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Global registration of heterogeneous ground and aerial mapping data is a challenging task. This is especially difficult in disaster response scenarios when we have no prior information on the environment and cannot assume the regular order…

机器人学 · 计算机科学 2017-10-26 Abel Gawel , Renaud Dubé , Hartmut Surmann , Juan Nieto , Roland Siegwart , Cesar Cadena

Linear regression is a supervised method that has been widely used in classification tasks. In order to apply linear regression to classification tasks, a technique for relaxing regression targets was proposed. However, methods based on…

机器学习 · 计算机科学 2022-02-18 Yu-Hong Cai , Xiao-Jun Wu , Zhe Chen

In this work, we address the problem of refining the geometry of local image features from multiple views without known scene or camera geometry. Current approaches to local feature detection are inherently limited in their keypoint…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Mihai Dusmanu , Johannes L. Schönberger , Marc Pollefeys

We present a new local descriptor for 3D shapes, directly applicable to a wide range of shape analysis problems such as point correspondences, semantic segmentation, affordance prediction, and shape-to-scan matching. The descriptor is…

计算机视觉与模式识别 · 计算机科学 2017-09-06 Haibin Huang , Evangelos Kalogerakis , Siddhartha Chaudhuri , Duygu Ceylan , Vladimir G. Kim , Ersin Yumer

Finding localized correspondences across different images of the same object is crucial to understand its geometry. In recent years, this problem has seen remarkable progress with the advent of deep learning-based local image features and…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Arjun Karpur , Guilherme Perrotta , Ricardo Martin-Brualla , Howard Zhou , André Araujo

Mesh-free methods have significant potential for simulations in complex geometries, as the time consuming process of mesh-generation is avoided. Smoothed Particle Hydrodynamics (SPH) is the most widely used mesh-free method, but suffers…

计算物理 · 物理学 2020-06-24 Jack King , Steven Lind , Abouzied Nasar

Spatially localized deformation components are very useful for shape analysis and synthesis in 3D geometry processing. Several methods have recently been developed, with an aim to extract intuitive and interpretable deformation components.…

图形学 · 计算机科学 2017-12-19 Qingyang Tan , Lin Gao , Yu-Kun Lai , Jie Yang , Shihong Xia

While existing face recognition systems based on local features are robust to issues such as misalignment, they can exhibit accuracy degradation when comparing images of differing resolutions. This is common in surveillance environments…

计算机视觉与模式识别 · 计算机科学 2013-04-09 Yongkang Wong , Conrad Sanderson , Sandra Mau , Brian C. Lovell

Learning from Demonstration (LfD) is a popular method of reproducing and generalizing robot skills from human-provided demonstrations. In this paper, we propose a novel optimization-based LfD method that encodes demonstrations as elastic…

机器人学 · 计算机科学 2024-07-01 Brendan Hertel , Matthew Pelland , S. Reza Ahmadzadeh

LoFTR arXiv:2104.00680 is an efficient deep learning method for finding appropriate local feature matches on image pairs. This paper reports on the optimization of this method to work on devices with low computational performance and…

计算机视觉与模式识别 · 计算机科学 2022-02-03 Kyrylo Kolodiazhnyi

Regularized regression techniques for linear regression have been created the last few ten years to reduce the flaws of ordinary least squares regression with regard to prediction accuracy. In this paper, new methods for using regularized…

机器学习 · 计算机科学 2013-12-13 Doreswamy , Chanabasayya . M. Vastrad

In machining feature recognition, geometric elements generated in a three-dimensional computer-aided design model are identified. This technique is used in manufacturability evaluation, process planning, and tool path generation. Here, we…

计算几何 · 计算机科学 2023-01-10 Seungeun Lim , Changmo Yeo , Fazhi He , Jinwon Lee , Duhwan Mun

Implicit 3D surface reconstruction of an object from its partial and noisy 3D point cloud scan is the classical geometry processing and 3D computer vision problem. In the literature, various 3D shape representations have been developed,…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Atharva Pandey , Vishal Yadav , Rajendra Nagar , Santanu Chaudhury

Unsigned distance fields (UDFs) provide a versatile framework for representing a diverse array of 3D shapes, encompassing both watertight and non-watertight geometries. Traditional UDF learning methods typically require extensive training…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Jiangbei Hu , Yanggeng Li , Fei Hou , Junhui Hou , Zhebin Zhang , Shengfa Wang , Na Lei , Ying He

Local climate zones (LCZs) established a standard classification system to categorize the landscape universe for improved urban climate studies. Existing LCZ mapping is guided by human interaction with geographic information systems (GIS)…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Chenying Liu , Hunsoo Song , Anamika Shreevastava , Conrad M Albrecht

We propose the first Large Reconstruction Model (LRM) that predicts the 3D model of an object from a single input image within just 5 seconds. In contrast to many previous methods that are trained on small-scale datasets such as ShapeNet in…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Yicong Hong , Kai Zhang , Jiuxiang Gu , Sai Bi , Yang Zhou , Difan Liu , Feng Liu , Kalyan Sunkavalli , Trung Bui , Hao Tan

Capturing different intensity and directions of light rays at the same scene Light field (LF) can encode the 3D scene cues into a 4D LF image which has a wide range of applications (i.e. post-capture refocusing and depth sensing). LF image…

图像与视频处理 · 电气工程与系统科学 2024-09-27 Zhongxin Yu , Liang Chen , Zhiyun Zeng , Kunping Yang , Shaofei Luo , Shaorui Chen , Cheng Zhong

LiDAR sensors are essential for autonomous systems, yet LiDAR fiducial markers (LFMs) lag behind visual fiducial markers (VFMs) in adoption and utility. Bridging this gap is vital for robotics and computer vision but challenging due to the…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Yibo Liu

Radiologists have preferred visual impressions or 'styles' of X-ray images that are manually adjusted to their needs to support their diagnostic performance. In this work, we propose an automatic and interpretable X-ray style transfer by…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Dominik Eckert , Ludwig Ritschl , Christopher Syben , Christian Hümmer , Julia Wicklein , Marcel Beister , Steffen Kappler , Sebastian Stober

Learned sparse retrieval (LSR) is a family of first-stage retrieval methods that are trained to generate sparse lexical representations of queries and documents for use with an inverted index. Many LSR methods have been recently introduced,…

信息检索 · 计算机科学 2023-03-28 Thong Nguyen , Sean MacAvaney , Andrew Yates