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Data augmentation is an effective technique to improve the generalization of deep neural networks. Recently, AutoAugment proposed a well-designed search space and a search algorithm that automatically finds augmentation policies in a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Chih-Yang Chen , Che-Han Chang

We improve on GenASM, a recent algorithm for genomic sequence alignment, by significantly reducing its memory footprint and bandwidth requirement. Our algorithmic improvements reduce the memory footprint by 24$\times$ and the number of…

Hardware Architecture · Computer Science 2022-03-30 Joël Lindegger , Damla Senol Cali , Mohammed Alser , Juan Gómez-Luna , Onur Mutlu

Intensive care data are valuable for improvement of health care, policy making and many other purposes. Vast amount of such data are stored in different locations, on many different devices and in different data silos. Sharing data among…

Machine Learning · Computer Science 2020-08-13 Li Huang , Yifeng Yin , Zeng Fu , Shifa Zhang , Hao Deng , Dianbo Liu

Reinforcement learning (RL) enables agents to take decision based on a reward function. However, in the process of learning, the choice of values for learning algorithm parameters can significantly impact the overall learning process. In…

Neural and Evolutionary Computing · Computer Science 2019-05-13 Adarsh Sehgal , Hung Manh La , Sushil J. Louis , Hai Nguyen

In the paper, we propose a class of faster adaptive Gradient Descent Ascent (GDA) methods for solving the nonconvex-strongly-concave minimax problems by using the unified adaptive matrices, which include almost all existing coordinate-wise…

Optimization and Control · Mathematics 2023-02-22 Feihu Huang , Xidong Wu , Zhengmian Hu

Recently, program autotuning has become very popular especially in embedded systems, when we have limited resources such as computing power and memory where these systems run generally time-critical applications. Compiler optimization space…

Neural and Evolutionary Computing · Computer Science 2021-05-18 Burak Tağtekin , Berkan Höke , Mert Kutay Sezer , Mahiye Uluyağmur Öztürk

AI systems rely on extensive training on large datasets to address various tasks. However, image-based systems, particularly those used for demographic attribute prediction, face significant challenges. Many current face image datasets…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Georgia Baltsou , Ioannis Sarridis , Christos Koutlis , Symeon Papadopoulos

We introduce a pioneering approach to self-supervised learning for point clouds, employing a geometrically informed mask selection strategy called GeoMask3D (GM3D) to boost the efficiency of Masked Auto Encoders (MAE). Unlike the…

We introduce AdaAct, a novel optimization algorithm that adjusts learning rates according to activation variance. Our method enhances the stability of neuron outputs by incorporating neuron-wise adaptivity during the training process, which…

Machine Learning · Computer Science 2025-06-11 Hyunseok Seung , Jaewoo Lee , Hyunsuk Ko

Data augmentation is widely used to train deep learning models to address data scarcity. However, traditional data augmentation (TDA) typically relies on simple geometric transformation, such as random rotation and rescaling, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Dekai Zhu , Stefan Gavranovic , Flavien Boussuge , Benjamin Busam , Slobodan Ilic

We consider the problem of data augmentation, i.e., generating artificial samples to extend a given corpus of training data. Specifically, we propose attributed-guided augmentation (AGA) which learns a mapping that allows to synthesize data…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Mandar Dixit , Roland Kwitt , Marc Niethammer , Nuno Vasconcelos

Recent advancements in diffusion-based generative image editing have sparked a profound revolution, reshaping the landscape of image outpainting and inpainting tasks. Despite these strides, the field grapples with inherent challenges,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Yuxi Ren , Jie Wu , Yanzuo Lu , Huafeng Kuang , Xin Xia , Xionghui Wang , Qianqian Wang , Yixing Zhu , Pan Xie , Shiyin Wang , Xuefeng Xiao , Yitong Wang , Min Zheng , Lean Fu

In this report, we present a new face detection scheme using deep learning and achieve the state-of-the-art detection performance on the well-known FDDB face detetion benchmark evaluation. In particular, we improve the state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2017-01-31 Xudong Sun , Pengcheng Wu , Steven C. H. Hoi

Data augmentation is proven to be effective in many NLU tasks, especially for those suffering from data scarcity. In this paper, we present a powerful and easy to deploy text augmentation framework, Data Boost, which augments data through…

Computation and Language · Computer Science 2020-12-08 Ruibo Liu , Guangxuan Xu , Chenyan Jia , Weicheng Ma , Lili Wang , Soroush Vosoughi

In this paper we present CatBoost, a new open-sourced gradient boosting library that successfully handles categorical features and outperforms existing publicly available implementations of gradient boosting in terms of quality on a set of…

Machine Learning · Computer Science 2018-10-29 Anna Veronika Dorogush , Vasily Ershov , Andrey Gulin

The growing popularity of autonomous systems creates a need for reliable and efficient metric pose retrieval algorithms. Currently used approaches tend to rely on nearest neighbor search of binary descriptors to perform the 2D-3D matching…

Robotics · Computer Science 2018-07-16 Marcin Dymczyk , Igor Gilitschenski , Juan Nieto , Simon Lynen , Bernhard Zeisl , Roland Siegwart

Learning agents can make use of Reinforcement Learning (RL) to decide their actions by using a reward function. However, the learning process is greatly influenced by the elect of values of the hyperparameters used in the learning…

Robotics · Computer Science 2022-11-03 Adarsh Sehgal , Nicholas Ward , Hung La , Sushil Louis

Deep neural networks (DNN) have shown unprecedented success in various computer vision applications such as image classification and object detection. However, it is still a common annoyance during the training phase, that one has to…

Computer Vision and Pattern Recognition · Computer Science 2016-11-09 Yanghao Li , Naiyan Wang , Jianping Shi , Jiaying Liu , Xiaodi Hou

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…

Optimization and Control · Mathematics 2025-02-24 Giacomo Borghi , Lorenzo Pareschi

In this work, we first show that feature selection methods other than boosting can also be used for training an efficient object detector. In particular, we introduce Greedy Sparse Linear Discriminant Analysis (GSLDA)…

Multimedia · Computer Science 2009-03-19 Chunhua Shen , Sakrapee Paisitkriangkrai , Jian Zhang