Improved Overlap-based Undersampling for Imbalanced Dataset Classification with Application to Epilepsy and Parkinson's Disease.

International Journal of Neural Systems
Pattaramon Vuttipittayamongkol, Eyad Elyan

Abstract

Classification of imbalanced datasets has attracted substantial research interest over the past decades. Imbalanced datasets are common in several domains such as health, finance, security and others. A wide range of solutions to handle imbalanced datasets focus mainly on the class distribution problem and aim at providing more balanced datasets by means of resampling. However, existing literature shows that class overlap has a higher negative impact on the learning process than class distribution. In this paper, we propose overlap-based undersampling methods for maximizing the visibility of the minority class instances in the overlapping region. This is achieved by the use of soft clustering and the elimination threshold that is adaptable to the overlap degree to identify and eliminate negative instances in the overlapping region. For more accurate clustering and detection of overlapped negative instances, the presence of the minority class at the borderline areas is emphasized by means of oversampling. Extensive experiments using simulated and real-world datasets covering a wide range of imbalance and overlap scenarios including extreme cases were carried out. Results show significant improvement in sensitivity and competitiv...Continue Reading

References

Mar 29, 2005·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Masaki IwasakiR John Leigh
Jul 28, 2017·IEEE Transactions on Neural Networks and Learning Systems·Mohammad Hossein Rafiei, Hojjat Adeli
Oct 5, 2017·Computers in Biology and Medicine·U Rajendra AcharyaHojjat Adeli
May 12, 2018·International Journal of Neural Systems·Amir H AnsariSabine Van Huffel
Sep 27, 2018·Computers in Biology and Medicine·Shreya BhatHojjat Adeli
Oct 15, 2018·Epilepsy & Behavior : E&B·U Rajendra AcharyaHojjat Adeli
Oct 20, 2018·International Journal of Neural Systems·Pedro Gómez-VildaIrena Rektorova
Jan 13, 2019·Sensors·Nicolas KhourySamer Mohammed
May 16, 2019·International Journal of Neural Systems·Fermín SegoviaDiego Castillo-Barnes
Mar 17, 2020·International Journal of Neural Systems·Yang LiBaosheng Li

❮ Previous
Next ❯

Citations

Feb 4, 2021·Arabian Journal for Science and Engineering·Abeer S Desuky, Sadiq Hussain
May 19, 2021·International Journal of Neural Systems·Yanna ZhaoYuanjie Zheng

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.