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Humans innately measure distance between instances in an unlabeled dataset using an unknown similarity function. Distance metrics can only serve as proxy for similarity in information retrieval of similar instances. Learning a good…

The impression is crucial for the referring physicians to grasp key information since it is concluded from the findings and reasoning of radiologists. To alleviate the workload of radiologists and reduce repetitive human labor in impression…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Jinpeng Hu , Zhihong Chen , Yang Liu , Xiang Wan , Tsung-Hui Chang

Recently, there has been a growing interest in research concerning document image analysis and recognition in photographic scenarios. However, the lack of labeled datasets for this emerging challenge poses a significant obstacle, as manual…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Jiaxin Zhang , Bangdong Chen , Hiuyi Cheng , Fengjun Guo , Kai Ding , Lianwen Jin

Background: In the field of radiology and radiotherapy, accurate delineation of tissues and organs plays a crucial role in both diagnostics and therapeutics. While the gold standard remains expert-driven manual segmentation, many automatic…

Quantitative Methods · Quantitative Biology 2025-08-14 Szuzina Fazekas , Bettina Katalin Budai , Viktor Bérczi , Pál Maurovich-Horvat , Zsolt Vizi

Graph similarity metrics serve far-ranging purposes across many domains in data science. As graph datasets grow in size, scientists need comparative tools that capture meaningful differences, yet are lightweight and scalable. Graph Relative…

Combinatorics · Mathematics 2019-08-08 Sinan G. Aksoy , Kathleen E. Nowak , Stephen J. Young

The computation of the geometric transformation between a reference and a target image, known as registration or alignment, corresponds to the projection of the target image onto the transformation manifold of the reference image (the set…

Computer Vision and Pattern Recognition · Computer Science 2014-10-01 Elif Vural , Pascal Frossard

Motivated by information geometry, a distance function on the space of stochastic matrices is advocated. Starting with sequences of Markov chains the Bhattacharyya angle is advocated as the natural tool for comparing both short and long…

Probability · Mathematics 2025-05-06 Antony R. Lee , Peter Tino , Iain Bruce Styles

Data is the engine of modern computer vision, which necessitates collecting large-scale datasets. This is expensive, and guaranteeing the quality of the labels is a major challenge. In this paper, we investigate efficient annotation…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Yuan-Hong Liao , Amlan Kar , Sanja Fidler

This paper presents a comparative study of near-duplicate image detection techniques in a real-world use case scenario, where a document management company is commissioned to manually annotate a collection of scanned photographs. Detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Francesc Net , Marc Folia , Pep Casals , Lluis Gomez

Semantic segmentation is a critical task in computer vision aiming to identify and classify individual pixels in an image, with numerous applications in for example autonomous driving and medical image analysis. However, semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Halil Ibrahim Aysel , Xiaohao Cai , Adam Prügel-Bennett

Machine learning has been widely adopted for medical image analysis in recent years given its promising performance in image segmentation and classification tasks. The success of machine learning, in particular supervised learning, depends…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Chengliang Dai , Shuo Wang , Yuanhan Mo , Elsa Angelini , Yike Guo , Wenjia Bai

The classification of histopathology images fundamentally differs from traditional image classification tasks because histopathology images naturally exhibit a range of diagnostic features, resulting in a diverse range of annotator…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Jerry Wei , Lorenzo Torresani , Jason Wei , Saeed Hassanpour

Multi-rater annotations commonly occur when medical images are independently annotated by multiple experts (raters). In this paper, we tackle two challenges arisen in multi-rater annotations for medical image segmentation (called ambiguous…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Jinhong Wang , Yi Cheng , Jintai Chen , Hongxia Xu , Danny Chen , Jian Wu

A major challenge in the segmentation of medical images is the large inter- and intra-observer variability in annotations provided by multiple experts. To address this challenge, we propose a novel method for multi-expert prediction using…

Image and Video Processing · Electrical Eng. & Systems 2023-06-16 Tomer Amit , Shmuel Shichrur , Tal Shaharabany , Lior Wolf

Quantitative analysis of commonalities and differences between recorded music performances is an increasingly common task in computational musicology. A typical scenario involves manual annotation of different recordings of the same piece…

Multimedia · Computer Science 2020-09-28 Thassilo Gadermaier , Gerhard Widmer

Medical image segmentation aims to delineate the anatomical or pathological structures of interest, playing a crucial role in clinical diagnosis. A substantial amount of high-quality annotated data is crucial for constructing high-precision…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Zhongnuo Yan , Tong Han , Yuhao Huang , Lian Liu , Han Zhou , Jiongquan Chen , Wenlong Shi , Yan Cao , Xin Yang , Dong Ni

As a scene graph compactly summarizes the high-level content of an image in a structured and symbolic manner, the similarity between scene graphs of two images reflects the relevance of their contents. Based on this idea, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Sangwoong Yoon , Woo Young Kang , Sungwook Jeon , SeongEun Lee , Changjin Han , Jonghun Park , Eun-Sol Kim

The Gromov-Hausdorff distance measures the similarity between two metric spaces by isometrically embedding them into an ambient metric space. We introduce an analogue of this distance for metric spaces endowed with directed structures. The…

Image ranking is to rank images based on some known ranked images. In this paper, we propose an improved linear ordinal distance metric learning approach based on the linear distance metric learning model. By decomposing the distance metric…

Machine Learning · Computer Science 2019-02-28 Panpan Yu , Qingna Li

Traditional methods for identifying structurally similar spreadsheets fail to capture the spatial layouts and type patterns defining templates. To quantify spreadsheet similarity, we introduce a hybrid distance metric that combines semantic…

Machine Learning · Computer Science 2025-11-12 Anand Krishnakumar , Vengadesh Ravikumaran