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We introduce the first end-to-end learning-based solution to near-field Photometric Stereo (PS), where the light sources are close to the object of interest. This setup is especially useful for reconstructing large immobile objects. Our…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Daniel Lichy , Soumyadip Sengupta , David W. Jacobs

The research on neural radiance fields for new view synthesis has experienced explosive growth with the development of new models and extensions. The NERF algorithm, suitable for underwater scenes or scattering media, is also evolving.…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Zhuoyifan Zhang , Lu Zhang , Liang Wang , Haoming Wu

Reconstruction of endoscopic scenes is an important asset for various medical applications, from post-surgery analysis to educational training. Neural rendering has recently shown promising results in endoscopic reconstruction with…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Florian Philipp Stilz , Mert Asim Karaoglu , Felix Tristram , Nassir Navab , Benjamin Busam , Alexander Ladikos

We introduce a novel method to obtain high-quality 3D reconstructions from consumer RGB-D sensors. Our core idea is to simultaneously optimize for geometry encoded in a signed distance field (SDF), textures from automatically-selected…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Robert Maier , Kihwan Kim , Daniel Cremers , Jan Kautz , Matthias Nießner

Images captured in participating media such as murky water, fog, or smoke are degraded by scattered light. Thus, the use of traditional three-dimensional (3D) reconstruction techniques in such environments is difficult. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-04-11 Yuki Fujimura , Masaaki Iiyama , Atsushi Hashimoto , Michihiko Minoh

Reconstruction of the soft tissues in robotic surgery from endoscopic stereo videos is important for many applications such as intra-operative navigation and image-guided robotic surgery automation. Previous works on this task mainly rely…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Yuehao Wang , Yonghao Long , Siu Hin Fan , Qi Dou

Neural implicit representation has attracted attention in 3D reconstruction through various success cases. For further applications such as scene understanding or editing, several works have shown progress towards object compositional…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Taekbeom Lee , Youngseok Jang , H. Jin Kim

Implicit Neural Representations have gained prominence as a powerful framework for capturing complex data modalities, encompassing a wide range from 3D shapes to images and audio. Within the realm of 3D shape representation, Neural Signed…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Amine Ouasfi , Adnane Boukhayma

Neural 3D implicit representations learn priors that are useful for diverse applications, such as single- or multiple-view 3D reconstruction. A major downside of existing approaches while rendering an image is that they require evaluating…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Tarun Yenamandra , Ayush Tewari , Nan Yang , Florian Bernard , Christian Theobalt , Daniel Cremers

We develop a method that recovers the surface, materials, and illumination of a scene from its posed multi-view images. In contrast to prior work, it does not require any additional data and can handle glossy objects or bright lighting. It…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Yue Fan , Ningjing Fan , Ivan Skorokhodov , Oleg Voynov , Savva Ignatyev , Evgeny Burnaev , Peter Wonka , Yiqun Wang

Depth estimation is a cornerstone of a vast number of applications requiring 3D assessment of the environment, such as robotics, augmented reality, and autonomous driving to name a few. One prominent technique for depth estimation is stereo…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Amit Bracha , Noam Rotstein , David Bensaïd , Ron Slossberg , Ron Kimmel

Autonomous robots should operate in real-world dynamic environments and collaborate with humans in tight spaces. A key component for allowing robots to leave structured lab and manufacturing settings is their ability to evaluate online and…

机器人学 · 计算机科学 2022-08-01 Puze Liu , Kuo Zhang , Davide Tateo , Snehal Jauhri , Jan Peters , Georgia Chalvatzaki

Unsigned Distance Fields (UDFs) are a natural implicit representation for open surfaces but, unlike Signed Distance Fields (SDFs), are challenging to triangulate into explicit meshes. This is especially true at high resolutions where neural…

图形学 · 计算机科学 2025-12-23 Federico Stella , Nicolas Talabot , Hieu Le , Pascal Fua

In the last few years, steganography has attracted increasing attention from a large number of researchers since its applications are expanding further than just the field of information security. The most traditional method is based on…

密码学与安全 · 计算机科学 2021-02-19 Quang Pham Huu , Thoi Hoang Dinh , Ngoc N. Tran , Toan Pham Van , Thanh Ta Minh

Neural signed distance functions (SDFs) are emerging as an effective representation for 3D shapes. State-of-the-art methods typically encode the SDF with a large, fixed-size neural network to approximate complex shapes with implicit…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Towaki Takikawa , Joey Litalien , Kangxue Yin , Karsten Kreis , Charles Loop , Derek Nowrouzezahrai , Alec Jacobson , Morgan McGuire , Sanja Fidler

Many real-world 3D reconstruction applications demand photorealism and metric accuracy across unbounded, complex scenes with challenging lighting and imperfect captures that current Neural Radiance Field (NeRF) pipelines only partly…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Vladislav Polianskii , Elijs Dima , Isabel Salmerón Marazuela , Gergő László Nagy , Sigurdur Sverrisson , Volodya Grancharov

Obtaining high-quality 3D reconstructions of room-scale scenes is of paramount importance for upcoming applications in AR or VR. These range from mixed reality applications for teleconferencing, virtual measuring, virtual room planing, to…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Dejan Azinović , Ricardo Martin-Brualla , Dan B Goldman , Matthias Nießner , Justus Thies

Deep learning-based multi-view stereo has emerged as a powerful paradigm for reconstructing the complete geometrically-detailed objects from multi-views. Most of the existing approaches only estimate the pixel-wise depth value by minimizing…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Yisu Zhang , Jianke Zhu , Lixiang Lin

Recently, neural implicit surfaces have become popular for multi-view reconstruction. To facilitate practical applications like scene editing and manipulation, some works extend the framework with semantic masks input for the…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Zizhang Li , Xiaoyang Lyu , Yuanyuan Ding , Mengmeng Wang , Yiyi Liao , Yong Liu

In practical applications within the human body, it is often challenging to fully encompass the target tissue or organ, necessitating the use of limited-view arrays, which can lead to the loss of crucial information. Addressing the…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Youshen xiao , Yuting Shen , Bowei Yao , Xiran Cai , Yuyao Zhang , Fei Gao