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相关论文: SupeRVol: Super-Resolution Shape and Reflectance E…

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Neural radiance fields (NeRF) have revolutionized the field of image-based view synthesis. However, NeRF uses straight rays and fails to deal with complicated light path changes caused by refraction and reflection. This prevents NeRF from…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Xiaoxue Chen , Junchen Liu , Hao Zhao , Guyue Zhou , Ya-Qin Zhang

Existing 3D surface representation approaches are unable to accurately classify pixels and their orientation lying on the boundary of an object. Thus resulting in coarse representations which usually require post-processing steps to extract…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Mateusz Michalkiewicz , Jhony K. Pontes , Dominic Jack , Mahsa Baktashmotlagh , Anders Eriksson

We present a novel single-stage framework, Neural Photon Field (NePF), to address the ill-posed inverse rendering from multi-view images. Contrary to previous methods that recover the geometry, material, and illumination in multiple stages…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Tuen-Yue Tsui , Qin Zou

Neural Radiance Fields (NeRF) have demonstrated exceptional capabilities in reconstructing complex scenes with high fidelity. However, NeRF's view dependency can only handle low-frequency reflections. It falls short when handling complex…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Chen Gao , Yipeng Wang , Changil Kim , Jia-Bin Huang , Johannes Kopf

We present UrbanIR (Urban Scene Inverse Rendering), a new inverse graphics model that enables realistic, free-viewpoint renderings of scenes under various lighting conditions with a single video. It accurately infers shape, albedo,…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Chih-Hao Lin , Bohan Liu , Yi-Ting Chen , Kuan-Sheng Chen , David Forsyth , Jia-Bin Huang , Anand Bhattad , Shenlong Wang

The ability to resolve detail in the object that is being imaged, named by resolution, is the core parameter of an imaging system. Super-resolution is a class of techniques that can enhance the resolution of an imaging system and even…

数据结构与算法 · 计算机科学 2022-10-13 Yaonan Jin , Daogao Liu , Zhao Song

Inverse rendering in a 3D format denoted to recovering the 3D properties of a scene given 2D input image(s) and is typically done using 3D Morphable Model (3DMM) based methods from single view images. These models formulate each face as a…

计算机视觉与模式识别 · 计算机科学 2017-09-01 Shima Kamyab , Ali Ghodsi , S. Zohreh Azimifar

We present a neural-field-based large-scale reconstruction system that fuses lidar and vision data to generate high-quality reconstructions that are geometrically accurate and capture photo-realistic textures. This system adapts the…

机器人学 · 计算机科学 2025-02-18 Yifu Tao , Yash Bhalgat , Lanke Frank Tarimo Fu , Matias Mattamala , Nived Chebrolu , Maurice Fallon

This paper aims to recover object materials from posed images captured under an unknown static lighting condition. Recent methods solve this task by optimizing material parameters through differentiable physically based rendering. However,…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Xi Chen , Sida Peng , Dongchen Yang , Yuan Liu , Bowen Pan , Chengfei Lv , Xiaowei Zhou

3D Gaussian Splatting (3DGS) has demonstrated impressive capabilities in novel view synthesis. However, rendering reflective objects remains a significant challenge, particularly in inverse rendering and relighting. We introduce RTR-GS, a…

图形学 · 计算机科学 2025-12-17 Yongyang Zhou , Fang-Lue Zhang , Zichen Wang , Lei Zhang

This paper proposes a novel neural-network-based adaptive hybrid-reflectance three-dimensional (3-D) surface reconstruction model. The neural network combines the diffuse and specular components into a hybrid model. The proposed model…

神经与进化计算 · 计算机科学 2009-12-14 Vincy Joseph , Shalini Bhatia

We propose a novel multi-stage depth super-resolution network, which progressively reconstructs high-resolution depth maps from explicit and implicit high-frequency features. The former are extracted by an efficient transformer processing…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Xin Qiao , Chenyang Ge , Youmin Zhang , Yanhui Zhou , Fabio Tosi , Matteo Poggi , Stefano Mattoccia

Inverse rendering aims to reconstruct geometry and reflectance of objects from images. Despite recent progress, existing methods often produces inaccurate reconstructions that are sensitive to ambient illumination conditions. Here we…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Hoon-Gyu Chung , Jinnyeong Kim , Hyunwoo Kang , Seung-Hwan Baek

Volumetric optical microscopy using non-diffracting beams enables rapid imaging of 3D volumes by projecting them axially to 2D images but lacks crucial depth information. Addressing this, we introduce MicroDiffusion, a pioneering tool…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Mude Hui , Zihao Wei , Hongru Zhu , Fei Xia , Yuyin Zhou

Mirror reflections are common in everyday environments and can provide stereo information within a single capture, as the real and reflected virtual views are visible simultaneously. We exploit this property by treating the reflection as an…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Jing Wu , Zirui Wang , Iro Laina , Victor Adrian Prisacariu

This work presents a flexible system to reconstruct 3D models of objects captured with an RGB-D sensor. A major advantage of the method is that our reconstruction pipeline allows the user to acquire a full 3D model of the object. This is…

计算机视觉与模式识别 · 计算机科学 2015-05-22 Aitor Aldoma , Johann Prankl , Alexander Svejda , Markus Vincze

Light field (LF) imaging, which captures both spatial and angular information of a scene, is undoubtedly beneficial to numerous applications. Although various techniques have been proposed for LF acquisition, achieving both angularly and…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Trung-Hieu Tran , Jan Berberich , Sven Simon

RGBD images, combining high-resolution color and lower-resolution depth from various types of depth sensors, are increasingly common. One can significantly improve the resolution of depth maps by taking advantage of color information; deep…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Oleg Voynov , Alexey Artemov , Vage Egiazarian , Alexander Notchenko , Gleb Bobrovskikh , Denis Zorin , Evgeny Burnaev

Typical inverse rendering methods focus on learning implicit neural scene representations by modeling the geometry, materials and illumination separately, which entails significant computations for optimization. In this work we design a…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Shuang Wu , Songlin Tang , Guangming Lu , Jianzhuang Liu , Wenjie Pei

We present a pixel recursive super resolution model that synthesizes realistic details into images while enhancing their resolution. A low resolution image may correspond to multiple plausible high resolution images, thus modeling the super…

计算机视觉与模式识别 · 计算机科学 2017-03-23 Ryan Dahl , Mohammad Norouzi , Jonathon Shlens