中文
相关论文

相关论文: Weakly Supervised PET Tumor Detection Using Class …

200 篇论文

3D medical image segmentation is a challenging task with crucial implications for disease diagnosis and treatment planning. Recent advances in deep learning have significantly enhanced fully supervised medical image segmentation. However,…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Runmin Jiang , Zhaoxin Fan , Junhao Wu , Lenghan Zhu , Xin Huang , Tianyang Wang , Heng Huang , Min Xu

We present a weakly supervised deep learning method to perform instance segmentation of cells present in microscopy images. Annotation of biomedical images in the lab can be scarce, incomplete, and inaccurate. This is of concern when…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Fidel A. Guerrero-Peña , Pedro D. Marrero Fernandez , Tsang Ing Ren , Alexandre Cunha

In this paper we propose a reinforcement learning based weakly supervised system for localisation. We train a controller function to localise regions of interest within an image by introducing a novel reward definition that utilises…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Martynas Pocius , Wen Yan , Dean C. Barratt , Mark Emberton , Matthew J. Clarkson , Yipeng Hu , Shaheer U. Saeed

Weakly supervised segmentation requires assigning a label to every pixel based on training instances with partial annotations such as image-level tags, object bounding boxes, labeled points and scribbles. This task is challenging, as coarse…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Tsung-Wei Ke , Jyh-Jing Hwang , Stella X. Yu

Polyp segmentation is a crucial step towards computer-aided diagnosis of colorectal cancer. However, most of the polyp segmentation methods require pixel-wise annotated datasets. Annotated datasets are tedious and time-consuming to produce,…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Guangyu Ren , Michalis Lazarou , Jing Yuan , Tania Stathaki

Deep learning (DL) has proven highly effective for ultrasound-based computer-aided diagnosis (CAD) of breast cancers. In an automaticCAD system, lesion detection is critical for the following diagnosis. However, existing DL-based methods…

图像与视频处理 · 电气工程与系统科学 2023-06-13 Jian Wang , Liang Qiao , Shichong Zhou , Jin Zhou , Jun Wang , Juncheng Li , Shihui Ying , Cai Chang , Jun Shi

Automatic segmentation of tumor lesions is a critical initial processing step for quantitative PET/CT analysis. However, numerous tumor lesion with different shapes, sizes, and uptake intensity may be distributed in different anatomical…

图像与视频处理 · 电气工程与系统科学 2022-09-07 Shaonan Zhong , Junyang Mo , Zhantao Liu

Accurate identification of breast masses is crucial in diagnosing breast cancer; however, it can be challenging due to their small size and being camouflaged in surrounding normal glands. Worse still, it is also expensive in clinical…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Xinyu Xiong , Churan Wang , Wenxue Li , Guanbin Li

This study presents a novel deep learning architecture for multi-class classification and localization of abnormalities in medical imaging illustrated through experiments on mammograms. The proposed network combines two learning branches.…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Ran Bakalo , Jacob Goldberger , Rami Ben-Ari

This work proposes a novel approach beyond supervised learning for effective pathological image analysis, addressing the challenge of limited robust labeled data. Pathological diagnosis of diseases like cancer has conventionally relied on…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Joonhyeon Song , Seohwan Yun , Seongho Yoon , Joohyeok Kim , Sangmin Lee

There are many approaches to weakly-supervised training of networks to segment 2D images. By contrast, existing approaches to segmenting volumetric images rely on full-supervision of a subset of 2D slices of the 3D volume. We propose an…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Udaranga Wickramasinghe , Patrick M. Jensen , Mian Shah , Jiancheng Yang , Pascal Fua

Deep learning-based computer-aided diagnosis has achieved unprecedented performance in breast cancer detection. However, most approaches are computationally intensive, which impedes their broader dissemination in real-world applications. In…

图像与视频处理 · 电气工程与系统科学 2022-01-14 Jiaqiao Shi , Aleksandar Vakanski , Min Xian , Jianrui Ding , Chunping Ning

Deep convolutional neural networks (CNNs) have become an essential tool in the medical imaging-based computer-aided diagnostic pipeline. However, training accurate and reliable CNNs requires large fine-grain annotated datasets. To alleviate…

图像与视频处理 · 电气工程与系统科学 2021-12-01 Sajith Rajapaksa , Farzad Khalvati

The task of multimodal cancer detection is to determine the locations and categories of lesions by using different imaging techniques, which is one of the key research methods for cancer diagnosis. Recently, deep learning-based object…

图像与视频处理 · 电气工程与系统科学 2023-12-06 Yan Tian , Zhaocheng Xu , Yujun Ma , Weiping Ding , Ruili Wang , Zhihong Gao , Guohua Cheng , Linyang He , Xuran Zhao

Finding automatically multiple lesions in large images is a common problem in medical image analysis. Solving this problem can be challenging if, during optimization, the automated method cannot access information about the location of the…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Florian Dubost , Hieab Adams , Pinar Yilmaz , Gerda Bortsova , Gijs van Tulder , M. Arfan Ikram , Wiro Niessen , Meike Vernooij , Marleen de Bruijne

Brain tumors in magnetic resonance imaging (MR) are difficult, time-consuming, and prone to human error. These challenges can be resolved by developing automatic brain tumor segmentation methods from MR images. Various deep-learning models…

图像与视频处理 · 电气工程与系统科学 2024-08-23 Subin Sahayam , John Michael Sujay Zakkam , Yoga Sri Varshan , Umarani Jayaraman

Often in medical imaging, it is prohibitively challenging to produce enough boundary annotations to train deep neural networks for accurate tumor segmentation. We propose the use of weak labels about whether an image presents tumor or…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Eugene Vorontsov , Pavlo Molchanov , Christopher Beckham , Jan Kautz , Samuel Kadoury

Weakly supervised nuclei segmentation is a critical problem for pathological image analysis and greatly benefits the community due to the significant reduction of labeling cost. Adopting point annotations, previous methods mostly rely on…

图像与视频处理 · 电气工程与系统科学 2022-02-14 Weizhen Liu , Qian He , Xuming He

The objective of this study was to develop a PET tumor-segmentation framework that addresses the challenges of limited spatial resolution, high image noise, and lack of clinical training data with ground-truth tumor boundaries in PET…

Histopathology image analysis plays a critical role in cancer diagnosis and treatment. To automatically segment the cancerous regions, fully supervised segmentation algorithms require labor-intensive and time-consuming labeling at the pixel…

图像与视频处理 · 电气工程与系统科学 2019-08-29 Gang Xu , Zhigang Song , Zhuo Sun , Calvin Ku , Zhe Yang , Cancheng Liu , Shuhao Wang , Jianpeng Ma , Wei Xu