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The skeletal region is one of the common sites of metastatic spread of cancer in the breast and prostate. CT is routinely used to measure the size of lesions in the bones. However, they can be difficult to spot due to the wide variations in…

图像与视频处理 · 电气工程与系统科学 2024-02-02 Tao Sheng , Tejas Sudharshan Mathai , Alexander Shieh , Ronald M. Summers

In radiologists' routine work, one major task is to read a medical image, e.g., a CT scan, find significant lesions, and describe them in the radiology report. In this paper, we study the lesion description or annotation problem. Given a…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Ke Yan , Yifan Peng , Veit Sandfort , Mohammadhadi Bagheri , Zhiyong Lu , Ronald M. Summers

Melanoma is amongst most aggressive types of cancer. However, it is highly curable if detected in its early stages. Prescreening of suspicious moles and lesions for malignancy is of great importance. Detection can be done by images captured…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Mohammad H. Jafari , Ebrahim Nasr-Esfahani , Nader Karimi , S. M. Reza Soroushmehr , Shadrokh Samavi , Kayvan Najarian

Accurate lesion detection in computer tomography (CT) slices benefits pathologic organ analysis in the medical diagnosis process. More recently, it has been tackled as an object detection problem using the Convolutional Neural Networks…

计算机视觉与模式识别 · 计算机科学 2019-07-10 Qingbin Shao , Lijun Gong , Kai Ma , Hualuo Liu , Yefeng Zheng

The localization of teeth and segmentation of periapical lesions in cone-beam computed tomography (CBCT) images are crucial tasks for clinical diagnosis and treatment planning, which are often time-consuming and require a high level of…

图像与视频处理 · 电气工程与系统科学 2023-12-20 Arnela Hadzic , Barbara Kirnbauer , Darko Stern , Martin Urschler

Melanoma is a life-threatening form of skin cancer when left undiagnosed at the early stages. Although there are more cases of non-melanoma cancer than melanoma cancer, melanoma cancer is more deadly. Early detection of melanoma is crucial…

图像与视频处理 · 电气工程与系统科学 2020-05-15 Shreshth Saini , Divij Gupta , Anil Kumar Tiwari

Automatic lymph node (LN) segmentation and detection for cancer staging are critical. In clinical practice, computed tomography (CT) and positron emission tomography (PET) imaging detect abnormal LNs. Despite its low contrast and variety in…

图像与视频处理 · 电气工程与系统科学 2022-12-23 Al-Akhir Nayan , Boonserm Kijsirikul , Yuji Iwahori

There has been growing research interest in using deep learning based method to achieve fully automated segmentation of lesion in Positron emission tomography computed tomography(PET CT) scans for the prognosis of various cancers. Recent…

图像与视频处理 · 电气工程与系统科学 2022-09-19 Jia Zhang , Yukun Huang , Zheng Zhang , Yuhang Shi

Fully annotated large-scale medical image datasets are highly valuable. However, because labeling medical images is tedious and requires specialized knowledge, the large-scale datasets available often have missing annotation issues. For…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Xiaoyu Bai , Yong Xia

Universal lesion detection and tagging (ULDT) in CT studies is critical for tumor burden assessment and tracking the progression of lesion status (growth/shrinkage) over time. However, a lack of fully annotated data hinders the development…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Alexander Shieh , Tejas Sudharshan Mathai , Jianfei Liu , Angshuman Paul , Ronald M. Summers

Early detection of skin cancer, particularly melanoma, is crucial to enable advanced treatment. Due to the rapid growth in the numbers of skin cancers, there is a growing need of computerized analysis for skin lesions. The state-of-the-art…

图像与视频处理 · 电气工程与系统科学 2019-07-31 Manu Goyal , Amanda Oakley , Priyanka Bansal , Darren Dancey , Moi Hoon Yap

This research presents a machine-learning approach for tumor detection in medical images using convolutional neural networks (CNNs). The study focuses on preprocessing techniques to enhance image features relevant to tumor detection,…

图像与视频处理 · 电气工程与系统科学 2024-03-01 Ha Anh Vu

Size measurements of tumor manifestations on follow-up CT examinations are crucial for evaluating treatment outcomes in cancer patients. Efficient lesion segmentation can speed up these radiological workflows. While numerous benchmarks and…

图像与视频处理 · 电气工程与系统科学 2024-06-24 M. J. J. de Grauw , E. Th. Scholten , E. J. Smit , M. J. C. M. Rutten , M. Prokop , B. van Ginneken , A. Hering

Convolutional Neural Networks (CNNs) have shown remarkable progress in medical image segmentation. However, lesion segmentation remains a challenge to state-of-the-art CNN-based algorithms due to the variance in scales and shapes. On the…

图像与视频处理 · 电气工程与系统科学 2023-05-31 Yanwen Li , Luyang Luo , Huangjing Lin , Pheng-Ann Heng , Hao Chen

One of the essential tasks in medical image analysis is segmentation and accurate detection of borders. Lesion segmentation in skin images is an essential step in the computerized detection of skin cancer. However, many of the…

Several machine learning techniques for accurate detection of skin cancer from medical images have been reported. Many of these techniques are based on pre-trained convolutional neural networks (CNNs), which enable training the models based…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Aqsa Saeed Qureshi , Teemu Roos

Ultrasound images are one of the most widely used techniques in clinical settings to analyze and detect different organs for study or diagnoses of diseases. The dependence on subjective opinions of experts such as radiologists calls for an…

图像与视频处理 · 电气工程与系统科学 2019-11-25 Ruturaj Gole , Haixia Wu , Subho Ghose

Finding small lesions is very challenging due to lack of noticeable features, severe class imbalance, as well as the size itself. One approach to improve small lesion segmentation is to reduce the region of interest and inspect it at a…

图像与视频处理 · 电气工程与系统科学 2022-08-01 Seung Yeon Shin , Thomas C. Shen , Stephen A. Wank , Ronald M. Summers

Deep learning implemented with convolutional network architectures can exceed specialists' diagnostic accuracy. However, whole-image deep learning trained on a given dataset may not generalize to other datasets. The problem arises because…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Norsang Lama , R. Joe Stanley , Anand Nambisan , Akanksha Maurya , Jason Hagerty , William V. Stoecker

Accurate, automated lesion detection in Computed Tomography (CT) is an important yet challenging task due to the large variation of lesion types, sizes, locations and appearances. Recent work on CT lesion detection employs two-stage region…

图像与视频处理 · 电气工程与系统科学 2019-06-07 Martin Zlocha , Qi Dou , Ben Glocker