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Reconstructing high-quality 3D models from sparse 2D images has garnered significant attention in computer vision. Recently, 3D Gaussian Splatting (3DGS) has gained prominence due to its explicit representation with efficient training speed…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Keng-Wei Chang , Zi-Ming Wang , Shang-Hong Lai

Snapshot Compressed Imaging (SCI) offers high-speed, low-bandwidth, and energy-efficient image acquisition, but remains challenged by low-light and low signal-to-noise ratio (SNR) conditions. Moreover, practical hardware constraints in…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Fengpu Pan , Heting Gao , Jiangtao Wen , Yuxing Han

Event cameras offer a promising avenue for multi-view stereo depth estimation and Simultaneous Localization And Mapping (SLAM) due to their ability to detect blur-free 3D edges at high-speed and over broad illumination conditions. However,…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Diego Hitzges , Suman Ghosh , Guillermo Gallego

Depth acquisition, based on active illumination, is essential for autonomous and robotic navigation. LiDARs (Light Detection And Ranging) with mechanical, fixed, sampling templates are commonly used in today's autonomous vehicles. An…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Adam Wolff , Shachar Praisler , Ilya Tcenov , Guy Gilboa

Both self-supervised depth estimation and Structure-from-Motion (SfM) recover scene depth from RGB videos. Despite sharing a similar objective, the two approaches are disconnected. Prior works of self-supervision backpropagate losses…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Shengjie Zhu , Xiaoming Liu

In recent years there has been a growing interest in event cameras, i.e. vision sensors that record changes in illumination independently for each pixel. This type of operation ensures that acquisition is possible in very adverse lighting…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Tomasz Kryjak

We review camera architecture in the age of artificial intelligence. Modern cameras use physical components and software to capture, compress and display image data. Over the past 5 years, deep learning solutions have become superior to…

图像与视频处理 · 电气工程与系统科学 2020-02-13 David J. Brady , Minghao Hu , Chengyu Wang , Xuefei Yan , Lu Fang , Yiwnheng Zhu , Yang Tan , Ming Cheng , Zhan Ma

A minimalist vision system uses the smallest number of pixels needed to solve a vision task. While traditional cameras use a large grid of square pixels, a minimalist camera uses freeform pixels that can take on arbitrary shapes to increase…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Jeremy Klotz , Shree K. Nayar

Recent work has shown impressive results on data-driven defocus deblurring using the two-image views available on modern dual-pixel (DP) sensors. One significant challenge in this line of research is access to DP data. Despite many cameras…

图像与视频处理 · 电气工程与系统科学 2021-08-18 Abdullah Abuolaim , Mauricio Delbracio , Damien Kelly , Michael S. Brown , Peyman Milanfar

We present an accurate and GPU-accelerated Stereo Visual SLAM design called Jetson-SLAM. It exhibits frame-processing rates above 60FPS on NVIDIA's low-powered 10W Jetson-NX embedded computer and above 200FPS on desktop-grade 200W GPUs,…

机器人学 · 计算机科学 2024-10-08 Ashish Kumar , Jaesik Park , Laxmidhar Behera

Snapshot hyperspectral imaging systems acquire spectral data cubes through compressed sensing. Recently, diffractive snapshot spectral imaging (DSSI) methods have attracted significant attention. While various optical designs and…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Zhengyue Zhuge , Jiahui Xu , Shiqi Chen , Hao Xu , Yueting Chen , Zhihai Xu , Huajun Feng

We contribute a dense SLAM system that takes a live stream of depth images as input and reconstructs non-rigid deforming scenes in real time, without templates or prior models. In contrast to existing approaches, we do not maintain any…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Wei Gao , Russ Tedrake

This article describes a technique to augment a typical RGBD sensor by integrating depth estimates obtained via Structure-from-Motion (SfM) with sensor depth measurements. Limitations in the RGBD depth sensing technology prevent capturing…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Akash Chandrashekar , John Papadakis , Andrew Willis , Jamie Gantert

We introduce a compressive single-pixel imaging (SPI) framework for high-resolution image capture in fractions of a second. This framework combines a dedicated sampling strategy with a tailored reconstruction method to enable high-quality…

图像与视频处理 · 电气工程与系统科学 2025-09-03 Anna Pastuszczak , Rafał Stojek , Piotr Wróbel , Magdalena Cwojdzińska , Kacper Sobczak , Rafał Kotyński

Deep Separable Convolutional Neural Networks (DSCNNs) have become the emerging paradigm by offering modular networks with structural sparsity in order to achieve higher accuracy with relatively lower operations and parameters. However,…

硬件体系结构 · 计算机科学 2020-07-21 Mohammadreza Baharani , Ushma Sunil , Kaustubh Manohar , Steven Furgurson , Hamed Tabkhi

We present a large-scale computational 3D topographic microscope that enables 6-gigapixel profilometric 3D imaging at micron-scale resolution across $>$110 cm$^2$ areas over multi-millimeter axial ranges. Our computational microscope,…

Ptychography is an emerging imaging technique that is able to provide wavelength-limited spatial resolution from specimen with extended lateral dimensions. As a scanning microscopy method, a typical two-dimensional image requires a number…

Depth estimation is a critical technology in autonomous driving, and multi-camera systems are often used to achieve a 360$^\circ$ perception. These 360$^\circ$ camera sets often have limited or low-quality overlap regions, making multi-view…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Jialei Xu , Wei Yin , Dong Gong , Junjun Jiang , Xianming Liu

Deep learning video analytic systems process live video feeds from multiple cameras with computer vision models deployed on edge or cloud. To optimize utility for these systems, which usually corresponds to query accuracy, efficient…

网络与互联网体系结构 · 计算机科学 2023-06-28 Hongpeng Guo , Beitong Tian , Zhe Yang , Bo Chen , Qian Zhou , Shengzhong Liu , Klara Nahrstedt , Claudiu Danilov

We consider the problem of simultaneously estimating a dense depth map and camera pose for a large set of images of an indoor scene. While classical SfM pipelines rely on a two-step approach where cameras are first estimated using a bundle…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Benjamin Graham , David Novotny
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