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In Europe the 20% of the CT scans cover the thoracic region. The acquired images contain information about the cardiovascular system that often remains latent due to the lack of contrast in the cardiac area. On the other hand, the contrast…

Blood cell identification is critical for hematological analysis as it aids physicians in diagnosing various blood-related diseases. In real-world scenarios, blood cell image datasets often present the issues of domain shift and data…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Yongcheng Li , Lingcong Cai , Ying Lu , Xianghua Fu , Xiao Han , Ma Li , Wenxing Lai , Xiangzhong Zhang , Xiaomao Fan

Imbalanced datasets in medical imaging are characterized by skewed class proportions and scarcity of abnormal cases. When trained using such data, models tend to assign higher probabilities to normal cases, leading to biased performance.…

机器学习 · 计算机科学 2023-11-14 Yumnah Hasan , Fatemeh Amerehi , Patrick Healy , Conor Ryan

Developing and validating artificial intelligence models in medical imaging requires datasets that are large, granular, and diverse. To date, the majority of publicly available breast imaging datasets lack in one or more of these areas.…

An autonomous driving system requires a 3D object detector, which must perceive all present road agents reliably to navigate an environment safely. However, real-world driving datasets often suffer from the problem of data imbalance, which…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Daeun Lee , Jongwon Park , Jinkyu Kim

Purpose: To develop a deep network architecture that would achieve fully automated radiologist-level segmentation of cancers at breast MRI. Materials and Methods: In this retrospective study, 38229 examinations (composed of 64063 individual…

Reliable classification of benign and malignant lesions in breast ultrasound images can provide an effective and relatively low cost method for early diagnosis of breast cancer. The accuracy of the diagnosis is however highly dependent on…

图像与视频处理 · 电气工程与系统科学 2021-02-24 Elham Yousef Kalaf , Ata Jodeiri , Seyed Kamaledin Setarehdan , Ng Wei Lin , Kartini Binti Rahman , Nur Aishah Taib , Sarinder Kaur Dhillon

Malignant and benign breast tumors present differently in their shape and size on sonography. Morphological information provided by tumor contours are important in clinical diagnosis. However, ultrasound images contain noises and tissue…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Dar-Ren Chen , Yu-Chih Lin , Yu-Len Huang

Supervised fine-tuning (SFT) is a commonly used technique to adapt large language models (LLMs) to downstream tasks. In practice, SFT on a full dataset is computationally expensive and sometimes suffers from overfitting or bias…

机器学习 · 计算机科学 2026-02-03 Heming Zou , Yixiu Mao , Yun Qu , Qi Wang , Xiangyang Ji

Self-supervised learning (SSL) has potential for effective representation learning in medical imaging, but the choice of data augmentation is critical and domain-specific. It remains uncertain if general augmentation policies suit surgical…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Yuning Zhou , Henry Badgery , Matthew Read , James Bailey , Catherine E. Davey

Each woman living in the United States has about 1 in 8 chance of developing invasive breast cancer. The mitotic cell count is one of the most common tests to assess the aggressiveness or grade of breast cancer. In this prognosis,…

计算机视觉与模式识别 · 计算机科学 2022-02-18 Robin Elizabeth Yancey

Computer-aided detection or decision support systems aim to improve breast cancer screening programs by helping radiologists to evaluate digital mammography (DM) exams. Commonly such methods proceed in two steps: selection of candidate…

计算机视觉与模式识别 · 计算机科学 2018-03-09 Timothy de Moor , Alejandro Rodriguez-Ruiz , Albert Gubern Mérida , Ritse Mann , Jonas Teuwen

This paper introduces a novel indexing and access method, called Feature- Based Adaptive Tolerance Tree (FATT), using wavelet transform is proposed to organize large image data sets efficiently and to support popular image access mechanisms…

多媒体 · 计算机科学 2010-04-09 Dr. P. AnandhaKumar , V. Balamurugan

The purpose of this study is to develop a computer-aided diagnosis system for classifying benign and malignant lung lesions, and to assist physicians in real-time analysis of radial probe endobronchial ultrasound (EBUS) videos. During the…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Ching-Kai Lin , Chin-Wen Chen , Yun-Chien Cheng

Building detection from satellite multispectral imagery data is being a fundamental but a challenging problem mainly because it requires correct recovery of building footprints from high-resolution images. In this work, we propose a deep…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Geesara Prathap , Ilya Afanasyev

Breast cancer is the most common cancer among women worldwide. Early-stage diagnosis of breast cancer can significantly improve the efficiency of treatment. Computer-aided diagnosis (CAD) systems are widely adopted in this issue due to…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Mohammad Reza Abbasniya , Sayed Ali Sheikholeslamzadeh , Hamid Nasiri , Samaneh Emami

Some recent studies have described deep convolutional neural networks to diagnose breast cancer in mammograms with similar or even superior performance to that of human experts. One of the best techniques does two transfer learnings: the…

图像与视频处理 · 电气工程与系统科学 2022-08-04 Daniel G. P. Petrini , Carlos Shimizu , Rosimeire A. Roela , Gabriel V. Valente , Maria A. A. K. Folgueira , Hae Yong Kim

Self-supervised pre-training of deep learning models with contrastive learning is a widely used technique in image analysis. Current findings indicate a strong potential for contrastive pre-training on medical images. However, further…

图像与视频处理 · 电气工程与系统科学 2024-10-21 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

Publicly available diabetic retinopathy (DR) datasets are imbalanced, containing limited numbers of images with DR. This imbalance contributes to overfitting when training machine learning classifiers. The impact of this imbalance is…

图像与视频处理 · 电气工程与系统科学 2023-08-31 Cristina-Madalina Dragan , Muhammad Muneeb Saad , Mubashir Husain Rehmani , Ruairi O'Reilly

In the radiation therapy of nasopharyngeal carcinoma (NPC), clinicians typically delineate the gross tumor volume (GTV) using non-contrast planning computed tomography to ensure accurate radiation dose delivery. However, the low contrast…

图像与视频处理 · 电气工程与系统科学 2025-06-30 Zi Li , Ying Chen , Zeli Chen , Yanzhou Su , Tai Ma , Tony C. W. Mok , Yan-Jie Zhou , Yunhai Bai , Zhinlin Zheng , Le Lu , Yirui Wang , Jia Ge , Xianghua Ye , Senxiang Yan , Dakai Jin
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