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Domain adaptation of visual detectors is a critical challenge, yet existing methods have overlooked pixel appearance transformations, focusing instead on bootstrapping and/or domain confusion losses. We propose a Semantic Pixel-Level…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Eric Tzeng , Kaylee Burns , Kate Saenko , Trevor Darrell

Existing drift detection methods focus on designing sensitive test statistics. They treat the detection threshold as a fixed hyperparameter, set once to balance false alarms and late detections, and applied uniformly across all datasets and…

Machine Learning · Computer Science 2025-11-14 Pengqian Lu , Jie Lu , Anjin Liu , En Yu , Guangquan Zhang

We develop algorithms for detecting multiple changepoints in functional data when the number of changepoints is unknown (unsupervised case), when it is specified apriori (supervised case), and when certain bounds are available…

Methodology · Statistics 2025-11-19 Sourav Chakrabarty , Anirvan Chakraborty , Shyamal K. De

Although mainstream unsupervised anomaly detection (AD) algorithms perform well in academic datasets, their performance is limited in practical application due to the ideal experimental setting of clean training data. Training with noisy…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Xi Jiang , Ying Chen , Qiang Nie , Yong Liu , Jianlin Liu , Bin-Bin Gao , Jun Liu , Chengjie Wang , Feng Zheng

The level set estimation problem seeks to find all points in a domain ${\cal X}$ where the value of an unknown function $f:{\cal X}\rightarrow \mathbb{R}$ exceeds a threshold $\alpha$. The estimation is based on noisy function evaluations…

Machine Learning · Statistics 2021-11-03 Blake Mason , Romain Camilleri , Subhojyoti Mukherjee , Kevin Jamieson , Robert Nowak , Lalit Jain

Automatic medical image segmentation plays a crucial role in computer aided diagnosis. However, fully supervised learning approaches often require extensive and labor-intensive annotation efforts. To address this challenge, weakly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Lei Shi , Xi Fang , Naiyu Wang , Junxing Zhang

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Dataset pruning reduces the storage and training costs of deep learning by selecting an informative subset from a large dataset. However, most existing pruning methods require fully labeled data, which limits their applicability in…

Machine Learning · Computer Science 2026-05-25 Yeseul Cho , Baekrok Shin , Changmin Kang , Chulhee Yun

Modern neural networks have the capacity to overfit noisy labels frequently found in real-world datasets. Although great progress has been made, existing techniques are limited in providing theoretical guarantees for the performance of the…

Machine Learning · Computer Science 2020-11-17 Baharan Mirzasoleiman , Kaidi Cao , Jure Leskovec

Point-feature label placement (PFLP) is a major area of interest within the filed of automated cartography, geographic information systems (GIS), and computer graphics. The objective of a label placement problem is to assign a label to each…

Computational Engineering, Finance, and Science · Computer Science 2017-12-19 Yasemin Ozkan Aydin , Kemal Leblebicioglu

Model efficiency has become increasingly important in computer vision. In this paper, we systematically study neural network architecture design choices for object detection and propose several key optimizations to improve efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Mingxing Tan , Ruoming Pang , Quoc V. Le

Semantic boundary and edge detection aims at simultaneously detecting object edge pixels in images and assigning class labels to them. Systematic training of predictors for this task requires the labeling of edges in images which is a…

Computer Vision and Pattern Recognition · Computer Science 2017-06-27 Jing Yu Koh , Wojciech Samek , Klaus-Robert Müller , Alexander Binder

Machine learning models are commonly used for malware classification; however, they suffer from performance degradation over time due to concept drift. Adapting these models to changing data distributions requires frequent updates, which…

Machine Learning · Computer Science 2025-08-05 Md Tanvirul Alam , Aritran Piplai , Nidhi Rastogi

AutoAugment has sparked an interest in automated augmentation methods for deep learning models. These methods estimate image transformation policies for train data that improve generalization to test data. While recent papers evolved in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Denis Gudovskiy , Luca Rigazio , Shun Ishizaka , Kazuki Kozuka , Sotaro Tsukizawa

Phylogenetic trees are leaf-labelled trees used to model the evolution of species. In practice it is not uncommon to obtain two topologically distinct trees for the same set of species, and this motivates the use of distance measures to…

Data Structures and Algorithms · Computer Science 2026-03-24 David Mestel , Steven Chaplick , Steven Kelk , Ruben Meuwese

A key challenge for the widespread application of learning-based models for robotic perception is to significantly reduce the required amount of annotated training data while achieving accurate predictions. This is essential not only to…

Robotics · Computer Science 2024-12-04 Niclas Vödisch , Kürsat Petek , Markus Käppeler , Abhinav Valada , Wolfram Burgard

Current methods for trajectory prediction operate in supervised manners, and therefore require vast quantities of corresponding ground truth data for training. In this paper, we present a novel, label-free algorithm, AutoTrajectory, for…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Yuexin Ma , Xinge ZHU , Xinjing Cheng , Ruigang Yang , Jiming Liu , Dinesh Manocha

Active learning (AL) aims to minimize labeling efforts for data-demanding deep neural networks (DNNs) by selecting the most representative data points for annotation. However, currently used methods are ill-equipped to deal with biased…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Denis Gudovskiy , Alec Hodgkinson , Takuya Yamaguchi , Sotaro Tsukizawa

Detecting concept drift in high-speed data streams remains challenging, particularly when models must operate on unlabeled data and avoid false alarms caused by benign shifts. While disagreement-based uncertainty has shown promise in neural…

Machine Learning · Computer Science 2026-05-14 Lara Sá Neves , Afonso Lourenço , Lizy K. John , Goreti Marreiros

Label noise, commonly found in real-world datasets, has a detrimental impact on a model's generalization. To effectively detect incorrectly labeled instances, previous works have mostly relied on distinguishable training signals, such as…

Machine Learning · Computer Science 2024-05-31 Suyeon Kim , Dongha Lee , SeongKu Kang , Sukang Chae , Sanghwan Jang , Hwanjo Yu
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