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Coded aperture snapshot hyperspectral imaging (CASSI) system which captures 2-D spatial information and 1-D spectral information in just one or two shots has become a promising technology to capture hyperspectral image (HSI). However,…

光学 · 物理学 2025-04-30 Jiayu Di , Yantao Jin , Zhenming Yu , Liming Cheng , Jingyue Ma , Ning Zhan , Kun Xu

Reflectance Transformation Imaging (RTI) is a popular technique that allows the recovery of per-pixel reflectance information by capturing an object under different light conditions. This can be later used to reveal surface details and…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Mara Pistellato , Filippo Bergamasco

Inconclusive photon subtraction (IPS) is a conditional measurement scheme to force nonlinear evolution of a given state. In IPS the input state is mixed with the vacuum in a beam splitter and then the reflected beam is revealed by ON/OFF…

量子物理 · 物理学 2009-11-07 Stefano Olivares , Matteo G. A. Paris , Rodolfo Bonifacio

3D panoptic segmentation is a challenging perception task that requires both semantic segmentation and instance segmentation. In this task, we notice that images could provide rich texture, color, and discriminative information, which can…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Zhiwei Zhang , Zhizhong Zhang , Qian Yu , Ran Yi , Yuan Xie , Lizhuang Ma

Transient imaging or light-in-flight techniques capture the propagation of an ultra-short pulse of light through a scene, which in effect captures the optical impulse response of the scene. Recently, it has been shown that we can capture…

计算机视觉与模式识别 · 计算机科学 2015-12-22 Ryuichi Tadano , Adithya Kumar Pediredla , Kaushik Mitra , Ashok Veeraraghavan

The abundant spatial and angular information from light fields has allowed the development of multiple disparity estimation approaches. However, the acquisition of light fields requires high storage and processing cost, limiting the use of…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Emmanuel Martinez , Edwin Vargas , Henry Arguello

We consider the problem of blind ptychography, that is the joint estimation of an unknown object and an illumination function from diffraction intensity measurements. In ptychography, diffraction measurements from neighboring regions of the…

最优化与控制 · 数学 2016-02-04 Stefano Marchesini , Hau-Tieng Wu

This paper is about 3D pose estimation on LiDAR scans with extremely minimal storage requirements to enable scalable mapping and localisation. We achieve this by clustering all points of segmented scans into semantic objects and…

计算机视觉与模式识别 · 计算机科学 2024-03-08 Georgi Pramatarov , Matthew Gadd , Paul Newman , Daniele De Martini

Depth completion from sparse LiDAR and high-resolution RGB data is one of the foundations for autonomous driving techniques. Current approaches often rely on CNN-based methods with several known drawbacks: flying pixel at depth…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Dennis Teutscher , Patrick Mangat , Oliver Wasenmüller

Despite strong single-turn performance, diffusion-based image compositing often struggles to preserve coherent spatial relations in pairwise or sequential edits, where subsequent insertions may overwrite previously generated content and…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Hang Zhou , Xinxin Zuo , Sen Wang , Li Cheng

Complex-field imaging is indispensable for numerous applications at wavelengths from X-ray to THz, with amplitude describing transmittance (or reflectivity) and phase revealing intrinsic structure of the target object. Coherent diffraction…

图像与视频处理 · 电气工程与系统科学 2021-04-07 Meng Li , Liheng Bian , Guoan Zheng , Andrew Maiden , Yang Liu , Yiming Li , Qionghai Dai , Jun Zhang

Pattern recognition and image classification are essential tasks in machine vision. Autonomous vehicles, for example, require being able to collect the complex information contained in a changing environment and classify it in real time.…

We describe MPSE: a Multi-Perspective Simultaneous Embedding method for visualizing high-dimensional data, based on multiple pairwise distances between the data points. Specifically, MPSE computes positions for the points in 3D and provides…

数据结构与算法 · 计算机科学 2020-08-07 Md Iqbal Hossain , Vahan Huroyan , Stephen Kobourov , Raymundo Navarrete

Cutting-edge connected vehicle (CV) technologies have drawn much attention in recent years. The real-time traffic data captured by a CV can be shared with other CVs and data centers so as to open new possibilities for solving diverse…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Shaocheng Jia , Wei Yao

Photographers routinely compose multiple manipulated photos of the same scene (layers) into a single image, which is better than any individual photo could be alone. Similarly, 3D artists set up rendering systems to produce layered images…

图形学 · 计算机科学 2017-02-03 Carlo Innamorati , Tobias Ritschel , Tim Weyrich , Niloy J. Mitra

The measurement rate of cameras that take spatially multiplexed measurements by using spatial light modulators (SLM) is often limited by the switching speed of the SLMs. This is especially true for single-pixel cameras where the…

计算机视觉与模式识别 · 计算机科学 2015-03-17 Jian Wang , Mohit Gupta , Aswin C. Sankaranarayanan

Single Pixel Imaging is an emerging imaging technique that employs a bucket detector (photodiode) to sample a spatially modulated light field, rather than measuring the spatial distribution with an array of detectors. This approach provides…

光学 · 物理学 2026-01-22 Dennis Scheidt

In this work, we propose a single deep neural network for panoptic segmentation, for which the goal is to provide each individual pixel of an input image with a class label, as in semantic segmentation, as well as a unique identifier for…

计算机视觉与模式识别 · 计算机科学 2019-02-08 Daan de Geus , Panagiotis Meletis , Gijs Dubbelman

Real-time efficient perception is critical for autonomous navigation and city scale sensing. Orthogonal to architectural improvements, streaming perception approaches have exploited adaptive sampling improving real-time detection…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Anurag Ghosh , N. Dinesh Reddy , Christoph Mertz , Srinivasa G. Narasimhan

We propose a new system to visualize depth-dependent patterns and images on solid objects with complex geometry using multiple projectors. The system, despite consisting of conventional passive LCD projectors, is able to project different…

计算机视觉与模式识别 · 计算机科学 2016-09-13 Takuto Hirukawa , Marco Visentini-Scarzanella , Hiroshi Kawasaki , Ryo Furukawa , Shinsaku Hiura