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Semantic segmentation is a fundamental computer vision task with a vast number of applications. State of the art methods increasingly rely on deep learning models, known to incorrectly estimate uncertainty and being overconfident in…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Luís Almeida , Inês Dutra , Francesco Renna

Ultra-fine-grained visual categorization (Ultra-FGVC) aims at distinguishing highly similar sub-categories within fine-grained objects, such as different soybean cultivars. Compared to traditional fine-grained visual categorization,…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Yu Liu , Yaqi Cai , Qi Jia , Binglin Qiu , Weimin Wang , Nan Pu

Deep learning has shown great potential in image and video compression tasks. However, it brings bit savings at the cost of significant increases in coding complexity, which limits its potential for implementation within practical…

图像与视频处理 · 电气工程与系统科学 2021-05-28 Luka Murn , Saverio Blasi , Alan F. Smeaton , Noel E. O'Connor , Marta Mrak

Many computer vision and medical imaging problems are faced with learning from large-scale datasets, with millions of observations and features. In this paper we propose a novel efficient learning scheme that tightens a sparsity constraint…

机器学习 · 统计学 2017-02-07 Adrian Barbu , Yiyuan She , Liangjing Ding , Gary Gramajo

Neural networks trained with class-imbalanced data are known to perform poorly on minor classes of scarce training data. Several recent works attribute this to over-fitting to minor classes. In this paper, we provide a novel explanation of…

机器学习 · 计算机科学 2021-10-12 Han-Jia Ye , De-Chuan Zhan , Wei-Lun Chao

Few-shot learning aims to learn to generalize a classifier to novel classes with limited labeled data. Transductive inference that utilizes unlabeled test set to deal with low-data problem has been employed for few-shot learning in recent…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Chenyang Si , Wentao Chen , Wei Wang , Liang Wang , Tieniu Tan

Calibration is crucial in deep learning applications, especially in fields like healthcare and autonomous driving, where accurate confidence estimates are vital for decision-making. However, deep neural networks often suffer from…

机器学习 · 计算机科学 2024-10-17 Linwei Tao , Haolan Guo , Minjing Dong , Chang Xu

Federated learning (FL) scenarios inherently generate a large communication overhead by frequently transmitting neural network updates between clients and server. To minimize the communication cost, introducing sparsity in conjunction with…

In this study, we systematically investigate the impact of class imbalance on classification performance of convolutional neural networks (CNNs) and compare frequently used methods to address the issue. Class imbalance is a common problem…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Mateusz Buda , Atsuto Maki , Maciej A. Mazurowski

Continual learning (CL) studies how models acquire tasks sequentially while retaining previously learned knowledge. Despite substantial progress in benchmarking CL methods, comparative evaluations typically keep the fine-tuning regime…

机器学习 · 计算机科学 2026-04-28 Paul-Tiberiu Iordache , Elena Burceanu

Despite the great success of convolutional neural networks (CNN) for the image classification task on datasets like Cifar and ImageNet, CNN's representation power is still somewhat limited in dealing with object images that have large…

计算机视觉与模式识别 · 计算机科学 2016-08-02 Peng Tang , Xinggang Wang , Baoguang Shi , Xiang Bai , Wenyu Liu , Zhuowen Tu

Noise, corruptions and variations in face images can seriously hurt the performance of face recognition systems. To make such systems robust, multiclass neuralnetwork classifiers capable of learning from noisy data have been suggested.…

人工智能 · 计算机科学 2016-02-17 J. Uglov , V. Schetinin , C. Maple

Pre-trained representation is one of the key elements in the success of modern deep learning. However, existing works on continual learning methods have mostly focused on learning models incrementally from scratch. In this paper, we explore…

机器学习 · 计算机科学 2022-08-18 Hyounguk Shon , Janghyeon Lee , Seung Hwan Kim , Junmo Kim

When approaching a novel visual recognition problem in a specialized image domain, a common strategy is to start with a pre-trained deep neural network and fine-tune it to the specialized domain. If the target domain covers a smaller visual…

计算机视觉与模式识别 · 计算机科学 2017-07-31 Frederick Tung , Srikanth Muralidharan , Greg Mori

Many unsupervised approaches have been proposed recently for the video-based re-identification problem since annotations of samples across cameras are time-consuming. However, higher-order relationships across the entire camera network are…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Xueping Wang , Rameswar Panda , Min Liu , Yaonan Wang , Amit K Roy-Chowdhury

Dataset Condensation (DC) aims to reduce deep neural networks training efforts by synthesizing a small dataset such that it will be as effective as the original large dataset. Conventionally, DC relies on a costly bi-level optimization…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Sahar Rahimi Malakshan , Mohammad Saeed Ebrahimi Saadabadi , Ali Dabouei , Nasser M. Nasrabadi

While neural network binary classifiers are often evaluated on metrics such as Accuracy and $F_1$-Score, they are commonly trained with a cross-entropy objective. How can this training-evaluation gap be addressed? While specific techniques…

机器学习 · 计算机科学 2022-06-03 Nathan Tsoi , Kate Candon , Deyuan Li , Yofti Milkessa , Marynel Vázquez

A multi-view image sequence provides a much richer capacity for object recognition than from a single image. However, most existing solutions to multi-view recognition typically adopt hand-crafted, model-based geometric methods, which do…

计算机视觉与模式识别 · 计算机科学 2016-05-27 Edward Johns , Stefan Leutenegger , Andrew J. Davison

Late fusion multi-view clustering (LFMVC) has become a rapidly growing class of methods in the multi-view clustering (MVC) field, owing to its excellent computational speed and clustering performance. One bottleneck faced by existing late…

计算机视觉与模式识别 · 计算机科学 2024-05-29 Qiyuan Ou , Pei Zhang , Sihang Zhou , En Zhu

In fine-grained visual categorization (FGVC), there is a near-singular focus in pursuit of attaining state-of-the-art (SOTA) accuracy. This work carefully analyzes the performance of recent SOTA methods, quantitatively, but more…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Connor Anderson , Matt Gwilliam , Adam Teuscher , Andrew Merrill , Ryan Farrell