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We present an approach to depth estimation that fuses information from a stereo pair with sparse range measurements derived from a LIDAR sensor or a range camera. The goal of this work is to exploit the complementary strengths of the two…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Shreyas S. Shivakumar , Kartik Mohta , Bernd Pfrommer , Vijay Kumar , Camillo J. Taylor

Gated cameras hold promise as an alternative to scanning LiDAR sensors with high-resolution 3D depth that is robust to back-scatter in fog, snow, and rain. Instead of sequentially scanning a scene and directly recording depth via the photon…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Amanpreet Walia , Stefanie Walz , Mario Bijelic , Fahim Mannan , Frank Julca-Aguilar , Michael Langer , Werner Ritter , Felix Heide

Previous deep image registration methods that employ single homography, multi-grid homography, or thin-plate spline often struggle with real scenes containing depth disparities due to their inherent limitations. To address this, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Haokai Zhu , Bo Qu , Si-Yuan Cao , Runmin Zhang , Shujie Chen , Bailin Yang , Hui-Liang Shen

We propose a fully asynchronous peak detection approach for SPAD-based direct time-of-flight (dToF) flash LiDAR, enabling pixel-wise event-driven depth acquisition without global synchronization. By allowing pixels to independently report…

Image and Video Processing · Electrical Eng. & Systems 2025-12-29 Yiyang Liu , Rongxuan Zhang , Istvan Gyongy , Alistair Gorman , Sarrah M. Patanwala , Filip Taneski , Robert K. Henderson

We propose DeepMultiCap, a novel method for multi-person performance capture using sparse multi-view cameras. Our method can capture time varying surface details without the need of using pre-scanned template models. To tackle with the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Yang Zheng , Ruizhi Shao , Yuxiang Zhang , Tao Yu , Zerong Zheng , Qionghai Dai , Yebin Liu

Plenoptic cameras are receiving increasing attention in scientific and commercial applications because they capture the entire structure of light in a scene, enabling optical transforms (such as focusing) to be applied computationally after…

Image and Video Processing · Electrical Eng. & Systems 2020-10-16 Christopher Hahne , Andrew Lumsdaine , Amar Aggoun , Vladan Velisavljevic

Efficient and accurate camera pose estimation forms the foundational requirement for dense reconstruction in autonomous navigation, robotic perception, and virtual simulation systems. This paper addresses the challenge via cuSfM, a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Jingrui Yu , Jun Liu , Kefei Ren , Joydeep Biswas , Rurui Ye , Keqiang Wu , Chirag Majithia , Di Zeng

We present an imaging framework which converts three images from a gated camera into high-resolution depth maps with depth accuracy comparable to pulsed lidar measurements. Existing scanning lidar systems achieve low spatial resolution at…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Tobias Gruber , Frank Julca-Aguilar , Mario Bijelic , Werner Ritter , Klaus Dietmayer , Felix Heide

We present a scalable in-pixel processing architecture that can reduce the data throughput by 10X and consume less than 30 mW per megapixel at the imager frontend. Unlike the state-of-the-art (SOA) analog process-in-pixel (PIP) that…

Hardware Architecture · Computer Science 2022-10-17 David Zhang , Gooitzen van der Wal , Saurabh Farkya , Thomas Senko , Aswin Raghavan , Michael Isnardi , Michael Piacentino

Defocus blur arises in images that are captured with a shallow depth of field due to the use of a wide aperture. Correcting defocus blur is challenging because the blur is spatially varying and difficult to estimate. We propose an effective…

Image and Video Processing · Electrical Eng. & Systems 2020-07-20 Abdullah Abuolaim , Michael S. Brown

Wildfires represent one of the most relevant natural disasters worldwide, due to their impact on various societal and environmental levels. Thus, a significant amount of research has been carried out to investigate and apply computer vision…

Differential dynamic microscopy (DDM) is increasingly used in the fields of soft matter physics and biophysics to extract the dynamics of microscopic objects across a range of wavevectors using optical microscopy. Standard DDM is limited to…

Soft Condensed Matter · Physics 2021-02-24 Ruilin You , Ryan McGorty

We present HyperCam, an energy-efficient image classification pipeline that enables computer vision tasks onboard low-power IoT camera systems. HyperCam leverages hyperdimensional computing to perform training and inference efficiently on…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Chae Young Lee , Pu , Yi , Maxwell Fite , Tejus Rao , Sara Achour , Zerina Kapetanovic

Depth estimation is an important computer vision problem with many practical applications to mobile devices. While many solutions have been proposed for this task, they are usually very computationally expensive and thus are not applicable…

Depth estimation is an important computer vision task, useful in particular for navigation in autonomous vehicles, or for object manipulation in robotics. Here we solved it using an end-to-end neuromorphic approach, combining two…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Ulysse Rançon , Javier Cuadrado-Anibarro , Benoit R. Cottereau , Timothée Masquelier

Incorporating camera intrinsics into video generation models offers a principled way to control not only scene dynamics but also the imaging process that governs visual appearance. Prior work has primarily focused on extrinsic control, such…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Debabrata Mandal , Zhihan Peng , Yujie Wang , Praneeth Chakravarthula

Monocular depth estimation is an important step in many downstream tasks in machine vision. We address the topic of estimating monocular depth from defocus blur which can yield more accurate results than the semantic based depth estimation…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Lahiru Wijayasingha , Homa Alemzadeh , John A. Stankovic

Smartphone cameras today are increasingly approaching the versatility and quality of professional cameras through a combination of hardware and software advancements. However, fixed aperture remains a key limitation, preventing users from…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Hadi Alzayer , Abdullah Abuolaim , Leung Chun Chan , Yang Yang , Ying Chen Lou , Jia-Bin Huang , Abhishek Kar

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…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Sacha Jungerman , Atul Ingle , Yin Li , Mohit Gupta

This paper focuses on increasing the resolution of depth maps obtained from 3D cameras using structured light technology. Two deep learning models FDSR and DKN are modified to work with high-resolution data, and data pre-processing…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Martin Melicherčík , Lukáš Gajdošech , Viktor Kocur , Martin Madaras
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