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Ray optics is a useful tool even in the regime where, actually, full wave-calculations would be appropriate. However, wave-inspired adjustments are needed to ensure the accuracy of ray-based predictions. These corrections are known as the…

光学 · 物理学 2014-07-25 Pia Adam , Jakob Kreismann , Martina Hentschel

We propose to utilize self-supervised techniques in the 2D domain for fine-grained 3D shape segmentation tasks. This is inspired by the observation that view-based surface representations are more effective at modeling high-resolution…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Gopal Sharma , Kangxue Yin , Subhransu Maji , Evangelos Kalogerakis , Or Litany , Sanja Fidler

Utilizing recently developed abstract notions of sectional curvature, we introduce a method for constructing a curvature-based geometric profile of discrete metric spaces. The curvature concept that we use here captures the metric relations…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Charlotte Beylier , Parvaneh Joharinad , Jürgen Jost , Nahid Torbati

We present a novel hybrid strategy based on machine learning to improve curvature estimation in the level-set method. The proposed inference system couples enhanced neural networks with standard numerical schemes to compute curvature more…

机器学习 · 计算机科学 2022-09-29 Luis Ángel Larios-Cárdenas , Frédéric Gibou

Differentiable rendering has received increasing interest for image-based inverse problems. It can benefit traditional optimization-based solutions to inverse problems, but also allows for self-supervision of learning-based approaches for…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Linjie Lyu , Marc Habermann , Lingjie Liu , Mallikarjun B R , Ayush Tewari , Christian Theobalt

Future X-ray astrophysics missions will survey large areas of the sky with unparalleled sensitivity, enabled by lightweight, high-resolution optics. These optics inherently produce curved focal surfaces with radii as small as 2 m, requiring…

One of the challenging input settings for visual servoing is when the initial and goal camera views are far apart. Such settings are difficult because the wide baseline can cause drastic changes in object appearance and cause occlusions.…

机器人学 · 计算机科学 2022-09-13 Jinwook Huh , Jungseok Hong , Suveer Garg , Hyun Soo Park , Volkan Isler

While virtual reality (VR) holds significant potential to revolutionize digital user interaction, how visual information is presented through VR head-mounted displays (HMDs) differs from naturalistic viewing and interactions in physical…

State-of-the-art object pose estimation methods are prone to generating geometrically infeasible pose hypotheses. This problem is prevalent in dexterous manipulation, where estimated poses often intersect with the robotic hand or are not…

机器人学 · 计算机科学 2026-03-24 Anil Zeybek , Rhys Newbury , Snehal Dikhale , Nawid Jamali , Soshi Iba , Akansel Cosgun

Images obtained by drift-scanning with a stationary telescope are affected by the declination-dependent curvature of star trails. The image displacement to curvature and drift rate variation increases with the angular field of view and can…

天体物理学 · 物理学 2009-10-30 Paul Hickson , E. Harvey Richardson

Real-time object pose estimation and tracking is challenging but essential for emerging augmented reality (AR) applications. In general, state-of-the-art methods address this problem using deep neural networks which indeed yield…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Yo-Chung Lau , Kuan-Wei Tseng , I-Ju Hsieh , Hsiao-Ching Tseng , Yi-Ping Hung

360{\deg} video provides an immersive experience for viewers, allowing them to freely explore the world by turning their head. However, creating high-quality 360{\deg} video content can be challenging, as viewers may miss important events…

图形学 · 计算机科学 2019-01-15 Chengzhou Tang , Oliver Wang , Feng Liu , Ping Tan

We suggest a rasterization pipeline tailored towards the need of head-mounted displays (HMD), where latency and field-of-view requirements pose new challenges beyond those of traditional desktop displays. Instead of rendering and warping…

图形学 · 计算机科学 2018-06-15 Tobias Ritschel , Sebastian Friston , Anthony Steed

Self-supervised learning for monocular depth estimation is widely investigated as an alternative to supervised learning approach, that requires a lot of ground truths. Previous works have successfully improved the accuracy of depth…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Noriaki Hirose , Shun Taguchi , Keisuke Kawano , Satoshi Koide

Object detection has recently seen an interesting trend in terms of the most innovative research work, this task being of particular importance in the field of remote sensing, given the consistency of these images in terms of geographical…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Anasse Boutayeb , Iyad Lahsen-cherif , Ahmed El Khadimi

Physics-based differentiable rendering (PBDR) has become an efficient method in computer vision, graphics, and machine learning for addressing an array of inverse problems. PBDR allows patterns to be generated from perceptions which can be…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Preetish Kakkar , Srijani Mukherjee , Hariharan Ragothaman , Vishal Mehta

In this paper, we propose the differentiable voxelization of 3D meshes via the winding number and solid angles. The proposed approach achieves fast, flexible, and accurate voxelization of 3D meshes, admitting the computation of gradients…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Yihao Luo , Yikai Wang , Zhengrui Xiang , Yuliang Xiu , Guang Yang , ChoonHwai Yap

Visual error metrics play a fundamental role in the quantification of perceived image similarity. Most recently, use cases for them in real-time applications have emerged, such as content-adaptive shading and shading reuse to increase…

图形学 · 计算机科学 2023-10-16 João Libório Cardoso , Bernhard Kerbl , Lei Yang , Yury Uralsky , Michael Wimmer

A paradigm for the design of systems that manage level of detail in virtual environments is proposed. As an example of the prototyping step in this paradigm, a user study was performed to evaluate the effectiveness of high detail insets…

人机交互 · 计算机科学 2025-06-27 Benjamin Watson , Neff Walker , Larry F Hodges , Martin Reddy

This paper presents the design and simulation of a new curved monopole antenna optimized for skywave HF radar applications, with a systematic investigation of the effects of curvature and fixed-section length on antenna performance. The…

系统与控制 · 电气工程与系统科学 2026-03-10 Masoud Salmani Arani , Reza Shahidi , Lihong Zhang