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Active learning (AL) attempts to maximize the performance gain of the model by marking the fewest samples. Deep learning (DL) is greedy for data and requires a large amount of data supply to optimize massive parameters, so that the model…

Machine Learning · Computer Science 2021-12-07 Pengzhen Ren , Yun Xiao , Xiaojun Chang , Po-Yao Huang , Zhihui Li , Brij B. Gupta , Xiaojiang Chen , Xin Wang

Due to the rapid temporal and fine-grained nature of complex human assembly atomic actions, traditional action segmentation approaches requiring the spatial (and often temporal) down sampling of video frames often loose vital fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Matthew Kent Myers , Nick Wright , Stephen McGough , Nicholas Martin

Machine learning classification systems are susceptible to poor performance when trained with incorrect ground truth labels, even when data is well-curated by expert annotators. As machine learning becomes more widespread, it is…

Machine Learning · Computer Science 2026-01-16 Zan Chaudhry , Noam H. Rotenberg , Brian Caffo , Craig K. Jones , Haris I. Sair

Deep learning-based techniques have proven effective in polyp segmentation tasks when provided with sufficient pixel-wise labeled data. However, the high cost of manual annotation has created a bottleneck for model generalization. To…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Duojun Huang , Xinyu Xiong , De-Jun Fan , Feng Gao , Xiao-Jian Wu , Guanbin Li

Attention guidance is an approach to addressing dataset bias in deep learning, where the model relies on incorrect features to make decisions. Focusing on image classification tasks, we propose an efficient human-in-the-loop system to…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Yi He , Xi Yang , Chia-Ming Chang , Haoran Xie , Takeo Igarashi

Efficient label acquisition processes are key to obtaining robust classifiers. However, data labeling is often challenging and subject to high levels of label noise. This can arise even when classification targets are well defined, if…

Artificial Intelligence · Computer Science 2018-08-22 Olivier Deiss , Siddharth Biswal , Jing Jin , Haoqi Sun , M. Brandon Westover , Jimeng Sun

Unsupervised active learning has attracted increasing attention in recent years, where its goal is to select representative samples in an unsupervised setting for human annotating. Most existing works are based on shallow linear models by…

Machine Learning · Computer Science 2020-07-29 Changsheng Li , Handong Ma , Zhao Kang , Ye Yuan , Xiao-Yu Zhang , Guoren Wang

Most of the vision-based sign language research to date has focused on Isolated Sign Language Recognition (ISLR), where the objective is to predict a single sign class given a short video clip. Although there has been significant progress…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Ryan Wong , Necati Cihan Camgöz , Richard Bowden

Active learning (AL) is an effective approach to select the most informative samples to label so as to reduce the annotation cost. Existing AL methods typically work under the closed-set assumption, i.e., all classes existing in the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Linhao Qu , Yingfan Ma , Zhiwei Yang , Manning Wang , Zhijian Song

The goal of pool-based active learning is to judiciously select a fixed-sized subset of unlabeled samples from a pool to query an oracle for their labels, in order to maximize the accuracy of a supervised learner. However, the unsaid…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Shubhang Bhatnagar , Sachin Goyal , Darshan Tank , Amit Sethi

Label placement in maps is a very challenging task that is critical for the overall map quality. Most previous work focused on designing and implementing fully automatic solutions, but the resulting visual and aesthetic quality has not…

Computational Geometry · Computer Science 2019-10-22 Fabian Klute , Guangping Li , Raphael Löffler , Martin Nöllenburg , Manuela Schmidt

Active learning (AL) combines data labeling and model training to minimize the labeling cost by prioritizing the selection of high value data that can best improve model performance. In pool-based active learning, accessible unlabeled data…

Machine Learning · Computer Science 2020-07-21 Mingfei Gao , Zizhao Zhang , Guo Yu , Sercan O. Arik , Larry S. Davis , Tomas Pfister

Annotation and labeling of images are some of the biggest challenges in applying deep learning to medical data. Current processes are time and cost-intensive and, therefore, a limiting factor for the wide adoption of the technology.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Manuel Zahn , Douglas P. Perrin

Optimal design for model training is a critical topic in machine learning. Active Learning aims at obtaining improved models by querying samples with maximum uncertainty according to the estimation model for artificially labeling; this has…

While there has been remarkable progress in the performance of visual recognition algorithms, the state-of-the-art models tend to be exceptionally data-hungry. Large labeled training datasets, expensive and tedious to produce, are required…

Computer Vision and Pattern Recognition · Computer Science 2016-06-07 Fisher Yu , Ari Seff , Yinda Zhang , Shuran Song , Thomas Funkhouser , Jianxiong Xiao

Training and testing supervised object detection models require a large collection of images with ground truth labels. Labels define object classes in the image, as well as their locations, shape, and possibly other information such as…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 John Rachwan , Charbel Zalaket

LIDAR semantic segmentation, which assigns a semantic label to each 3D point measured by the LIDAR, is becoming an essential task for many robotic applications such as autonomous driving. Fast and efficient semantic segmentation methods are…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Iñigo Alonso , Luis Riazuelo , Luis Montesano , Ana C. Murillo

3D image segmentation is one of the most important and ubiquitous problems in medical image processing. It provides detailed quantitative analysis for accurate disease diagnosis, abnormal detection, and classification. Currently deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Zhenxi Zhang , Jie Li , Zhusi Zhong , Zhicheng Jiao , Xinbo Gao

Which volume to annotate next is a challenging problem in building medical imaging datasets for deep learning. One of the promising methods to approach this question is active learning (AL). However, AL has been a hard nut to crack in terms…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Vishwesh Nath , Dong Yang , Holger R. Roth , Daguang Xu

Contemporary autonomous vehicle (AV) benchmarks have advanced techniques for training 3D detectors, particularly on large-scale lidar data. Surprisingly, although semantic class labels naturally follow a long-tailed distribution,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Neehar Peri , Achal Dave , Deva Ramanan , Shu Kong