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In this paper, the problem of automatic Gabor wavelet selection for face recognition is tackled by introducing an automatic algorithm based on Parallel AdaBoosting method. Incorporating mutual information into the algorithm leads to the…

计算机视觉与模式识别 · 计算机科学 2009-07-21 Ulas Bagci , Li Bai

For various optimization methods, gradient descent-based algorithms can achieve outstanding performance and have been widely used in various tasks. Among those commonly used algorithms, ADAM owns many advantages such as fast convergence…

神经与进化计算 · 计算机科学 2021-05-05 Jiyang Bai , Yuxiang Ren , Jiawei Zhang

AdaBoost is an important algorithm in machine learning and is being widely used in object detection. AdaBoost works by iteratively selecting the best amongst weak classifiers, and then combines several weak classifiers to obtain a strong…

分布式、并行与集群计算 · 计算机科学 2013-06-07 Munther Abualkibash , Ahmed ElSayed , Ausif Mahmood

The authors present a novel face tracking approach where optical flow information is incorporated into a modified version of the Viola Jones detection algorithm. In the original algorithm, detection is static, as information from previous…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Andreas Ranftl , Fernando Alonso-Fernandez , Stefan Karlsson , Josef Bigun

This work focuses on improving the performance and fairness of Federated Learning (FL) in non IID settings by enhancing model aggregation and boosting the training of underperforming clients. We propose FeDABoost, a novel FL framework that…

机器学习 · 计算机科学 2025-10-06 Tharuka Kasthuri Arachchige , Veselka Boeva , Shahrooz Abghari

Data augmentation is an essential technique for improving generalization ability of deep learning models. Recently, AutoAugment has been proposed as an algorithm to automatically search for augmentation policies from a dataset and has…

机器学习 · 计算机科学 2020-01-09 Sungbin Lim , Ildoo Kim , Taesup Kim , Chiheon Kim , Sungwoong Kim

Object detection is one of the key tasks in computer vision. The cascade framework of Viola and Jones has become the de facto standard. A classifier in each node of the cascade is required to achieve extremely high detection rates, instead…

计算机视觉与模式识别 · 计算机科学 2010-05-25 Chunhua Shen , Peng Wang , Hanxi Li

This paper presents an automated system for human face recognition in a real time background world for a large homemade dataset of persons face. The task is very difficult as the real time background subtraction in an image is still a…

计算机视觉与模式识别 · 计算机科学 2011-08-08 K. Susheel Kumar , Vijay Bhaskar Semwal , R C Tripathi

Collaborative filtering recommender systems (CFRSs) are the key components of successful e-commerce systems. Actually, CFRSs are highly vulnerable to attacks since its openness. However, since attack size is far smaller than that of genuine…

信息检索 · 计算机科学 2015-06-16 Zhihai Yang , Lin Xu , Zhongmin Cai

There is an abundant literature on face detection due to its important role in many vision applications. Since Viola and Jones proposed the first real-time AdaBoost based face detector, Haar-like features have been adopted as the method of…

计算机视觉与模式识别 · 计算机科学 2010-09-30 Sakrapee Paisitkriangkrai , Chunhua Shen , Jian Zhang

Gender classification aims at recognizing a person's gender. Despite the high accuracy achieved by state-of-the-art methods for this task, there is still room for improvement in generalized and unrestricted datasets. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-11-21 Mahmoud Afifi , Abdelrahman Abdelhamed

Cascaded AdaBoost classifier is a well-known efficient object detection algorithm. The cascade structure has many parameters to be determined. Most of existing cascade learning algorithms are designed by assigning detection rate and false…

计算机视觉与模式识别 · 计算机科学 2016-09-13 Yanwei Pang , Jiale Cao , Xuelong Li

Recently, Adaboost has been widely used to improve the accuracy of any given learning algorithm. In this paper we focus on designing an algorithm to employ combination of Adaboost with Support Vector Machine as weak component classifiers to…

计算机视觉与模式识别 · 计算机科学 2008-12-16 Seyyed Majid Valiollahzadeh , Abolghasem Sayadiyan , Mohammad Nazari

Adaptive Boosting (AdaBoost) faces significant challenges posed by label noise, especially in multiclass classification tasks. Existing methods either lack mechanisms to handle label noise effectively or suffer from high computational costs…

机器学习 · 计算机科学 2025-06-18 Qin Xie , Qinghua Zhang , Shuyin Xia , Xinran Zhou , Guoyin Wang

In classical machine learning, a set of weak classifiers can be adaptively combined to form a strong classifier for improving the overall performance, a technique called adaptive boosting (or AdaBoost). However, constructing the strong…

量子物理 · 物理学 2019-02-05 Ximing Wang , Yuechi Ma , Min-Hsiu Hsieh , Manhong Yung

Data augmentation (DA) techniques aim to increase data variability, and thus train deep networks with better generalisation. The pioneering AutoAugment automated the search for optimal DA policies with reinforcement learning. However,…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Yonggang Li , Guosheng Hu , Yongtao Wang , Timothy Hospedales , Neil M. Robertson , Yongxin Yang

Boosting is an extremely successful idea, allowing one to combine multiple low accuracy classifiers into a much more accurate voting classifier. In this work, we present a new and surprisingly simple Boosting algorithm that obtains a…

机器学习 · 计算机科学 2024-09-02 Mikael Møller Høgsgaard , Kasper Green Larsen , Markus Engelund Mathiasen

We continue the study of Genetic Algorithms (GA) on combinatorial optimization problems where the candidate solutions need to satisfy a balancedness constraint. It has been observed that the reduction of the search space size granted by…

神经与进化计算 · 计算机科学 2022-06-23 Luca Manzoni , Luca Mariot , Eva Tuba

Boosting is an ensemble learning method that converts a weak learner into a strong learner in the PAC learning framework. Freund and Schapire designed the Godel prize-winning algorithm named AdaBoost that can boost learners, which output…

量子物理 · 物理学 2023-07-31 Debajyoti Bera , Rohan Bhatia , Parmeet Singh Chani , Sagnik Chatterjee

Suppose we have a weak learning algorithm $\mathcal{A}$ for a Boolean-valued problem: $\mathcal{A}$ produces hypotheses whose bias $\gamma$ is small, only slightly better than random guessing (this could, for instance, be due to…

量子物理 · 物理学 2020-08-18 Srinivasan Arunachalam , Reevu Maity
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