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Codification of free-text clinical narratives have long been recognised to be beneficial for secondary uses such as funding, insurance claim processing and research. The current scenario of assigning codes is a manual process which is very…

Computation and Language · Computer Science 2021-07-23 Rajvir Kaur , Jeewani Anupama Ginige , Oliver Obst

Multiple instance learning (MIL) is a framework for weakly supervised classification, where labels are assigned to sets of instances, i.e., bags, rather than to individual data points. This paradigm has proven effective in tasks where…

Machine Learning · Computer Science 2026-03-03 Salome Kazeminia , Carsten Marr , Bastian Rieck

Unlike common cancers, such as those of the prostate and breast, tumor grading in rare cancers is difficult and largely undefined because of small sample sizes, the sheer volume of time needed to undertake on such a task, and the inherent…

Modern image classifiers perform well on populated classes, while degrading considerably on tail classes with only a few instances. Humans, by contrast, effortlessly handle the long-tailed recognition challenge, since they can learn the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Yingjun Du , Jiayi Shen , Xiantong Zhen , Cees G. M. Snoek

Real-world data universally confronts a severe class-imbalance problem and exhibits a long-tailed distribution, i.e., most labels are associated with limited instances. The na\"ive models supervised by such datasets would prefer dominant…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Zhengzhuo Xu , Zenghao Chai , Chun Yuan

There are several opportunities for automation in healthcare that can improve clinician throughput. One such example is assistive tools to document diagnosis codes when clinicians write notes. We study the automation of medical code…

Machine Learning · Computer Science 2022-08-05 Weiming Ren , Ruijing Zeng , Tongzi Wu , Tianshu Zhu , Rahul G. Krishnan

We suggest an enhancement to structural coding through the use of (a) causally bound codes, (b) basic constructs of graph theory and (c) statistics. As is the norm with structural coding, the codes are collected into categories. The…

Digital Libraries · Computer Science 2021-07-30 Etienne-Victor Depasquale , Humaira Abdul Salam , Franco Davoli

Medical coding translates clinical documentation into standardized codes for billing, research, and public health, but manual coding is time-consuming and error-prone. Existing automation efforts rely on small datasets that poorly represent…

Automated white blood cell (WBC) classification is essential for leukemia screening but remains challenged by extreme class imbalance, long-tail distributions, and domain shift, leading deep models to overfit dominant classes and fail on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Duc T. Nguyen , Hoang-Long Nguyen , Huy-Hieu Pham

Long-tailed instance segmentation is a challenging task due to the extreme imbalance of training samples among classes. It causes severe biases of the head classes (with majority samples) against the tailed ones. This renders "how to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Yin-Yin He , Peizhen Zhang , Xiu-Shen Wei , Xiangyu Zhang , Jian Sun

Availability of diagnostic codes in Electronic Health Records (EHRs) is crucial for patient care as well as reimbursement purposes. However, entering them in the EHR is tedious, and some clinical codes may be overlooked. Given an…

Machine Learning · Computer Science 2023-05-10 Tsvetan R. Yordanov , Ameen Abu-Hanna , Anita CJ Ravelli , Iacopo Vagliano

Today, scene graph generation(SGG) task is largely limited in realistic scenarios, mainly due to the extremely long-tailed bias of predicate annotation distribution. Thus, tackling the class imbalance trouble of SGG is critical and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Shaotian Yan , Chen Shen , Zhongming Jin , Jianqiang Huang , Rongxin Jiang , Yaowu Chen , Xian-Sheng Hua

In prefix coding over an infinite alphabet, methods that consider specific distributions generally consider those that decline more quickly than a power law (e.g., Golomb coding). Particular power-law distributions, however, model many…

Information Theory · Computer Science 2009-03-06 Michael B. Baer

ICD coding is the process of mapping unstructured text from Electronic Health Records (EHRs) to standardised codes defined by the International Classification of Diseases (ICD) system. In order to promote trust and transparency, existing…

Artificial Intelligence · Computer Science 2026-03-13 Mingyang Li , Viktor Schlegel , Tingting Mu , Wuraola Oyewusi , Kai Kang , Goran Nenadic

Due to the difficulty of cancer samples collection and annotation, cervical cancer datasets usually exhibit a long-tailed data distribution. When training a detector to detect the cancer cells in a WSI (Whole Slice Image) image captured…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Minmin Liu , Xuechen Li , Xiangbo Gao , Junliang Chen , Linlin Shen , Huisi Wu

Predictive coding (PC) is a general theory of cortical function. The local, gradient-based learning rules found in one kind of PC model have recently been shown to closely approximate backpropagation. This finding suggests that this…

Neural and Evolutionary Computing · Computer Science 2021-12-09 Nick Alonso , Emre Neftci

Clinical Text Notes (CTNs) contain physicians' reasoning process, written in an unstructured free text format, as they examine and interview patients. In recent years, several studies have been published that provide evidence for the…

Computation and Language · Computer Science 2022-08-19 Hlynur D. Hlynsson , Steindór Ellertsson , Jón F. Daðason , Emil L. Sigurdsson , Hrafn Loftsson

The attributable fraction among the exposed (\textbf{AF}$_e$), also known as the attributable risk or excess fraction among the exposed, is the proportion of disease cases among the exposed that could be avoided by eliminating the exposure.…

Methodology · Statistics 2024-12-30 Kan Chen , Jing Cheng , M. Elizabeth Halloran , Dylan S. Small

Imbalanced datasets pose a considerable challenge in training deep learning (DL) models for medical diagnostics, particularly for segmentation tasks. Imbalance may be associated with annotation quality limited annotated datasets, rare…

Image and Video Processing · Electrical Eng. & Systems 2025-04-08 Bashir Alam , Masa Cirkovic , Mete Harun Akcay , Md Kaf Shahrier , Sebastien Lafond , Hergys Rexha , Kurt Benke , Sepinoud Azimi , Janan Arslan

Objectives: Administrative data is commonly used to inform chronic disease prevalence and support health informatics research. This study assessed the validity of coding comorbidity in the International Classification of Diseases, 10th…

Quantitative Methods · Quantitative Biology 2025-04-02 Jie Pan , Seungwon Lee , Cheligeer Cheligeer , Bing Li , Guosong Wu , Catherine A Eastwood , Yuan Xu , Hude Quan