videos into representations that are suitable for a wide variety of related 3D tasks. Large-scale…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Felix Wimbauer , Shangzhe Wu , Christian Rupprecht

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,…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Longwen Zhang , Qixuan Zhang , Minye Wu , Jingyi Yu , Lan Xu

In this paper, we rethink the low-light image enhancement task and propose a physically explainable and generative diffusion model for low-light image enhancement, termed as Diff-Retinex. We aim to integrate the advantages of the physical…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Xunpeng Yi , Han Xu , Hao Zhang , Linfeng Tang , Jiayi Ma

An authentic face restoration system is becoming increasingly demanding in many computer vision applications, e.g., image enhancement, video communication, and taking portrait. Most of the advanced face restoration models can recover…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Yang Zhao , Tingbo Hou , Yu-Chuan Su , Xuhui Jia. Yandong Li , Matthias Grundmann

We propose an approach to generate images of people given a desired appearance and pose. Disentangled representations of pose and appearance are necessary to handle the compound variability in the resulting generated images. Hence, we…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Mengyao Zhai , Ruizhi Deng , Jiacheng Chen , Lei Chen , Zhiwei Deng , Greg Mori

Understanding and modeling lighting effects are fundamental tasks in computer vision and graphics. Classic physically-based rendering (PBR) accurately simulates the light transport, but relies on precise scene representations--explicit 3D…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Ruofan Liang , Zan Gojcic , Huan Ling , Jacob Munkberg , Jon Hasselgren , Zhi-Hao Lin , Jun Gao , Alexander Keller , Nandita Vijaykumar , Sanja Fidler , Zian Wang

Synthesizing realistic videos of talking faces under custom lighting conditions and viewing angles benefits various downstream applications like video conferencing. However, most existing relighting methods are either time-consuming or…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Ziqi Cai , Kaiwen Jiang , Shu-Yu Chen , Yu-Kun Lai , Hongbo Fu , Boxin Shi , Lin Gao

Face relighting aims to synthesize realistic portraits under novel illumination while preserving identity and geometry. However, progress remains constrained by the limited availability of large-scale, physically consistent illumination…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Zhuo Chen , Chengqun Yang , Zhuo Su , Zheng Lv , Jingnan Gao , Xiaoyuan Zhang , Xiaokang Yang , Yichao Yan

In this paper, we present an end-to-end learning framework for detailed 3D face reconstruction from a single image. Our approach uses a 3DMM-based coarse model and a displacement map in UV-space to represent a 3D face. Unlike previous work…

计算机视觉与模式识别 · 计算机科学 2020-09-03 Yajing Chen , Fanzi Wu , Zeyu Wang , Yibing Song , Yonggen Ling , Linchao Bao

In this paper, we present a deep learning based image feature extraction method designed specifically for face images. To train the feature extraction model, we construct a large scale photo-realistic face image dataset with ground-truth…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Boyi Jiang , Juyong Zhang , Bailin Deng , Yudong Guo , Ligang Liu

Recent 3D-aware head generative models based on 3D Gaussian Splatting achieve real-time, photorealistic and view-consistent head synthesis. However, a fundamental limitation persists: the deep entanglement of illumination and intrinsic…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Yating Wang , Yuan Sun , Xuan Wang , Ran Yi , Boyao Zhou , Yipengjing Sun , Hongyu Liu , Yinuo Wang , Lizhuang Ma

Relighting is a crucial task with both practical demand and artistic value, and recent diffusion models have shown strong potential by enabling rich and controllable lighting effects. However, as they are typically optimized in semantic…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Ropeway Liu , Hangjie Yuan , Bo Dong , Jiazheng Xing , Jinwang Wang , Rui Zhao , Yan Xing , Weihua Chen , Fan Wang

Resonant transmission of light is a surface-wave assisted phenomenon that enables funneling light through subwavelength apertures milled in otherwise opaque metallic screens. In this work, we introduce a deep learning approach to…

光学 · 物理学 2021-06-25 David Alonso-Gonzalez , Michel Frising , Ferry Prins , Jorge Bravo-Abad

The widespread use of cameras in everyday life situations generates a vast amount of data that may contain sensitive information about the people and vehicles moving in front of them (location, license plates, physical characteristics,…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Roman Plaud , Jose-Luis Lisani

3D video avatars can empower virtual communications by providing compression, privacy, entertainment, and a sense of presence in AR/VR. Best 3D photo-realistic AR/VR avatars driven by video, that can minimize uncanny effects, rely on…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Lele Chen , Chen Cao , Fernando De la Torre , Jason Saragih , Chenliang Xu , Yaser Sheikh

Portraits or selfie images taken from a close distance typically suffer from perspective distortion. In this paper, we propose an end-to-end deep learning-based rectification pipeline to mitigate the effects of perspective distortion. We…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Ahmed Alhawwary , Janne Mustaniemi , Phong Nguyen-Ha , Janne Heikkilä

This paper introduces a novel approach to illumination manipulation in diffusion models, addressing the gap in conditional image generation with a focus on lighting conditions. We conceptualize the diffusion model as a black-box image…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Xiaoyan Xing , Vincent Tao Hu , Jan Hendrik Metzen , Konrad Groh , Sezer Karaoglu , Theo Gevers

Motivated by augmented and virtual reality applications such as telepresence, there has been a recent focus in real-time performance capture of humans under motion. However, given the real-time constraint, these systems often suffer from…

A crucial problem in learning disentangled image representations is controlling the degree of disentanglement during image editing, while preserving the identity of objects. In this work, we propose a simple yet effective model with the…

机器学习 · 计算机科学 2019-12-30 Zengjie Song , Oluwasanmi Koyejo , Jiangshe Zhang