English
Related papers

Related papers: POLAR: A Portrait OLAT Dataset and Generative Fram…

200 papers

Recently, polar-based representation has shown promising properties in perceptual tasks. In addition to Cartesian-based approaches, which separate point clouds unevenly, representing point clouds as polar grids has been recognized as an…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Ming Nie , Yujing Xue , Chunwei Wang , Chaoqiang Ye , Hang Xu , Xinge Zhu , Qingqiu Huang , Michael Bi Mi , Xinchao Wang , Li Zhang

Lens modeling of resolved image data has advanced rapidly over the past two decades. More recently pixel-based approaches, wherein the source is reconstructed on an irregular or adaptive grid, have become popular. Generally, the source…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-09 Amitpal S. Tagore , Neal Jackson

This article presents an evolutionary approach for synthetic human portraits generation based on the latent space exploration of a generative adversarial network. The idea is to produce different human face images very similar to a given…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Benjamín Machín , Sergio Nesmachnow , Jamal Toutouh

In this work, we propose a novel method for the detailed reconstruction of transparent objects by exploiting polarimetric cues. Most of the existing methods usually lack sufficient constraints and suffer from the over-smooth problem. Hence,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Mingqi Shao , Chongkun Xia , Dongxu Duan , Xueqian Wang

We present a novel local-based face verification system whose components are analogous to those of biological systems. In the proposed system, after global registration and normalization, three eye regions are converted from the spatial to…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Yossi Zana , Roberto M. Cesar-Jr , Rogerio S. Feris , Matthew Turk

There are many facts affecting human face recognition, such as pose, occlusion, illumination, age, etc. First and foremost are large pose and occlusion problems, which can even result in more than 10% performance degradation. Pose-invariant…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Qingyan Duan , Lei Zhang

Creating a controllable and relightable digital avatar from multi-view video with fixed illumination is a very challenging problem since humans are highly articulated, creating pose-dependent appearance effects, and skin as well as clothing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Diogo Luvizon , Vladislav Golyanik , Adam Kortylewski , Marc Habermann , Christian Theobalt

Face hallucination, which is the task of generating a high-resolution face image from a low-resolution input image, is a well-studied problem that is useful in widespread application areas. Face hallucination is particularly challenging…

Computer Vision and Pattern Recognition · Computer Science 2016-04-28 Oncel Tuzel , Yuichi Taguchi , John R. Hershey

Detecting and recognizing faces accurately has always been a challenge. Differentiating facial features, training images, and producing quick results require a lot of computation. The REaL system we have proposed in this paper discusses its…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Sandesh Ramesh , Manoj Kumar M , K Aditya Shastry

Person re-identification (re-ID) under various occlusions has been a long-standing challenge as person images with different types of occlusions often suffer from misalignment in image matching and ranking. Most existing methods tackle this…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Mengxi Jia , Xinhua Cheng , Shijian Lu , Jian Zhang

Occluded person re-identification (Re-ID) in images captured by multiple cameras is challenging because the target person is occluded by pedestrians or objects, especially in crowded scenes. In addition to the processes performed during…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Minjung Kim , MyeongAh Cho , Heansung Lee , Suhwan Cho , Sangyoun Lee

Polarization-resolved near-infrared imaging adds a useful optical contrast mechanism to eye tracking by measuring the polarization state of light reflected by ocular tissues in addition to its intensity. In this paper we demonstrate how…

Reliable facial expression recognition plays a critical role in human-machine interactions. However, most of the facial expression analysis methodologies proposed to date pay little or no attention to the protection of a user's privacy. In…

Computer Vision and Pattern Recognition · Computer Science 2018-09-10 Jiawei Chen , Janusz Konrad , Prakash Ishwar

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…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Ziqi Cai , Kaiwen Jiang , Shu-Yu Chen , Yu-Kun Lai , Hongbo Fu , Boxin Shi , Lin Gao

We introduce light diffusion, a novel method to improve lighting in portraits, softening harsh shadows and specular highlights while preserving overall scene illumination. Inspired by professional photographers' diffusers and scrims, our…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 David Futschik , Kelvin Ritland , James Vecore , Sean Fanello , Sergio Orts-Escolano , Brian Curless , Daniel Sýkora , Rohit Pandey

Face parsing is a fundamental task in computer vision, enabling applications such as identity verification, facial editing, and controllable image synthesis. However, existing face parsing models often lack fairness and robustness, leading…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Sophia J. Abraham , Jonathan D. Hauenstein , Walter J. Scheirer

Image relighting has emerged as a problem of significant research interest inspired by augmented reality applications. Physics-based traditional methods, as well as black box deep learning models, have been developed. The existing deep…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Amirsaeed Yazdani , Tiantong Guo , Vishal Monga

Aligning generative real-world image super-resolution models with human visual preference is challenging due to the perception--fidelity trade-off and diverse, unknown degradations. Prior approaches rely on offline preference optimization…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Shijie Zhao , Xuanyu Zhang , Bin Chen , Weiqi Li , Qunliang Xing , Kexin Zhang , Yan Wang , Junlin Li , Li Zhang , Jian Zhang , Tianfan Xue

We propose VoLux-GAN, a generative framework to synthesize 3D-aware faces with convincing relighting. Our main contribution is a volumetric HDRI relighting method that can efficiently accumulate albedo, diffuse and specular lighting…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Feitong Tan , Sean Fanello , Abhimitra Meka , Sergio Orts-Escolano , Danhang Tang , Rohit Pandey , Jonathan Taylor , Ping Tan , Yinda Zhang

Precomputed Radiance Transfer (PRT) remains an attractive solution for real-time rendering of complex light transport effects such as glossy global illumination. After precomputation, we can relight the scene with new environment maps while…

Graphics · Computer Science 2023-07-13 Nithin Raghavan , Yan Xiao , Kai-En Lin , Tiancheng Sun , Sai Bi , Zexiang Xu , Tzu-Mao Li , Ravi Ramamoorthi
‹ Prev 1 4 5 6 7 8 10 Next ›