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Standard training datasets for deep learning often contain objects in common settings (e.g., "a horse on grass" or "a ship in water") since they are usually collected by randomly scraping the web. Uncommon and rare settings (e.g., "a plane…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Priyatham Kattakinda , Soheil Feizi

A promising direction in deep learning research consists in learning representations and simultaneously discovering cluster structure in unlabeled data by optimizing a discriminative loss function. As opposed to supervised deep learning,…

Image classification is a challenging problem which aims to identify the category of object in the image. In recent years, deep Convolutional Neural Networks (CNNs) have been applied to handle this task, and impressive improvement has been…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Hao Ren , Jianlin Su , Hong Lu

Motivated by the desire to exploit patterns shared across classes, we present a simple yet effective class-specific memory module for fine-grained feature learning. The memory module stores the prototypical feature representation for each…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Weijian Deng , Joshua Marsh , Stephen Gould , Liang Zheng

This paper introduces a novel, generic active learning method for one-class classification. Active learning methods play an important role to reduce the efforts of manual labeling in the field of machine learning. Although many active…

Machine Learning · Computer Science 2019-01-11 Patrick Schlachter , Bin Yang

Learning with noisy labels is an important and challenging task for training accurate deep neural networks. Some commonly-used loss functions, such as Cross Entropy (CE), suffer from severe overfitting to noisy labels. Robust loss functions…

Machine Learning · Computer Science 2021-08-03 Xiong Zhou , Xianming Liu , Chenyang Wang , Deming Zhai , Junjun Jiang , Xiangyang Ji

Recently, deep learning models have achieved great success in computer vision applications, relying on large-scale class-balanced datasets. However, imbalanced class distributions still limit the wide applicability of these models due to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Yechan Kim , Younkwan Lee , Moongu Jeon

Few-shot node classification aims at classifying nodes with limited labeled nodes as references. Recent few-shot node classification methods typically learn from classes with abundant labeled nodes (i.e., meta-training classes) and then…

Machine Learning · Computer Science 2023-01-10 Song Wang , Yushun Dong , Kaize Ding , Chen Chen , Jundong Li

Precise breast cancer classification on histopathological images has the potential to greatly improve the diagnosis and patient outcome in oncology. The data imbalance problem largely stems from the inherent imbalance within medical image…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Majid Behzadpour , Bengie L. Ortiz , Ebrahim Azizi , Kai Wu

Scene parsing is challenging as it aims to assign one of the semantic categories to each pixel in scene images. Thus, pixel-level features are desired for scene parsing. However, classification networks are dominated by the discriminative…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Tianyi Wu , Sheng Tang , Rui Zhang , Guodong Guo , Yongdong Zhang

Based on the observation that semantic segmentation errors are partially predictable, we propose a compact formulation using confusion statistics of the trained classifier to refine (re-estimate) the initial pixel label hypotheses. The…

Computer Vision and Pattern Recognition · Computer Science 2018-01-24 James W. Davis , Christopher Menart , Muhammad Akbar , Roman Ilin

The main requisite for fine-grained recognition task is to focus on subtle discriminative details that make the subordinate classes different from each other. We note that existing methods implicitly address this requirement and leave it to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Guolei Sun , Hisham Cholakkal , Salman Khan , Fahad Shahbaz Khan , Ling Shao

There is no such thing as a perfect dataset. In some datasets, deep neural networks discover underlying heuristics that allow them to take shortcuts in the learning process, resulting in poor generalization capability. Instead of using…

Computation and Language · Computer Science 2022-11-28 Frano Rajič , Ivan Stresec , Axel Marmet , Tim Poštuvan

In machine learning, classifiers are typically susceptible to noise in the training data. In this work, we aim at reducing intra-class noise with the help of graph filtering to improve the classification performance. Considered graphs are…

Machine Learning · Statistics 2021-01-26 Mounia Hamidouche , Carlos Lassance , Yuqing Hu , Lucas Drumetz , Bastien Pasdeloup , Vincent Gripon

Categorical variables often appear in datasets for classification and regression tasks, and they need to be encoded into numerical values before training. Since many encoders have been developed and can significantly impact performance,…

Machine Learning · Computer Science 2024-01-19 Wenbin Zhu , Runwen Qiu , Ying Fu

Humans can robustly learn novel visual concepts even when images undergo various deformations and lose certain information. Mimicking the same behavior and synthesizing deformed instances of new concepts may help visual recognition systems…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Zitian Chen , Yanwei Fu , Yu-Xiong Wang , Lin Ma , Wei Liu , Martial Hebert

Modern neural network architectures have shown remarkable success in several large-scale classification and prediction tasks. Part of the success of these architectures is their flexibility to transform the data from the raw input…

Machine Learning · Computer Science 2022-09-13 Xiao Yu , Nakul Verma

The highest accuracy object detectors to date are based on a two-stage approach popularized by R-CNN, where a classifier is applied to a sparse set of candidate object locations. In contrast, one-stage detectors that are applied over a…

Computer Vision and Pattern Recognition · Computer Science 2018-02-08 Tsung-Yi Lin , Priya Goyal , Ross Girshick , Kaiming He , Piotr Dollár

Clustering using neural networks has recently demonstrated promising performance in machine learning and computer vision applications. However, the performance of current approaches is limited either by unsupervised learning or their…

Machine Learning · Computer Science 2018-07-11 Ankita Shukla , Gullal Singh Cheema , Saket Anand

Classifiers are among the most widely used supervised machine learning algorithms. Many classification models exist, and choosing the right one for a given task is difficult. During model selection and debugging, data scientists need to…

Machine Learning · Computer Science 2020-10-15 Andreas Hinterreiter , Peter Ruch , Holger Stitz , Martin Ennemoser , Jürgen Bernard , Hendrik Strobelt , Marc Streit