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Related papers: k-d Darts: Sampling by k-Dimensional Flat Searches

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Many point-based 3D detectors adopt point-feature sampling strategies to drop some points for efficient inference. These strategies are typically based on fixed and handcrafted rules, making it difficult to handle complicated scenes.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Jinrong Yang , Lin Song , Songtao Liu , Weixin Mao , Zeming Li , Xiaoping Li , Hongbin Sun , Jian Sun , Nanning Zheng

Flat surfaces captured by 3D point clouds are often used for localization, mapping, and modeling. Dense point cloud processing has high computation and memory costs making low-dimensional representations of flat surfaces such as polygons…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Jeremy Castagno , Ella Atkins

Differentiable Architecture Search (DARTS) is an effective continuous relaxation-based network architecture search (NAS) method with low search cost. It has attracted significant attentions in Auto-ML research and becomes one of the most…

Artificial Intelligence · Computer Science 2022-03-10 Jun-Wei Hsieh , Ming-Ching Chang , Ping-Yang Chen , Santanu Santra , Cheng-Han Chou , Chih-Sheng Huang

Solving geometric optimization problems over uncertain data have become increasingly important in many applications and have attracted a lot of attentions in recent years. In this paper, we study two important geometric optimization…

Computational Geometry · Computer Science 2016-09-13 Lingxiao Huang , Jian Li

Deep neural networks have rapidly become the mainstream method for face recognition (FR). However, this limits the deployment of such models that contain an extremely large number of parameters to embedded and low-end devices. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Fadi Boutros , Patrick Siebke , Marcel Klemt , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

In this paper we combine the Alias method with the concept of systematic sampling, a method commonly used in particle filters for efficient low-variance resampling. The proposed method allows very fast sampling from a discrete distribution:…

Data Structures and Algorithms · Computer Science 2025-09-30 Ilari Vallivaara , Katja Poikselkä , Pauli Rikula , Juha Röning

In this paper, we formulate a top-k query that compares objects in a database to a user-provided query object on a novel scoring function. The proposed scoring function combines the idea of attractive and repulsive dimensions into a general…

Databases · Computer Science 2011-12-01 Sayan Ranu , Ambuj K. Singh

A computationally inexpensive k.p-based interpolation scheme is developed that can extend the eigenvalues and momentum matrix elements of a sparsely sampled k-point grid into a densely sampled one. Dense sampling, often required to…

Materials Science · Physics 2017-03-23 Kristian Berland , Clas Persson

Monocular depth estimation (MDE) methods are often either too computationally expensive or not accurate enough due to the trade-off between model complexity and inference performance. In this paper, we propose a lightweight network that can…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Junjie Hu , Chenyou Fan , Hualie Jiang , Xiyue Guo , Yuan Gao , Xiangyong Lu , Tin Lun Lam

Estimating similarity between vertices is a fundamental issue in network analysis across various domains, such as social networks and biological networks. Methods based on common neighbors and structural contexts have received much…

Social and Information Networks · Computer Science 2015-04-14 Jing Zhang , Jie Tang , Cong Ma , Hanghang Tong , Yu Jing , Juanzi Li

Semidefinite programming (SDP) is a powerful tool for tackling a wide range of computationally hard problems such as clustering. Despite the high accuracy, semidefinite programs are often too slow in practice with poor scalability on large…

Machine Learning · Statistics 2022-02-10 Yubo Zhuang , Xiaohui Chen , Yun Yang

Clustering can be defined as the process of assembling objects into a number of groups whose elements are similar to each other in some manner. As a technique that is used in many domains, such as face clustering, plant categorization,…

Machine Learning · Computer Science 2022-04-05 Mehmet F. Demirel , Enrico Au-Yeung

Object detection has achieved remarkable accuracy through deep learning, yet these improvements often come with increased computational cost, limiting deployment on resource-constrained devices. Knowledge Distillation (KD) provides an…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Mahdi Golizadeh , Nassibeh Golizadeh , Mohammad Ali Keyvanrad , Hossein Shirazi

Knowledge distillation (KD) is commonly deemed as an effective model compression technique in which a compact model (student) is trained under the supervision of a larger pretrained model or an ensemble of models (teacher). Various…

Machine Learning · Computer Science 2020-07-08 Fahad Sarfraz , Elahe Arani , Bahram Zonooz

We obtain the first strong coresets for the $k$-median and subspace approximation problems with sum of distances objective function, on $n$ points in $d$ dimensions, with a number of weighted points that is independent of both $n$ and $d$;…

Data Structures and Algorithms · Computer Science 2022-04-15 Christian Sohler , David P. Woodruff

New algorithms are devised for finding the maxima of multidimensional point samples, one of the very first problems studied in computational geometry. The algorithms are very simple and easily coded and modified for practical needs. The…

Data Structures and Algorithms · Computer Science 2009-10-09 Wei-Mei Chen , Hsien-Kuei Hwang , Tsung-Hsi Tsai

The convergence speed of stochastic gradient descent (SGD) can be improved by actively selecting mini-batches. We explore sampling schemes where similar data points are less likely to be selected in the same mini-batch. In particular, we…

Machine Learning · Statistics 2018-06-21 Cheng Zhang , Cengiz Öztireli , Stephan Mandt , Giampiero Salvi

We enlarge the number of available functional depths by introducing the kernelized functional spatial depth (KFSD). KFSD is a local-oriented and kernel-based version of the recently proposed functional spatial depth (FSD) that may be useful…

Methodology · Statistics 2015-01-09 Carlo Sguera , Pedro Galeano , Rosa Lillo

Knowledge distillation (KD) is a widely adopted technique for compressing large models into smaller, more efficient student models that can be deployed on devices with limited computational resources. Among various KD methods, Relational…

Quantum Physics · Physics 2025-08-19 Chen-Yu Liu , Kuan-Cheng Chen , Keisuke Murota , Samuel Yen-Chi Chen , Enrico Rinaldi

Recent advances in deep learning have improved 3D point cloud registration but increased graphics processing unit (GPU) memory usage, often requiring preliminary sampling that reduces accuracy. We propose an overlapping region sampling…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Tomoyasu Shimada , Kazuhiko Murasaki , Shogo Sato , Toshihiko Nishimura , Taiga Yoshida , Ryuichi Tanida