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Population-based metaheuristic algorithms have received significant attention in global optimisation. Human Mental Search (HMS) is a relatively recent population-based metaheuristic that has been shown to work well in comparison to other…

神经与进化计算 · 计算机科学 2021-11-23 Ehsan Bojnordi , Seyed Jalaleddin Mousavirad , Gerald Schaefer , Iakov Korovin

We propose a novel method for unsupervised semantic image segmentation based on mutual information maximization between local and global high-level image features. The core idea of our work is to leverage recent progress in self-supervised…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Robert Harb , Patrick Knöbelreiter

A novel algorithm is proposed for segmenting an image into multiple levels using its mean and variance. Starting from the extreme pixel values at both ends of the histogram plot, the algorithm is applied recursively on sub-ranges computed…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Siddharth Arora , Jayadev Acharya , Amit Verma , Prasanta K. Panigrahi

Top-k threshold estimation is the problem of estimating the score of the k-th highest ranking result of a search query. A good estimate can be used to speed up many common top-k query processing algorithms, and thus a number of researchers…

信息检索 · 计算机科学 2024-12-17 Jinrui Gou , Yifan Liu , Minghao Shao , Torsten Suel

Clustering of web search result document has emerged as a promising tool for improving retrieval performance of an Information Retrieval (IR) system. Search results often plagued by problems like synonymy, polysemy, high volume etc.…

信息检索 · 计算机科学 2015-03-24 Mansaf Alam , Kishwar Sadaf

Learning to rank has recently emerged as an attractive technique to train deep convolutional neural networks for various computer vision tasks. Pairwise ranking, in particular, has been successful in multi-label image classification,…

计算机视觉与模式识别 · 计算机科学 2017-06-02 Yuncheng Li , Yale Song , Jiebo Luo

In this article using Cuckoo Optimization Algorithm and simple additive weighting method the hybrid COAW algorithm is presented to solve multi-objective problems. Cuckoo algorithm is an efficient and structured method for solving nonlinear…

神经与进化计算 · 计算机科学 2016-11-03 Zeinab Borhanifar , Elham Shadkam

Feature selection is an effective preprocessing technique to reduce data dimension. For feature selection, rough set theory provides many measures, among which mutual information is one of the most important attribute measures. However,…

人工智能 · 计算机科学 2024-08-27 Zhao , Chen

Hyperspectral image is a substitution of more than a hundred images, called bands, of the same region. They are taken at juxtaposed frequencies. The reference image of the region is called Ground Truth map (GT). the problematic is how to…

计算机视觉与模式识别 · 计算机科学 2012-10-03 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

This paper explores the use of the Learning Automata (LA) algorithm to compute threshold selection for image segmentation as it is a critical preprocessing step for image analysis, pattern recognition and computer vision. LA is a heuristic…

计算机视觉与模式识别 · 计算机科学 2014-05-30 Erik Cuevas , Daniel Zaldivar , Marco Perez

A hybrid evolutionary algorithm with importance sampling method is proposed for multi-dimensional optimization problems in this paper. In order to make use of the information provided in the search process, a set of visited solutions is…

神经与进化计算 · 计算机科学 2013-08-26 Guanghui Huang , Zhifeng Pan

We present the Cuckoo Trie, a fast, memory-efficient ordered index structure. The Cuckoo Trie is designed to have memory-level parallelism -- which a modern out-of-order processor can exploit to execute DRAM accesses in parallel -- without…

数据结构与算法 · 计算机科学 2022-01-25 Adar Zeitak , Adam Morrison

Retrieving images from large and varied repositories using visual contents has been one of major research items, but a challenging task in the image management community. In this paper we present an efficient approach for region-based image…

计算机视觉与模式识别 · 计算机科学 2010-06-24 S. Sadek , A. Al-Hamadi , B. Michaelis , U. Sayed

In this paper, we present an implementation of a cuckoo filter for membership testing, optimized for distributed data stores operating in high workloads. In large databases, querying becomes inefficient using traditional search methods. To…

分布式、并行与集群计算 · 计算机科学 2020-06-30 Aman Khalid

The segmentation of digital images is one of the essential steps in image processing or a computer vision system. It helps in separating the pixels into different regions according to their intensity level. A large number of segmentation…

计算机视觉与模式识别 · 计算机科学 2019-09-12 Amit Gurung , Sangyal Lama Tamang

The task of hyper-parameter optimization (HPO) is burdened with heavy computational costs due to the intractability of optimizing both a model's weights and its hyper-parameters simultaneously. In this work, we introduce a new class of HPO…

机器学习 · 计算机科学 2021-12-14 Mathieu Tuli , Mahdi S. Hosseini , Konstantinos N. Plataniotis

In today world of enormous amounts of data, it is very important to extract useful knowledge from it. This can be accomplished by feature subset selection. Feature subset selection is a method of selecting a minimum number of features with…

机器学习 · 计算机科学 2019-07-16 Agnip Dasgupta , Ardhendu Banerjee , Aniket Ghosh Dastidar , Antara Barman , Sanjay Chakraborty

Neural Combinatorial Optimization (NCO) has mostly focused on learning policies, typically neural networks, that operate on a single candidate solution at a time, either by constructing one from scratch or iteratively improving it. In…

神经与进化计算 · 计算机科学 2026-01-14 Andoni Irazusta Garmendia , Josu Ceberio , Alexander Mendiburu

Deep learning has been achieving decent performance in computer vision requiring a large volume of images, however, collecting images is expensive and difficult in many scenarios. To alleviate this issue, many image augmentation algorithms…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Mingle Xu , Sook Yoon , Alvaro Fuentes , Dong Sun Park

We proposed an efficient iterative thresholding method for multi-phase image segmentation. The algorithm is based on minimizing piecewise constant Mumford-Shah functional in which the contour length (or perimeter) is approximated by a…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Dong Wang , Haohan Li , Xiaoyu Wei , Xiaoping Wang