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This work addresses how to efficiently classify challenging histopathology images, such as gigapixel whole-slide images for cancer diagnostics with image-level annotation. We use images with annotated tumor regions to identify a set of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Mohammad Iqbal Nouyed , Mary-Anne Hartley , Gianfranco Doretto , Donald A. Adjeroh

Machine Learning (ML) alleviates the challenges of high-dimensional data analysis and improves decision making in critical applications like healthcare. Effective cancer type from high-dimensional genetic mutation data can be useful for…

Cryptography and Security · Computer Science 2022-04-13 Esha Sarkar , Eduardo Chielle , Gamze Gursoy , Leo Chen , Mark Gerstein , Michail Maniatakos

The early detection, diagnosis and monitoring of liver cancer progression can be achieved with the precise delineation of metastatic tumours. However, accurate automated segmentation remains challenging due to the presence of noise,…

Machine Learning · Computer Science 2015-09-02 Samuel Kadoury , Eugene Vorontsov , An Tang

One of the most challenges in medical imaging is the lack of data and annotated data. It is proven that classical segmentation methods such as U-NET are useful but still limited due to the lack of annotated data. Using a weakly supervised…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Amine Amyar , Romain Modzelewski , Pierre Vera , Vincent Morard , Su Ruan

Motivation : Molecular signatures for diagnosis or prognosis estimated from large-scale gene expression data often lack robustness and stability, rendering their biological interpretation challenging. Increasing the signature's…

Machine Learning · Statistics 2010-01-19 Anne-Claire Haury , Laurent Jacob , Jean-Philippe Vert

The spectrum of mutations in a collection of cancer genomes can be described by a mixture of a few mutational signatures. The mutational signatures can be found using non-negative matrix factorization (NMF). To extract the mutational…

Methodology · Statistics 2022-11-02 Marta Pelizzola , Ragnhild Laursen , Asger Hobolth

The absence of adequately sufficient expert-level tumor annotations hinders the effectiveness of supervised learning based opportunistic cancer screening on medical imaging. Clinical reports (that are rich in descriptive textual details)…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Guangyu Guo , Jiawen Yao , Yingda Xia , Tony C. W. Mok , Zhilin Zheng , Junwei Han , Le Lu , Dingwen Zhang , Jian Zhou , Ling Zhang

Semantic segmentation is a critical step in automated image interpretation and analysis where pixels are classified into one or more predefined semantically meaningful classes. Deep learning approaches for semantic segmentation rely on…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Tushar Kataria , Beatrice Knudsen , Shireen Elhabian

The past years have seen a considerable increase in cancer cases. However, a cancer diagnosis is often complex and depends on the types of images provided for analysis. It requires highly skilled practitioners but is often time-consuming…

Image and Video Processing · Electrical Eng. & Systems 2022-10-24 Solene Bechelli

We present convincing empirical results on the application of Randomized Signature Methods for non-linear, non-parametric drift estimation for a multi-variate financial market. Even though drift estimation is notoriously ill defined due to…

Portfolio Management · Quantitative Finance 2023-12-29 Erdinc Akyildirim , Matteo Gambara , Josef Teichmann , Syang Zhou

Automatic segmentation of brain glioma from multimodal MRI scans plays a key role in clinical trials and practice. Unfortunately, manual segmentation is very challenging, time-consuming, costly, and often inaccurate despite human expertise…

Image and Video Processing · Electrical Eng. & Systems 2020-12-08 Minh H. Vu , Tufve Nyholm , Tommy Löfstedt

Accurate characterization of glioma is crucial for clinical decision making. A delineation of the tumor is also desirable in the initial decision stages but is a time-consuming task. Leveraging the latest GPU capabilities, we developed a…

The proliferation of malware variants poses a significant challenges to traditional malware detection approaches, such as signature-based methods, necessitating the development of advanced machine learning techniques. In this research, we…

Machine Learning · Computer Science 2024-12-30 Ritik Mehta , Olha Jureckova , Mark Stamp

We have gained access to vast amounts of multi-omics data thanks to Next Generation Sequencing. However, it is challenging to analyse this data due to its high dimensionality and much of it not being annotated. Lack of annotated data is a…

Machine Learning · Computer Science 2022-10-04 Sayed Hashim , Karthik Nandakumar , Mohammad Yaqub

Breast cancer is the most common type of cancer among women worldwide. The standard histopathology of breast tissue, the primary means of disease diagnosis, involves manual microscopic examination of stained tissue by a pathologist. Because…

Quantitative Methods · Quantitative Biology 2017-11-07 Hassaan Majeed , Tan Huu Nguyen , Mikhail Eugene Kandel , Andre Kajdacsy-Balla , Gabriel Popescu

We exploit Surface-Enhanced Raman Scattering (SERS) to investigate aqueous droplets of genomic DNA deposited onto silver-coated silicon nanowires and we show that it is possible to efficiently discriminate between spectra of tumoral and…

The Kolmogorov-Arnold stochasticity parameter technique is applied for the first time to the study of cancer genome sequencing, to reveal mutations. Using data generated by next generation sequencing technologies, we have analyzed the exome…

Genomics · Quantitative Biology 2018-11-05 V. G. Gurzadyan , H. Yan , G. Vlahovic , A. Kashin , P. Killela , Z. Reitman , S. Sargsyan , G. Yegorian , G. Milledge , B. Vlahovic

Automatic melanoma segmentation in dermoscopic images is essential in computer-aided diagnosis of skin cancer. Existing methods may suffer from the hole and shrink problems with limited segmentation performance. To tackle these issues, we…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Xiaoqing Guo , Zhen Chen , Yixuan Yuan

In this work, we study and analyze different feature selection algorithms that can be used to classify cancer subtypes in case of highly varying high-dimensional data. We apply three different feature selection methods on five different…

Machine Learning · Computer Science 2021-10-01 Vaibhav Sinha , Siladitya Dash , Nazma Naskar , Sk Md Mosaddek Hossain

Methods to visualize the two-dimensional distribution of molecules by mass spectrometric imaging evolve rapidly and yield novel applications in biology, medicine, and material surface sciences. Most mass spectrometric imagers acquire high…

Instrumentation and Detectors · Physics 2011-03-11 Casimir Bamberger , Uwe Renz , Andreas Bamberger