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Neural Radiance Field (NeRF) has revolutionized novel-view rendering tasks and achieved impressive results. However, the inefficient sampling and per-scene optimization hinder its wide applications. Though some generalizable NeRFs have been…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Yue Shi , Dingyi Rong , Chang Chen , Chaofan Ma , Bingbing Ni , Wenjun Zhang

Controllable Depth-of-Field (DoF) imaging commonly produces amazing visual effects based on heavy and expensive high-end lenses. However, confronted with the increasing demand for mobile scenarios, it is desirable to achieve a lightweight…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Xiaolong Qian , Qi Jiang , Yao Gao , Shaohua Gao , Zhonghua Yi , Lei Sun , Kai Wei , Haifeng Li , Kailun Yang , Kaiwei Wang , Jian Bai

Depth of Field (DoF) in games is usually achieved as a post-process effect by blurring pixels in the sharp rasterized image based on the defined focus plane. This paper describes a novel real-time DoF technique that uses ray tracing with…

图形学 · 计算机科学 2022-10-12 Yu Wei Tan , Nicholas Chua , Nathan Biette , Anand Bhojan

Light fields become a popular representation of three dimensional scenes, and there is interest in their processing, resampling, and compression. As those operations often result in loss of quality, there is a need to quantify it. In this…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Vamsi Kiran Adhikarla , Marek Vinkler , Denis Sumin , Rafał K. Mantiuk , Karol Myszkowski , Hans-Peter Seidel , Piotr Didyk

Recent advances in 3D Gaussian Splatting (3D-GS) have shown remarkable success in representing 3D scenes and generating high-quality, novel views in real-time. However, 3D-GS and its variants assume that input images are captured based on…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Liao Shen , Tianqi Liu , Huiqiang Sun , Jiaqi Li , Zhiguo Cao , Wei Li , Chen Change Loy

A surface light field represents the radiance of rays originating from any points on the surface in any directions. Traditional approaches require ultra-dense sampling to ensure the rendering quality. In this paper, we present a novel…

计算几何 · 计算机科学 2018-10-16 Anpei Chen , Minye Wu , Yingliang Zhang , Nianyi Li , Jie Lu , Shenghua Gao , Jingyi Yu

Inferring a meaningful geometric scene representation from a single image is a fundamental problem in computer vision. Approaches based on traditional depth map prediction can only reason about areas that are visible in the image.…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Felix Wimbauer , Nan Yang , Christian Rupprecht , Daniel Cremers

Neural Radiance Field (NeRF) and its variants have exhibited great success on representing 3D scenes and synthesizing photo-realistic novel views. However, they are generally based on the pinhole camera model and assume all-in-focus inputs.…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Zijin Wu , Xingyi Li , Juewen Peng , Hao Lu , Zhiguo Cao , Weicai Zhong

Dynamic Neural Radiance Field (NeRF) from monocular videos has recently been explored for space-time novel view synthesis and achieved excellent results. However, defocus blur caused by depth variation often occurs in video capture,…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Xianrui Luo , Huiqiang Sun , Juewen Peng , Zhiguo Cao

Recently, several approaches have emerged for generating neural representations with multiple levels of detail (LODs). LODs can improve the rendering by using lower resolutions and smaller model sizes when appropriate. However, existing…

计算机视觉与模式识别 · 计算机科学 2023-09-22 David Li , Brandon Y. Feng , Amitabh Varshney

We present a method for transferring the artistic features of an arbitrary style image to a 3D scene. Previous methods that perform 3D stylization on point clouds or meshes are sensitive to geometric reconstruction errors for complex…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Kai Zhang , Nick Kolkin , Sai Bi , Fujun Luan , Zexiang Xu , Eli Shechtman , Noah Snavely

Creating an appearance-preserving level-of-detail (LoD) representation for arbitrary 3D scenes is a challenging problem. The appearance of a scene is an intricate combination of both geometry and material models, and is further complicated…

图形学 · 计算机科学 2024-10-01 Yang Zhou , Tao Huang , Ravi Ramamoorthi , Pradeep Sen , Ling-Qi Yan

Despite the advancements in quality and efficiency achieved by 3D Gaussian Splatting (3DGS) in 3D scene rendering, aliasing artifacts remain a persistent challenge. Existing approaches primarily rely on low-pass filtering to mitigate…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Zhenya Yang , Bingchen Gong , Kai Chen

High frame rate and accurate depth estimation plays an important role in several tasks crucial to robotics and automotive perception. To date, this can be achieved through ToF and LiDAR devices for indoor and outdoor applications,…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Andrea Conti , Matteo Poggi , Valerio Cambareri , Stefano Mattoccia

Neural radiance field (NeRF) enables the synthesis of cutting-edge realistic novel view images of a 3D scene. It includes density and color fields to model the shape and radiance of a scene, respectively. Supervised by the photometric loss…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Qihang Fang , Yafei Song , Keqiang Li , Liefeng Bo

Physically based rendering of complex scenes can be prohibitively costly with a potentially unbounded and uneven distribution of complexity across the rendered image. The goal of an ideal level of detail (LoD) method is to make rendering…

图形学 · 计算机科学 2022-11-14 Steve Bako , Pradeep Sen , Anton Kaplanyan

Inferring representations of 3D scenes from 2D observations is a fundamental problem of computer graphics, computer vision, and artificial intelligence. Emerging 3D-structured neural scene representations are a promising approach to 3D…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Vincent Sitzmann , Semon Rezchikov , William T. Freeman , Joshua B. Tenenbaum , Fredo Durand

Radiance fields have revolutionized photo-realistic 3D scene visualization by enabling high-fidelity reconstruction of complex environments, making them an ideal match for light field displays. However, integrating these technologies…

Humans perceive and comprehend their surroundings through information spanning multiple frequencies. In immersive scenes, people naturally scan their environment to grasp its overall structure while examining fine details of objects that…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Xiaoyu Zhang , Weihong Pan , Chong Bao , Xiyu Zhang , Xiaojun Xiang , Hanqing Jiang , Hujun Bao

3D Gaussian Splatting (3DGS) techniques have recently enabled high-quality 3D scene reconstruction and real-time novel view synthesis. These approaches, however, are limited by the pinhole camera model and lack effective modeling of defocus…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Yujie Wang , Praneeth Chakravarthula , Baoquan Chen
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