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This study introduces a framework that integrates nonlinear feature extraction, classification, and efficient optimization. First, kernel principal component analysis with a radial basis function kernel reduces dimensionality while…

机器学习 · 计算机科学 2025-06-23 Iliyas Ibrahim Iliyas , Souley Boukari , Abdulsalam Yau Gital

Contemporary deep learning based inpainting algorithms are mainly based on a hybrid dual stage training policy of supervised reconstruction loss followed by an unsupervised adversarial critic loss. However, there is a dearth of literature…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Avisek Lahiri , Arnav Kumar Jain , Prabir Kumar Biswas

Genetic Algorithms (GA) are a class of metaheuristic global optimization methods inspired by the process of natural selection among individuals in a population. Despite their widespread use, a comprehensive theoretical analysis of these…

最优化与控制 · 数学 2025-02-24 Giacomo Borghi , Lorenzo Pareschi

In the past decade, significant research has been carried out for realizing intelligent network routing using advertisement, position and near-optimum node selection schemes. In this paper, a grade-based two-level node selection method…

网络与互联网体系结构 · 计算机科学 2012-04-02 T. R. Gopalakrishnan Nair , Kavitha Sooda

The literature has proposed several methods to finetune pretrained GANs on new datasets, which typically results in higher performance compared to training from scratch, especially in the limited-data regime. However, despite the apparent…

机器学习 · 计算机科学 2022-03-11 Timofey Grigoryev , Andrey Voynov , Artem Babenko

This paper introduces a novel motion planner, incrementally stochastic and accelerated gradient information mixed optimization (iSAGO), for robotic manipulators in a narrow workspace. Primarily, we propose the overall scheme of iSAGO…

机器人学 · 计算机科学 2022-07-20 Yichang Feng , Jin Wang , Haiyun Zhang , Guodong Lu

This work studies the problem of large language model (LLM) unlearning, aiming to remove unwanted data influences (e.g., copyrighted or harmful content) while preserving model utility. Despite the increasing demand for unlearning, a…

计算与语言 · 计算机科学 2025-10-21 Chongyu Fan , Jiancheng Liu , Licong Lin , Jinghan Jia , Ruiqi Zhang , Song Mei , Sijia Liu

Multimodal self-supervised pretraining offers a promising route to cancer prognosis by integrating histopathology whole-slide images, gene expression, and pathology reports, yet most existing approaches require fully paired and complete…

Applying pre-trained models to assist point cloud understanding has recently become a mainstream paradigm in 3D perception. However, existing application strategies are straightforward, utilizing only the final output of the pre-trained…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Yaohua Zha , Yanzi Wang , Hang Guo , Jinpeng Wang , Tao Dai , Bin Chen , Zhihao Ouyang , Xue Yuerong , Ke Chen , Shu-Tao Xia

There are two common ways in which developers are incorporating proprietary and domain-specific data when building applications of Large Language Models (LLMs): Retrieval-Augmented Generation (RAG) and Fine-Tuning. RAG augments the prompt…

Image matting is an ill-posed problem that aims to estimate the opacity of foreground pixels in an image. However, most existing deep learning-based methods still suffer from the coarse-grained details. In general, these algorithms are…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Yuhao Liu , Jiake Xie , Yu Qiao , Yong Tang and , Xin Yang

We present a new paradigm for fine-tuning large-scale visionlanguage pre-trained models on downstream task, dubbed Prompt Regularization (ProReg). Different from traditional fine-tuning which easily overfits to the downstream task data,…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Beier Zhu , Yulei Niu , Saeil Lee , Minhoe Hur , Hanwang Zhang

Agentic Retrieval-Augmented Generation (RAG) systems enhance Large Language Models (LLMs) by enabling dynamic, multi-step reasoning and information retrieval. However, these systems often exhibit sub-optimal search behaviors like…

计算与语言 · 计算机科学 2025-10-10 Peilin Wu , Mian Zhang , Xinlu Zhang , Xinya Du , Zhiyu Zoey Chen

Medical image segmentation methods generally assume that the process from medical image to segmentation is unbiased, and use neural networks to establish conditional probability models to complete the segmentation task. This assumption does…

图像与视频处理 · 电气工程与系统科学 2025-05-29 Ruiguo Yu , Yiyang Zhang , Yuan Tian , Yujie Diao , Di Jin , Witold Pedrycz

Most existing approaches to train a unified multi-organ segmentation model from several single-organ datasets require simultaneously access multiple datasets during training. In the real scenarios, due to privacy and ethics concerns, the…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Yuhang Zhou , Xiaoman Zhang , Shixiang Feng , Ya Zhang , Yanfeng

The Bayesian Optimisation Algorithm (BOA) is an Estimation of Distribution Algorithm (EDA) that uses a Bayesian network as probabilistic graphical model (PGM). Determining the optimal Bayesian network structure given a solution sample is an…

Background and objective: Employing deep learning models in critical domains such as medical imaging poses challenges associated with the limited availability of training data. We present a strategy for improving the performance and…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Eva Pachetti , Sotirios A. Tsaftaris , Sara Colantonio

Time-optimal path tracking, as a significant tool for industrial robots, has attracted the attention of numerous researchers. In most time-optimal path tracking problems, the actuator torque constraints are assumed to be conservative, which…

机器人学 · 计算机科学 2019-07-11 Jiadong Xiao , Lin Li , Yanbiao Zou , Tie Zhang

Parameter-efficient continual learning aims to adapt pre-trained models to sequential tasks without forgetting previously acquired knowledge. Most existing approaches treat continual learning as avoiding interference with past updates,…

机器学习 · 计算机科学 2026-02-03 Hao Gu , Mao-Lin Luo , Zi-Hao Zhou , Han-Chen Zhang , Min-Ling Zhang , Tong Wei

Model pruning is a performance optimization technique for large language models like R1 or o3-mini. However, existing pruning methods often lead to significant performance degradation or require extensive retraining and fine-tuning. This…

计算与语言 · 计算机科学 2025-05-21 Wei Jiang , Anying Fu , Youling Zhang