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Despite over two decades of progress, imbalanced data is still considered a significant challenge for contemporary machine learning models. Modern advances in deep learning have magnified the importance of the imbalanced data problem. The…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Damien Dablain , Bartosz Krawczyk , Nitesh V. Chawla

In this article, a new method for segmentation and restoration of images on two-dimensional surfaces is given. Active contour models for image segmentation are extended to images on surfaces. The evolving curves on the surfaces are…

计算机视觉与模式识别 · 计算机科学 2015-05-04 Heike Benninghoff , Harald Garcke

Conventional methods for scalable image coding for humans and machines require the transmission of additional information to achieve scalability. A recent diffusion-based approach avoids this by generating human-oriented images from…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Yui Tatsumi , Ziyue Zeng , Hiroshi Watanabe

In this paper, we propose a novel inverse parameter estimation approach called Bayesian optimized physics-informed neural network (BOPINN). In this study, a PINN solves the partial differential equation (PDE), whereas Bayesian optimization…

信号处理 · 电气工程与系统科学 2023-12-22 Mahindra Rautela , S. Gopalakrishnan , J. Senthilnath

Pruning is an effective technique for convolutional neural networks (CNNs) model compression, but it is difficult to find the optimal pruning policy due to the large design space. To improve the usability of pruning, many auto pruning…

机器学习 · 计算机科学 2022-07-26 Hanwei Fan , Jiandong Mu , Wei Zhang

Generative steganography (GS) is an emerging technique that generates stego images directly from secret data. Various GS methods based on GANs or Flow have been developed recently. However, existing GAN-based GS methods cannot completely…

多媒体 · 计算机科学 2023-09-07 Ping Wei , Qing Zhou , Zichi Wang , Zhenxing Qian , Xinpeng Zhang , Sheng Li

The amount of completely sequenced chloroplast genomes increases rapidly every day, leading to the possibility to build large-scale phylogenetic trees of plant species. Considering a subset of close plant species defined according to their…

Face analysis is a core part of computer vision, in which remarkable progress has been observed in the past decades. Current methods achieve recognition and tracking with invariance to fundamental modes of variation such as illumination, 3D…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Grigorios G. Chrysos , Paolo Favaro , Stefanos Zafeiriou

Bayesian optimization (BO) is a sequential approach for optimizing black-box objective functions using zeroth-order noisy observations. In BO, Gaussian processes (GPs) are employed as probabilistic surrogate models to estimate the objective…

机器学习 · 计算机科学 2025-04-02 Dongwon Kim , Matteo Zecchin , Sangwoo Park , Joonhyuk Kang , Osvaldo Simeone

Bayesian optimization (BO) is a leading method for optimizing expensive black-box optimization and has been successfully applied across various scenarios. However, BO suffers from the curse of dimensionality, making it challenging to scale…

机器学习 · 计算机科学 2025-04-03 Vu Viet Hoang , Hung The Tran , Sunil Gupta , Vu Nguyen

In this paper, a robust weighted score for unbalanced data (ROWSU) is proposed for selecting the most discriminative feature for high dimensional gene expression binary classification with class-imbalance problem. The method addresses one…

机器学习 · 统计学 2024-01-24 Zardad Khan , Amjad Ali , Saeed Aldahmani

Non-uniform blind deblurring for general dynamic scenes is a challenging computer vision problem as blurs arise not only from multiple object motions but also from camera shake, scene depth variation. To remove these complicated motion…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Seungjun Nah , Tae Hyun Kim , Kyoung Mu Lee

Genetic algorithms are heuristic optimization techniques inspired by Darwinian evolution, which are characterized by successfully finding robust solutions for optimization problems. Here, we propose a subroutine-based quantum genetic…

量子物理 · 物理学 2024-06-07 Rubén Ibarrondo , Giancarlo Gatti , Mikel Sanz

We propose a very fast and effective one-step restoring method for blurry face images. In the last decades, many blind deblurring algorithms have been proposed to restore latent sharp images. However, these algorithms run slowly because of…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Lingxiao Wang , Yali Li , Shengjin Wang

A novel algorithm for tunable compression to within the precision of reproduction targets, or storage, is proposed. The new algorithm is termed the `Perceptron Algorithm', which utilises simple existing concepts in a novel way, has multiple…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Vassilios S. Vassiliadis

The flawless functioning of a protein is essentially linked to its own three-dimensional structure. Therefore, the prediction of a protein structure from its amino acid sequence is a fundamental problem in many fields that draws researchers…

神经与进化计算 · 计算机科学 2019-07-10 Nabil Boumedine , Sadek Bouroubi

This paper proposes an OTSU based differential evolution method for satellite image segmentation and compares it with four other methods such as Modified Artificial Bee Colony Optimizer (MABC), Artificial Bee Colony (ABC), Genetic Algorithm…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Afreen Shaikh , Sharmila Botcha , Murali Krishna

A fast algorithm for B-splines in mixed models is presented. B-splines have local support and are computational attractive, because the corresponding matrices are sparse. A key element of the new algorithm is that the local character of…

统计计算 · 统计学 2015-02-17 Martin P. Boer

We introduce Parametric Density Path Optimization (PDPO), a novel method for computing action-minimizing paths between probability densities. The core idea is to represent the target probability path as the pushforward of a reference…

最优化与控制 · 数学 2025-12-08 Sebastian Gutierrez Hernandez , Peng Chen , Haomin Zhou

Evolutionary algorithms are particularly effective for optimisation problems with dynamic and stochastic components. We propose multi-objective evolutionary approaches for the knapsack problem with stochastic profits under static and…

神经与进化计算 · 计算机科学 2024-04-15 Kokila Kasuni Perera , Aneta Neumann