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Glioblastoma brain tumors are highly malignant and often require early detection and accurate segmentation for effective treatment. We are proposing two deep learning models in this paper, namely UNet and Deeplabv3, for the detection and…

Image and Video Processing · Electrical Eng. & Systems 2024-09-02 Utkarsh Maurya , Appisetty Krishna Kalyan , Swapnil Bohidar , S. Sivakumar

Radiation therapy has emerged as one of the preferred techniques to treat brain cancer patients. During treatment, a very high dose of radiation is delivered to a very narrow area. Prescribed radiation therapy for brain cancer requires…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Jose Dolz , Nicolas Reyns , Nacim Betrouni , Dris Kharroubi , Mathilde Quidet , Laurent Massoptier , Maximilien Vermandel

Image segmentation is widely used in a variety of computer vision tasks, such as object localization and recognition, boundary detection, and medical imaging. This thesis proposes deep learning architectures to improve automatic object…

Image and Video Processing · Electrical Eng. & Systems 2019-09-24 Debleena Sengupta

Renal tumors, especially renal cell carcinoma (RCC), show significant heterogeneity, posing challenges for diagnosis using radiology images such as MRI, echocardiograms, and CT scans. U-Net based deep learning techniques are emerging as a…

Artificial Intelligence · Computer Science 2024-10-23 Fnu Neha , Arvind K. Bansal

In this paper, we propose a novel medical image segmentation using iterative deep learning framework. We have combined an iterative learning approach and an encoder-decoder network to improve segmentation results, which enables to precisely…

Computer Vision and Pattern Recognition · Computer Science 2017-08-14 Jung Uk Kim , Hak Gu Kim , Yong Man Ro

The paper demonstrates the use of the fully convolutional neural network for glioma segmentation on the BraTS 2019 dataset. Three-layers deep encoder-decoder architecture is used along with dense connection at encoder part to propagate the…

Image and Video Processing · Electrical Eng. & Systems 2019-09-23 Rupal Agravat , Mehul S Raval

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…

Computer Vision and Pattern Recognition · Computer Science 2018-03-09 Timothy de Moor , Alejandro Rodriguez-Ruiz , Albert Gubern Mérida , Ritse Mann , Jonas Teuwen

Accurate segmentation of polyps in colonoscopy images is essential for early-stage diagnosis and management of colorectal cancer. Despite advancements in deep learning for polyp segmentation, enduring limitations persist. The edges of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Mengqi Lei , Xin Wang

Background: Brain tumor segmentation has a significant impact on the diagnosis and treatment of brain tumors. Accurate brain tumor segmentation remains challenging due to their irregular shapes, vague boundaries, and high variability.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Zhanyuan Jia , Ni Yao , Danyang Sun , Chuang Han , Yanting Li , Jiaofen Nan , Fubao Zhu , Chen Zhao , Weihua Zhou

Achieving accurate and automated tumor segmentation plays an important role in both clinical practice and radiomics research. Segmentation in medicine is now often performed manually by experts, which is a laborious, expensive and…

Image and Video Processing · Electrical Eng. & Systems 2022-11-07 Zhengyong Huang , Sijuan Zou , Guoshuai Wang , Zixiang Chen , Hao Shen , Haiyan Wang , Na Zhang , Lu Zhang , Fan Yang , Haining Wangg , Dong Liang , Tianye Niu , Xiaohua Zhuc , Zhanli Hua

Diffuse Large B-cell Lymphoma (DLBCL) is a lymphatic cancer involving one or more lymph nodes and extranodal sites. Its diagnostic and follow-up rely on Positron Emission Tomography (PET) and Computed Tomography (CT). After diagnosis, the…

In this paper, we target self-supervised representation learning for zero-shot tumor segmentation. We make the following contributions: First, we advocate a zero-shot setting, where models from pre-training should be directly applicable for…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Xiaoman Zhang , Weidi Xie , Chaoqin Huang , Yanfeng Wang , Ya Zhang , Xin Chen , Qi Tian

Manual or automatic delineation of the esophageal tumor in CT images is known to be very challenging. This is due to the low contrast between the tumor and adjacent tissues, the anatomical variation of the esophagus, as well as the…

The need for CT scan analysis is growing for pre-diagnosis and therapy of abdominal organs. Automatic organ segmentation of abdominal CT scan can help radiologists analyze the scans faster and segment organ images with fewer errors.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Shima Rafiei , Ebrahim Nasr-Esfahani , S. M. Reza Soroushmehr , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

Accurate automatic liver and tumor segmentation plays a vital role in treatment planning and disease monitoring. Recently, deep convolutional neural network (DCNNs) has obtained tremendous success in 2D and 3D medical image segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Ziyuan Zhao , Zeyu Ma , Yanjie Liu , Zeng Zeng , Pierce KH Chow

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…

Image and Video Processing · Electrical Eng. & Systems 2020-05-15 Shreshth Saini , Divij Gupta , Anil Kumar Tiwari

Cancer of the brain is deadly and requires careful surgical segmentation. The brain tumors were segmented using U-Net using a Convolutional Neural Network (CNN). When looking for overlaps of necrotic, edematous, growing, and healthy tissue,…

Image and Video Processing · Electrical Eng. & Systems 2023-01-18 MD Abdullah Al Nasim , Abdullah Al Munem , Maksuda Islam , Md Aminul Haque Palash , MD. Mahim Anjum Haque , Faisal Muhammad Shah

Automatic extraction of liver and tumor from CT volumes is a challenging task due to their heterogeneous and diffusive shapes. Recently, 2D and 3D deep convolutional neural networks have become popular in medical image segmentation tasks…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Qiangguo Jin , Zhaopeng Meng , Changming Sun , Leyi Wei , Ran Su

Diffusion models have shown impressive performance for generative modelling of images. In this paper, we present a novel semantic segmentation method based on diffusion models. By modifying the training and sampling scheme, we show that…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Julia Wolleb , Robin Sandkühler , Florentin Bieder , Philippe Valmaggia , Philippe C. Cattin

For 3D medical image (e.g. CT and MRI) segmentation, the difficulty of segmenting each slice in a clinical case varies greatly. Previous research on volumetric medical image segmentation in a slice-by-slice manner conventionally use the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-12 Wenxuan Wang , Chen Chen , Jing Wang , Sen Zha , Yan Zhang , Jiangyun Li