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Multi-task learning can suffer from destructive task interference, where jointly trained models underperform single-task baselines and limit generalization. To improve generalization performance in breast ultrasound-based tumor segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Jingru Zhang , Saed Moradi , Ashirbani Saha

Image denoising algorithms have been extensively investigated for medical imaging. To perform image denoising, penalized least-squares (PLS) problems can be designed and solved, in which the penalty term encodes prior knowledge of the…

Image and Video Processing · Electrical Eng. & Systems 2025-02-03 Wentao Chen , Tianming Xu , Weimin Zhou

Manual segmentation of medical images (e.g., segmenting tumors in CT scans) is a high-effort task that can be accelerated with machine learning techniques. However, selecting the right segmentation approach depends on the evaluation…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Seyed M. R. Modaresi , Aomar Osmani , Mohammadreza Razzazi , Abdelghani Chibani

Brain tumor classification using MRI images is critical in medical diagnostics, where early and accurate detection significantly impacts patient outcomes. While recent advancements in deep learning (DL), particularly CNNs, have shown…

Image and Video Processing · Electrical Eng. & Systems 2025-03-03 Priyam Ganguly , Akhilbaran Ghosh

The performance of image classification methodsheavily relies on the high-quality annotations, which are noteasily affordable, particularly for medical data. To alleviate thislimitation, in this study, we propose a weakly supervised…

Image and Video Processing · Electrical Eng. & Systems 2021-09-29 Maedeh Sadat Fasihi , Wasfy B. Mikhael

Many contemporary machine learning models require extensive tuning of hyperparameters to perform well. A variety of methods, such as Bayesian optimization, have been developed to automate and expedite this process. However, tuning remains…

Machine Learning · Computer Science 2020-02-25 Setareh Ariafar , Zelda Mariet , Ehsan Elhamifar , Dana Brooks , Jennifer Dy , Jasper Snoek

We propose a software platform that integrates methods and tools for multi-objective parameter auto- tuning in tissue image segmentation workflows. The goal of our work is to provide an approach for improving the accuracy of nucleus/cell…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-09 Luis F. R. Taveira , Tahsin Kurc , Alba C. M. A. Melo , Jun Kong , Erich Bremer , Joel H. Saltz , George Teodoro

In the field of medical imaging, AI-assisted techniques such as object detection, segmentation, and classification are widely employed to alleviate the workload of physicians and doctors. However, single-task models are predominantly used,…

Image and Video Processing · Electrical Eng. & Systems 2025-11-18 Fan Li , Arun Iyengar , Lanyu Xu

Brain tumor classification is a challenging task in medical image analysis. In this paper, we propose a novel approach to brain tumor classification using a vision transformer with a novel cross-attention mechanism. Our approach leverages…

Image and Video Processing · Electrical Eng. & Systems 2024-11-27 Mohammad Ali Labbaf Khaniki , Marzieh Mirzaeibonehkhater , Mohammad Manthouri , Elham Hasani

Phyllodes tumors (PTs) are rare fibroepithelial breast lesions that are difficult to classify preoperatively due to their radiological similarity to benign fibroadenomas. This often leads to unnecessary surgical excisions. To address this,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Farhan Fuad Abir , Abigail Elliott Daly , Kyle Anderman , Tolga Ozmen , Laura J. Brattain

Optimizing discrete black-box functions is key in several domains, e.g. protein engineering and drug design. Due to the lack of gradient information and the need for sample efficiency, Bayesian optimization is an ideal candidate for these…

Radio signal-based (indoor) localisation technique is important for IoT applications such as smart factory and warehouse. Through machine learning, especially neural networks methods, more accurate mapping from signal features to target…

Machine Learning · Computer Science 2022-03-09 Xingchi Liu , Peizheng Li , Ziming Zhu

This paper presents a new modeling strategy for joint unsupervised analysis of multiple high-throughput biological studies. As in Multi-study Factor Analysis, our goals are to identify both common factors shared across studies and…

Applications · Statistics 2018-06-27 Roberta De Vito , Ruggero Bellio , Lorenzo Trippa , Giovanni Parmigiani

In this paper, we study weakly-supervised laparoscopic image segmentation with sparse annotations. We introduce a novel Bayesian deep learning approach designed to enhance both the accuracy and interpretability of the model's segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Zhou Zheng , Yuichiro Hayashi , Masahiro Oda , Takayuki Kitasaka , Kensaku Mori

Hand-crafted features extracted from dynamic contrast-enhanced magnetic resonance images (DCE-MRIs) have shown strong predictive abilities in characterization of breast lesions. However, heterogeneity across medical image datasets hinders…

Medical Physics · Physics 2017-01-17 Natalia Antropova , Benjamin Huynh , Maryellen Giger

Accurate characterisation of visual attributes such as spiculation, lobulation, and calcification of lung nodules is critical in cancer management. The characterisation of these attributes is often subjective, which may lead to high inter-…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Xiaohang Fu , Lei Bi , Ashnil Kumar , Michael Fulham , Jinman Kim

In this paper we develop a Bayesian optimization based hyperparameter tuning framework inspired by statistical learning theory for classifiers. We utilize two key facts from PAC learning theory; the generalization bound will be higher for a…

Machine Learning · Computer Science 2019-02-08 Tinu Theckel Joy , Santu Rana , Sunil Gupta , Svetha Venkatesh

This paper investigates lung nodule classification by using deep neural networks (DNNs). Hyperparameter optimization in DNNs is a computationally expensive problem, where evaluating a hyperparameter configuration may take several hours or…

Machine Learning · Computer Science 2019-01-03 Miao Zhang , Huiqi Li , Juan Lyu , Sai Ho Ling , Steven Su

Magnetic Resonance Imaging (MRI) is widely recognized as the most reliable tool for detecting tumors due to its capability to produce detailed images that reveal their presence. However, the accuracy of diagnosis can be compromised when…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Zahid Ullah , Dragan Pamucar , Jihie Kim

Tumor saliency estimation aims to localize tumors by modeling the visual stimuli in medical images. However, it is a challenging task for breast ultrasound due to the complicated anatomic structure of the breast and poor image quality; and…

Computer Vision and Pattern Recognition · Computer Science 2019-06-20 Fei Xu , Yingtao Zhang , Min Xian , H. D. Cheng , Boyu Zhang , Jianrui Ding , Chunping Ning , Ying Wang