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This paper studies the problem of recovering a low-rank matrix from several noisy random linear measurements. We consider the setting where the rank of the ground-truth matrix is unknown a priori and use an objective function built from a…

Optimization and Control · Mathematics 2025-07-29 Lijun Ding , Zhen Qin , Liwei Jiang , Jinxin Zhou , Zhihui Zhu

Spectral unmixing is an important and challenging problem in hyperspectral data processing. This topic has been extensively studied and a variety of unmixing algorithms have been proposed in the literature. However, the lack of publicly…

Computer Vision and Pattern Recognition · Computer Science 2019-02-25 Min Zhao , Jie Chen , Zhe He

Benchmark experiments are required to test, compare, tune, and understand optimization algorithms. Ideally, benchmark problems closely reflect real-world problem behavior. Yet, real-world problems are not always readily available for…

Neural and Evolutionary Computing · Computer Science 2020-08-17 Martin Zaefferer , Frederik Rehbach

Over the past decades, researchers had put lots of effort investigating ranking techniques used to rank query results retrieved during information retrieval, or to rank the recommended products in recommender systems. In this project, we…

Information Retrieval · Computer Science 2022-08-23 Jiashu Wu

Ground-truth depth, when combined with color data, helps improve object detection accuracy over baseline models that only use color. However, estimated depth does not always yield improvements. Many factors affect the performance of object…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Bedrettin Cetinkaya , Sinan Kalkan , Emre Akbas

Existing performance measures rank delineation algorithms inconsistently, which makes it difficult to decide which one is best in any given situation. We show that these inconsistencies stem from design flaws that make the metrics…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Leonardo Citraro , Mateusz Koziński , Pascal Fua

Illumination estimation is the essential step of computational color constancy, one of the core parts of various image processing pipelines of modern digital cameras. Having an accurate and reliable illumination estimation is important for…

In this paper we present a deep learning method to estimate the illuminant of an image. Our model is not trained with illuminant annotations, but with the objective of improving performance on an auxiliary task such as object recognition.…

Computer Vision and Pattern Recognition · Computer Science 2018-05-24 Marco Buzzelli , Joost van de Weijer , Raimondo Schettini

Base-detail separation is a fundamental computer vision problem consisting of modeling a smooth base layer with the coarse structures, and a detail layer containing the texture-like structures. One of the challenges of estimating the base…

Computer Vision and Pattern Recognition · Computer Science 2016-02-22 Xuan Dong , Boyan Bonev , Weixin Li , Weichao Qiu , Xianjie Chen , Alan Yuille

Computed tomography (CT) is a widely used non-invasive diagnostic method in various fields, and recent advances in deep learning have led to significant progress in CT image reconstruction. However, the lack of large-scale, open-access…

Image and Video Processing · Electrical Eng. & Systems 2024-12-12 Maximilian B. Kiss , Ander Biguri , Zakhar Shumaylov , Ferdia Sherry , K. Joost Batenburg , Carola-Bibiane Schönlieb , Felix Lucka

Benchmark datasets that measure camera pose accuracy have driven progress in visual re-localisation research. To obtain poses for thousands of images, it is common to use a reference algorithm to generate pseudo ground truth. Popular…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Eric Brachmann , Martin Humenberger , Carsten Rother , Torsten Sattler

Lacking realistic ground truth data, image denoising techniques are traditionally evaluated on images corrupted by synthesized i.i.d. Gaussian noise. We aim to obviate this unrealistic setting by developing a methodology for benchmarking…

Computer Vision and Pattern Recognition · Computer Science 2017-07-06 Tobias Plötz , Stefan Roth

Class attribution maps (CAMs) provide local explanations for the decisions of convolutional neural networks. While widely used in practice, the evaluation of CAMs remains challenging due to the lack of ground-truth explanations, making it…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Luca Domeniconi , Alessandra Stramiglio , Michele Lombardi , Samuele Salti

Local explanations of learning-to-rank (LTR) models are thought to extract the most important features that contribute to the ranking predicted by the LTR model for a single data point. Evaluating the accuracy of such explanations is…

Machine Learning · Statistics 2022-03-17 Amir Hossein Akhavan Rahnama , Judith Butepage

The one-shot multi-object tracking, which integrates object detection and ID embedding extraction into a unified network, has achieved groundbreaking results in recent years. However, current one-shot trackers solely rely on single-frame…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Chao Liang , Zhipeng Zhang , Xue Zhou , Bing Li , Weiming Hu

Computational color constancy has the important task of reducing the influence of the scene illumination on the object colors. As such, it is an essential part of the image processing pipelines of most digital cameras. One of the important…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Egor Ershov , Alex Savchik , Illya Semenkov , Nikola Banić , Alexander Belokopytov , Daria Senshina , Karlo Koscević , Marko Subašić , Sven Lončarić

Ranking a set of objects involves establishing an order allowing for comparisons between any pair of objects in the set. Oftentimes, due to the unavailability of a ground truth of ranked orders, researchers resort to obtaining judgments…

Machine Learning · Statistics 2016-12-19 Rahul Gupta , Shrikanth Narayanan

In this study, a novel illuminant color estimation framework is proposed for computational color constancy, which incorporates the high representational capacity of deep-learning-based models and the great interpretability of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Jueqin Qiu , Haisong Xu , Zhengnan Ye

Binary classification is widely used in ML production systems. Monitoring classifiers in a constrained event space is well known. However, real world production systems often lack the ground truth these methods require. Privacy concerns may…

Light spectra are a very important source of information for diverse classification problems, e.g., for discrimination of materials. To lower the cost for acquiring this information, multispectral cameras are used. Several techniques exist…

Image and Video Processing · Electrical Eng. & Systems 2022-09-19 Frank Sippel , Jürgen Seiler , Nils Genser , André Kaup
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