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Image matting plays an important role in image and video editing. However, the formulation of image matting is inherently ill-posed. Traditional methods usually employ interaction to deal with the image matting problem with trimaps and…

计算机视觉与模式识别 · 计算机科学 2017-07-27 Bingke Zhu , Yingying Chen , Jinqiao Wang , Si Liu , Bo Zhang , Ming Tang

We present an approach to generate a 360-degree view of a person with a consistent, high-resolution appearance from a single input image. NeRF and its variants typically require videos or images from different viewpoints. Most existing…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Badour AlBahar , Shunsuke Saito , Hung-Yu Tseng , Changil Kim , Johannes Kopf , Jia-Bin Huang

The Bokeh Effect is one of the most desirable effects in photography for rendering artistic and aesthetic photos. Usually, it requires a DSLR camera with different aperture and shutter settings and certain photography skills to generate…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Saikat Dutta , Sourya Dipta Das , Nisarg A. Shah , Anil Kumar Tiwari

Rotational motion blur caused by the circular motion of the camera or/and object is common in life. Identifying objects from images affected by rotational motion blur is challenging because this image degradation severely impacts image…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Hanlin Mo , Hongxiang Hao , Guoying Zhao

The bokeh effect is an artistic technique that blurs out-of-focus areas in a photograph and has gained interest due to recent developments in text-to-image synthesis and the ubiquity of smart-phone cameras and photo-sharing apps. Prior work…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Jieren Deng , Xin Zhou , Hao Tian , Zhihong Pan , Derek Aguiar

Photo-realistic neural reconstruction and rendering of the human portrait are critical for numerous VR/AR applications. Still, existing solutions inherently rely on multi-view capture settings, and the one-shot solution to get rid of the…

计算机视觉与模式识别 · 计算机科学 2021-05-17 Ziyu Wang , Liao Wang , Fuqiang Zhao , Minye Wu , Lan Xu , Jingyi Yu

Multi-camera setups find widespread use across various applications, such as autonomous driving, as they greatly expand sensing capabilities. Despite the fast development of Neural radiance field (NeRF) techniques and their wide…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Kai Cheng , Xiaoxiao Long , Wei Yin , Jin Wang , Zhiqiang Wu , Yuexin Ma , Kaixuan Wang , Xiaozhi Chen , Xuejin Chen

The Multipath effect in Time-of-Flight(ToF) cameras still remains to be a challenging problem that hinders further processing of 3D data information. Based on the evidence from previous literature, we explored the possibility of using…

计算机视觉与模式识别 · 计算机科学 2016-01-13 Mojmir Mutny , Rahul Nair , Jens-Malte Gottfried

Recent advances in Neural Radiance Fields (NeRFs) have made it possible to reconstruct and reanimate dynamic portrait scenes with control over head-pose, facial expressions and viewing direction. However, training such models assumes…

计算机视觉与模式识别 · 计算机科学 2023-09-22 ShahRukh Athar , Zhixin Shu , Zexiang Xu , Fujun Luan , Sai Bi , Kalyan Sunkavalli , Dimitris Samaras

Motion transfer aims to transfer the motion of a driving video to a source image. When there are considerable differences between object in the driving video and that in the source image, traditional single domain motion transfer approaches…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Borun Xu , Biao Wang , Jinhong Deng , Jiale Tao , Tiezheng Ge , Yuning Jiang , Wen Li , Lixin Duan

Recent advances in deep learning have shown exciting promise in filling large holes in natural images with semantically plausible and context aware details, impacting fundamental image manipulation tasks such as object removal. While these…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Chao Yang , Xin Lu , Zhe Lin , Eli Shechtman , Oliver Wang , Hao Li

We present DietNeRF, a 3D neural scene representation estimated from a few images. Neural Radiance Fields (NeRF) learn a continuous volumetric representation of a scene through multi-view consistency, and can be rendered from novel…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Ajay Jain , Matthew Tancik , Pieter Abbeel

Neural surface reconstruction is sensitive to the camera pose noise, even if state-of-the-art pose estimators like COLMAP or ARKit are used. More importantly, existing Pose-NeRF joint optimisation methods have struggled to improve pose…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Jia-Wang Bian , Wenjing Bian , Victor Adrian Prisacariu , Philip Torr

In this study, we propose AniPortrait, a novel framework for generating high-quality animation driven by audio and a reference portrait image. Our methodology is divided into two stages. Initially, we extract 3D intermediate representations…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Huawei Wei , Zejun Yang , Zhisheng Wang

We propose BokehMe, a hybrid bokeh rendering framework that marries a neural renderer with a classical physically motivated renderer. Given a single image and a potentially imperfect disparity map, BokehMe generates high-resolution…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Juewen Peng , Zhiguo Cao , Xianrui Luo , Hao Lu , Ke Xian , Jianming Zhang

We address the problem of photorealistic 3D face avatar synthesis from sparse images. Existing Parametric models for face avatar reconstruction struggle to generate details that originate from inputs. Meanwhile, although current NeRF-based…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Weichen Zhang , Xiang Zhou , Yukang Cao , Wensen Feng , Chun Yuan

Neural Radiance Fields (NeRF) is a technique for high quality novel view synthesis from a collection of posed input images. Like most view synthesis methods, NeRF uses tonemapped low dynamic range (LDR) as input; these images have been…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Ben Mildenhall , Peter Hedman , Ricardo Martin-Brualla , Pratul Srinivasan , Jonathan T. Barron

Many existing facial expression recognition (FER) systems encounter substantial performance degradation when faced with variations in head pose. Numerous frontalization methods have been proposed to enhance these systems' performance under…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Omar Ikne , Benjamin Allaert , Ioan Marius Bilasco , Hazem Wannous

Recent extended reality headsets and field robots have adopted covers to protect the front-facing cameras from environmental hazards and falls. The surface irregularities on the cover can lead to optical aberrations like blurring and…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Liuyue Xie , Jiancong Guo , Laszlo A. Jeni , Zhiheng Jia , Mingyang Li , Yunwen Zhou , Chao Guo

Neural Radiance Fields (NeRF) have received considerable attention recently, due to its impressive capability in photo-realistic 3D reconstruction and novel view synthesis, given a set of posed camera images. Earlier work usually assumes…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Peng Wang , Lingzhe Zhao , Ruijie Ma , Peidong Liu