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We introduce Contrastive Gaussian Clustering, a novel approach capable of provide segmentation masks from any viewpoint and of enabling 3D segmentation of the scene. Recent works in novel-view synthesis have shown how to model the…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Myrna C. Silva , Mahtab Dahaghin , Matteo Toso , Alessio Del Bue

The ability to recognize previously mapped locations is an essential feature for autonomous systems. Unstructured planetary-like environments pose a major challenge to these systems due to the similarity of the terrain. As a result, the…

In this paper, we proposed an effective face feature extraction method by Learning Gabor Log-Euclidean Gaussian with Whitening Principal Component Analysis (WPCA), called LGLG-WPCA. The proposed method learns face features from the embedded…

计算机视觉与模式识别 · 计算机科学 2019-06-10 Chaorong Li , Huang Wei , Huafu Chen

Interactive segmentation of 3D Gaussians opens a great opportunity for real-time manipulation of 3D scenes thanks to the real-time rendering capability of 3D Gaussian Splatting. However, the current methods suffer from time-consuming…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Seokhun Choi , Hyeonseop Song , Jaechul Kim , Taehyeong Kim , Hoseok Do

We present LocoGS, a locality-aware 3D Gaussian Splatting (3DGS) framework that exploits the spatial coherence of 3D Gaussians for compact modeling of volumetric scenes. To this end, we first analyze the local coherence of 3D Gaussian…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Seungjoo Shin , Jaesik Park , Sunghyun Cho

The development of a multiple-channel lock-in optical spectrometer (LIOS) is presented, which enables parallel phase-sensitive detection at the output of an optical spectrometer. The light intensity from a spectrally broad source is…

其他凝聚态物理 · 物理学 2009-11-10 P. S. Fodor , S. Rothenberger , J. Levy

In this work, we propose a method that leverages CLIP feature distillation, achieving efficient 3D segmentation through language guidance. Unlike previous methods that rely on multi-scale CLIP features and are limited by processing speed…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Xingyu Miao , Haoran Duan , Yang Bai , Tejal Shah , Jun Song , Yang Long , Rajiv Ranjan , Ling Shao

Computer methods and image processing provide medical doctors assistance at any time and relieve their workload, especially for iterative processes like identifying objects of interest such as lesions and anatomical structures from the…

医学物理 · 物理学 2020-04-27 Meysam Tavakoli , Faraz Kalantari , Alireza Golestaneh

Human eye gaze detection plays an important role in various fields, including human-computer interaction, virtual reality and cognitive science. Although different relatively accurate systems of eye tracking and gaze detection exist, they…

人机交互 · 计算机科学 2017-09-13 Ehsan Arbabi , Mohammad Shabani , Ali Yarigholi

Channel models for massive MIMO are typically based on matrices with complex Gaussian entries, extended by the Kronecker and Weichselberger model. One reason for observing a gap between modeled and actual channel behavior is the absence of…

信息论 · 计算机科学 2018-04-18 Maximilian Arnold , Johannes Pfeiffer , Stephan ten Brink

Natural (such as lunar) occultations have long been used to study sources on small angular scales, while coronographs have been used to study high contrast sources. We propose launching the Improved Resolution and Image Selection (IRIS)…

天体物理学 · 物理学 2016-08-30 Glenn D. Starkman , Craig J Copi

This paper studies the problem of estimating physical properties (system identification) through visual observations. To facilitate geometry-aware guidance in physical property estimation, we introduce a novel hybrid framework that…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Junhao Cai , Yuji Yang , Weihao Yuan , Yisheng He , Zilong Dong , Liefeng Bo , Hui Cheng , Qifeng Chen

We present EasyCritics, an algorithm to detect strongly-lensing groups and clusters in wide-field surveys without relying on a direct recognition of arcs. EasyCritics assumes that light traces mass in order to predict the most likely…

宇宙学与河外天体物理 · 物理学 2018-10-24 Sebastian Stapelberg , Mauricio Carrasco , Matteo Maturi

In this paper, we present and study a new image segmentation task, called Generalized Open-set Semantic Segmentation (GOSS). Previously, with the well-known open-set semantic segmentation (OSS), the intelligent agent only detects the…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Jie Hong , Weihao Li , Junlin Han , Jiyang Zheng , Pengfei Fang , Mehrtash Harandi , Lars Petersson

3D Gaussian Splatting can exploit frustum culling and level-of-detail strategies to accelerate rendering of scenes containing a large number of primitives. However, the semi-transparent nature of Gaussians prevents the application of…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Brent Zoomers , Florian Hahlbohm , Joni Vanherck , Lode Jorissen , Marcus Magnor , Nick Michiels

Iris-based identification systems are among the most popular approaches for person identification. Such systems require good-quality segmentation modules that ideally identify the regions for different eye components. This paper introduces…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Wiktor Lazarski , Maciej Zieba , Tanguy Jeanneau , Tobias Zillig , Christian Brendel

The community detection problem for graphs asks one to partition the n vertices V of a graph G into k communities, or clusters, such that there are many intracluster edges and few intercluster edges. Of course this is equivalent to finding…

信息论 · 计算机科学 2018-08-21 Ming-Jun Lai , Daniel Mckenzie

This paper presents a model-driven approach to detect image line segments. The approach incrementally detects segments on the gradient image using a linear Kalman filter that estimates the supporting line parameters and their associated…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Berger Cyrille , Lacroix Simon

In order to successfully perform manipulation tasks in new environments, such as grasping, robots must be proficient in segmenting unseen objects from the background and/or other objects. Previous works perform unseen object instance…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Howard H. Qian , Yangxiao Lu , Kejia Ren , Gaotian Wang , Ninad Khargonkar , Yu Xiang , Kaiyu Hang

Detection and localization of image manipulations like splices are gaining in importance with the easy accessibility of image editing softwares. While detection generates a verdict for an image it provides no insight into the manipulation.…

计算机视觉与模式识别 · 计算机科学 2019-06-28 Aurobrata Ghosh , Zheng Zhong , Terrance E Boult , Maneesh Singh