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An approach to the acceleration of parametric weak classifier boosting is proposed. Weak classifier is called parametric if it has fixed number of parameters and, so, can be represented as a point into multidimensional space. Genetic…

机器学习 · 计算机科学 2009-06-05 Boris Yangel

Data augmentation (DA) has been widely utilized to improve generalization in training deep neural networks. Recently, human-designed data augmentation has been gradually replaced by automatically learned augmentation policy. Through finding…

计算机视觉与模式识别 · 计算机科学 2019-12-25 Xinyu Zhang , Qiang Wang , Jian Zhang , Zhao Zhong

Quality feature representation is key to instance image retrieval. To attain it, existing methods usually resort to a deep model pre-trained on benchmark datasets or even fine-tune the model with a task-dependent labelled auxiliary dataset.…

计算机视觉与模式识别 · 计算机科学 2022-08-15 Zhongyan Zhang , Lei Wang , Yang Wang , Luping Zhou , Jianjia Zhang , Peng Wang , Fang Chen

Genetic Programming (GP), an evolutionary learning technique, has multiple applications in machine learning such as curve fitting, data modelling, feature selection, classification etc. GP has several inherent parallel steps, making it an…

神经与进化计算 · 计算机科学 2021-10-22 Vimarsh Sathia , Venkataramana Ganesh , Shankara Rao Thejaswi Nanditale

In recent years, deep learning methods applying unsupervised learning to train deep layers of neural networks have achieved remarkable results in numerous fields. In the past, many genetic algorithms based methods have been successfully…

神经与进化计算 · 计算机科学 2017-11-22 Eli David , Iddo Greental

Adder neural networks (AdderNets) have shown impressive performance on image classification with only addition operations, which are more energy efficient than traditional convolutional neural networks built with multiplications. Compared…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Xinghao Chen , Chang Xu , Minjing Dong , Chunjing Xu , Yunhe Wang

This paper presents a novel approach to visual objects classification based on generating simple fuzzy classifiers using local image features to distinguish between one known class and other classes. Boosting meta learning is used to find…

计算机视觉与模式识别 · 计算机科学 2016-10-05 Marcin Korytkowski , Leszek Rutkowski , Rafał Scherer

There has been considerable interest in boosting and bagging, including the combination of the adaptive techniques of AdaBoost with the random selection with replacement techniques of Bagging. At the same time there has been a revisiting of…

机器学习 · 计算机科学 2020-10-30 David M. W. Powers

We develop an accelerated Genetic Algorithm (GA) system constructed by the cooperation of field-programmable gate array (FPGA) and optimized parameters of the GA. We found the enhanced decay of mutation rate makes convergence of the GA much…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Shu Guo , Lin Pang

A biased dataset is a dataset that generally has attributes with an uneven class distribution. These biases have the tendency to propagate to the models that train on them, often leading to a poor performance in the minority class. In this…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Athiya Deviyani

The AdaBoost algorithm has the superiority of resisting overfitting. Understanding the mysteries of this phenomena is a very fascinating fundamental theoretical problem. Many studies are devoted to explaining it from statistical view and…

机器学习 · 计算机科学 2020-07-30 Fei Wang , Zhongheng Li , Fang He , Rong Wang , Weizhong Yu , Feiping Nie

The rapid advancement of generative artificial intelligence has enabled the creation of highly realistic fake facial images, posing serious threats to personal privacy and the integrity of online information. Existing deepfake detection…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Huanhuan Yuan , Yang Ping , Zhengqin Xu , Junyi Cao , Shuai Jia , Chao Ma

Generative answer engines expose content through selective citation rather than ranked retrieval, fundamentally altering how visibility is determined. This shift calls for new optimization methods beyond traditional search engine…

信息检索 · 计算机科学 2026-04-22 Zikang Liu , Peilan Xu

The accuracy of the object detection model depends on whether the anchor boxes effectively trained. Because of the small number of GT boxes or object target is invariant in the training phase, cannot effectively train anchor boxes.…

计算机视觉与模式识别 · 计算机科学 2019-03-06 Wei Jiang , Na Ying

Recent years have witnessed promising results of face detection using deep learning. Despite making remarkable progresses, face detection in the wild remains an open research challenge especially when detecting faces at vastly different…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Jialiang Zhang , Xiongwei Wu , Jianke Zhu , Steven C. H. Hoi

Surveillance systems play a critical role in security and reconnaissance, but their performance is often compromised by low-quality images and videos, leading to reduced accuracy in face recognition. Additionally, existing AI-based facial…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Anees Nashath Shaik , Barbara Villarini , Vasileios Argyriou

The goal of Feature Selection - comprising filter, wrapper, and embedded approaches - is to find the optimal feature subset for designated downstream tasks. Nevertheless, current feature selection methods are limited by: 1) the selection…

机器学习 · 计算机科学 2023-09-18 Meng Xiao , Dongjie Wang , Min Wu , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

We propose PathBoost, a gradient tree boosting method for graph-level classification and regression that learns discriminative path-based features directly from the input graph structure. Building on a previous work, which was tailored to a…

机器学习 · 计算机科学 2026-05-12 Claudio Meggio , Johan Pensar , Riccardo De Bin

We empirically show that process-based Parallelism speeds up the Genetic Algorithm (GA) for Feature Selection (FS) 2x to 25x, while additionally increasing the Machine Learning (ML) model performance on metrics such as F1-score, Accuracy,…

分布式、并行与集群计算 · 计算机科学 2024-01-22 Michael Potter , Ayberk Yarkın Yıldız , Nishanth Marer Prabhu , Cameron Gordon

Diffusion models, as a type of generative model, have achieved impressive results in generating images and videos conditioned on textual conditions. However, the generation process of diffusion models involves denoising dozens of steps to…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Hui Zhang , Zuxuan Wu , Zhen Xing , Jie Shao , Yu-Gang Jiang