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Illumination estimation is often used in mixed reality to re-render a scene from another point of view, to change the color/texture of an object, or to insert a virtual object consistently lit into a real video or photograph. Specifically,…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Grégoire Nieto , Salma Jiddi , Philippe Robert

A light field records numerous light rays from a real-world scene. However, capturing a dense light field by existing devices is a time-consuming process. Besides, reconstructing a large amount of light rays equivalent to multiple light…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Mantang Guo , Hao Zhu , Guoqing Zhou , Qing Wang

The task of capturing and rendering 3D dynamic scenes from 2D images has become increasingly popular in recent years. However, most conventional cameras are bandwidth-limited to 30-60 FPS, restricting these methods to static or slowly…

计算机视觉与模式识别 · 计算机科学 2026-04-30 David Novikov , Eilon Vaknin , Narek Tumanyan , Mark Sheinin

Simultaneous reconstruction of geometry and reflectance properties in uncontrolled environments remains a challenging problem. In this paper, we propose an efficient method to reconstruct the scene's 3D geometry and reflectance from…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Rui Li , Guangmin Zang , Miao Qi , Wolfgang Heidrich

Recent generative methods for single-shot high dynamic range (HDR) image reconstruction show promising results, but often struggle with preserving fidelity to the input image. They require separate models to handle highlights and shadows,…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Chinmay Talegaonkar , Jinshi He , Christopher McKenna , Nicholas Antipa

Scene flow is the dense 3D reconstruction of motion and geometry of a scene. Most state-of-the-art methods use a pair of stereo images as input for full scene reconstruction. These methods depend a lot on the quality of the RGB images and…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Rishav , Ramy Battrawy , René Schuster , Oliver Wasenmüller , Didier Stricker

In this paper, a method for dense semantic 3D scene reconstruction from an RGB-D sequence is proposed to solve high-level scene understanding tasks. First, each RGB-D pair is consistently segmented into 2D semantic maps based on a camera…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Yingcai Wan , Yanyan Li , Yingxuan You , Cheng Guo , Lijin Fang , Federico Tombari

Current approaches for restoration of degraded images face a trade-off: high-performance models are slow for practical use, while fast models produce poor results. Knowledge distillation transfers teacher knowledge to students, but existing…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Shourya Verma , Mengbo Wang , Nadia Atallah Lanman , Ananth Grama

A real-time image reconstruction method for scanning transmission electron microscopy (STEM) is proposed. With an algorithm requiring only the center of mass (COM) of the diffraction pattern at one probe position at a time, it is able to…

材料科学 · 物理学 2021-12-15 Chu-Ping Yu , Thomas Friedrich , Daen Jannis , Sandra Van Aert , Johan Verbeeck

Controlling illumination during video post-production is a crucial yet elusive goal in computational photography. Existing methods often lack flexibility, restricting users to certain relighting models. This paper introduces ReLumix, a…

We introduce TransformerFusion, a transformer-based 3D scene reconstruction approach. From an input monocular RGB video, the video frames are processed by a transformer network that fuses the observations into a volumetric feature grid…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Aljaž Božič , Pablo Palafox , Justus Thies , Angela Dai , Matthias Nießner

A spike camera is a specialized high-speed visual sensor that offers advantages such as high temporal resolution and high dynamic range compared to conventional frame cameras. These features provide the camera with significant advantages in…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Jinze Yu , Xin Peng , Zhengda Lu , Laurent Kneip , Yiqun Wang

Enhancing a low-light noisy RAW image into a well-exposed and clean sRGB image is a significant challenge for modern digital cameras. Prior approaches have difficulties in recovering fine-grained details and true colors of the scene under…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Qiang Wen , Zhefan Rao , Yazhou Xing , Qifeng Chen

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. The performance of existing methods is still…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Jing Jin , Mantang Guo , Junhui Hou , Hui Liu , Hongkai Xiong

Time-resolved image sensors that capture light at pico-to-nanosecond timescales were once limited to niche applications but are now rapidly becoming mainstream in consumer devices. We propose low-cost and low-power imaging modalities that…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Sacha Jungerman , Atul Ingle , Yin Li , Mohit Gupta

Dynamic environments are challenging for visual SLAM since the moving objects occlude the static environment features and lead to wrong camera motion estimation. In this paper, we present a novel dense RGB-D SLAM solution that…

机器人学 · 计算机科学 2020-03-12 Tianwei Zhang , Huayan Zhang , Yang Li , Yoshihiko Nakamura , Lei Zhang

High dynamic range (HDR) images capture much more intensity levels than standard ones. Current methods predominantly generate HDR images from 8-bit low dynamic range (LDR) sRGB images that have been degraded by the camera processing…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Yunhao Zou , Chenggang Yan , Ying Fu

Single-pixel imaging (SPI) is significant for applications constrained by transmission bandwidth or lighting band, where 3D SPI can be further realized through capturing signals carrying depth. Sampling strategy and reconstruction algorithm…

图像与视频处理 · 电气工程与系统科学 2025-04-01 Xinyue Ma , Chenxing Wang

Event camera sensors are bio-inspired sensors which asynchronously capture per-pixel brightness changes and output a stream of events encoding the polarity, location and time of these changes. These systems are witnessing rapid advancements…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Aupendu Kar , Vishnu Raj , Guan-Ming Su

Dual-view snapshot compressive imaging (SCI) aims to capture videos from two field-of-views (FoVs) using a 2D sensor (detector) in a single snapshot, achieving joint FoV and temporal compressive sensing, and thus enjoying the advantages of…

图像与视频处理 · 电气工程与系统科学 2021-09-14 Ruiying Lu , Bo Chen , Guanliang Liu , Ziheng Cheng , Mu Qiao , Xin Yuan