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The goal of ranking and selection (R&S) procedures is to identify the best stochastic system from among a finite set of competing alternatives. Such procedures require constructing estimates of each system's performance, which can be…

分布式、并行与集群计算 · 计算机科学 2015-06-17 Eric C. Ni , Dragos F. Ciocan , Shane G. Henderson , Susan R. Hunter

We propose a new exact approach for solving integer linear programming (ILP) problems which we will call projective splitting algorithms (PSAs). Unlike classical methods for solving ILP problems, PSAs conduct the search for the optimal…

最优化与控制 · 数学 2014-04-16 Federico Rodes , Isabel Mendez-Diaz , Paula Zabala

Hashing methods have been widely used for efficient similarity retrieval on large scale image database. Traditional hashing methods learn hash functions to generate binary codes from hand-crafted features, which achieve limited accuracy…

计算机视觉与模式识别 · 计算机科学 2017-11-08 Jian Zhang , Yuxin Peng

This paper presents a parallel Salt and Pepper (SP) noise removal algorithm in a grey level digital image based on the Hypergraph Based Root Mean Square (HGRMS) approach. HGRMS is generic algorithm for identifying noisy pixels in any…

分布式、并行与集群计算 · 计算机科学 2013-07-02 Tejaswi Agarwal , Saurabh Jha , B. Rajesh Kanna

A scanning pixel camera is a novel low-cost, low-power sensor that is not diffraction limited. It produces data as a sequence of samples extracted from various parts of the scene during the course of a scan. It can provide very detailed…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Yusuf Duman , Jean-Yves Guillemaut , Simon Hadfield

Inspired by biological vision systems, the over-complete local features with huge cardinality are increasingly used for face recognition during the last decades. Accordingly, feature selection has become more and more important and plays a…

计算机视觉与模式识别 · 计算机科学 2011-02-15 Yixiong Liang , Lei Wang , Yao Xiang , Beiji Zou

The growing use of wide angle image capture devices and the need for fast and accurate image analysis in computer visions have enforced the need for dedicated under-representation approaches. Most recent decomposition methods segment an…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Rémi Giraud , Rodrigo Borba Pinheiro , Yannick Berthoumieu

The rise in virtual and mixed reality systems has prompted a resurgence of interest in two-dimensional and three-dimensional real-time computer generated holography. Phase randomisation is an integral part of holographic projection as it…

信号处理 · 电气工程与系统科学 2020-04-09 Peter J. Christopher , Timothy D. Wilkinson

Evaluating text-to-image generation models requires alignment with human perception, yet existing human-centric metrics are constrained by limited data coverage, suboptimal feature extraction, and inefficient loss functions. To address…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Yuhang Ma , Yunhao Shui , Xiaoshi Wu , Keqiang Sun , Hongsheng Li

We present a method to search for a probe (or query) image representation against a large gallery in the encrypted domain. We require that the probe and gallery images be represented in terms of a fixed-length representation, which is…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Joshua J. Engelsma , Anil K. Jain , Vishnu Naresh Boddeti

Bitmap indexes must be compressed to reduce input/output costs and minimize CPU usage. To accelerate logical operations (AND, OR, XOR) over bitmaps, we use techniques based on run-length encoding (RLE), such as Word-Aligned Hybrid (WAH)…

数据库 · 计算机科学 2009-01-19 Owen Kaser , Daniel Lemire , Kamel Aouiche

In the field of image analysis, segmentation is one of the most important preprocessing steps. One way to achieve segmentation is by mean of threshold selection, where each pixel that belongs to a determined class islabeled according to the…

计算机视觉与模式识别 · 计算机科学 2014-05-30 Valentín Osuna-Enciso , Erik Cuevas , Humberto Sossa

This paper presents a novel multicriteria shortest path search algorithm called Hierarchical MLS. The distinguishing feature of the algorithm is the multilayered structure of compressed k-Path-Cover graphs it operates on. In addition to…

数据结构与算法 · 计算机科学 2025-03-18 Temirlan Kurbanov , Linxiao Miao , Jiří Vokřínek

Feature matching between image pairs is a fundamental problem in computer vision that drives many applications, such as SLAM. Recently, semi-dense matching approaches have achieved substantial performance enhancements and established a…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Xiaolong Wang , Lei Yu , Yingying Zhang , Jiangwei Lao , Lixiang Ru , Liheng Zhong , Jingdong Chen , Yu Zhang , Ming Yang

Symbolic regression (SR) is a data analysis problem where we search for the mathematical expression that best fits a numerical dataset. It is a global optimization problem. The most popular approach to SR is by genetic programming (SRGP).…

神经与进化计算 · 计算机科学 2019-11-19 Sohrab Towfighi

The accuracy of 3D Human Pose and Shape reconstruction (HPS) from an image is progressively improving. Yet, no known method is robust across all image distortion. To address issues due to variations of camera poses, we introduce SHARE, a…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Shreelekha Revankar , Shijia Liao , Yu Shen , Junbang Liang , Huaishu Peng , Ming Lin

The Boolean Satisfiability problem (SAT) is important on artificial intelligence community and the impact of its solving on complex problems. Recently, great breakthroughs have been made respectively on stochastic local search (SLS)…

人工智能 · 计算机科学 2020-08-05 Huimin Fu , Yang Xu , Jun Liu , Guanfeng Wu , Sutcliffe Geoff

This paper proposes an improved steganography approach for hiding text messages in lossless RGB images. The objective of this work is to increase the security level and to improve the storage capacity with compression techniques. The…

密码学与安全 · 计算机科学 2013-04-18 Ankit Chaudhary , J. Vasavada , J. L. Raheja , S. Kumar , M. Sharma

Iterative Hessian sketch (IHS) is an effective sketching method for modeling large-scale data. It was originally proposed by Pilanci and Wainwright (2016; JMLR) based on randomized sketching matrices. However, it is computationally…

机器学习 · 统计学 2020-03-10 Aijun Zhang , Hengtao Zhang , Guosheng Yin

Multi-exposure image fusion (MEF) has emerged as a prominent solution to address the limitations of digital imaging in representing varied exposure levels. Despite its advancements, the field grapples with challenges, notably the reliance…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Guanyao Wu , Hongming Fu , Jinyuan Liu , Long Ma , Xin Fan , Risheng Liu