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Endoscopic diagnosis is an important means for gastric polyp detection. In this paper, a panoramic image of gastroscopy is developed, which can display the inner surface of the stomach intuitively and comprehensively. Moreover, the proposed…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Chenfei Shi , Yan Xue , Chuan Jiang , Hui Tian , Bei Liu

This paper presents a novel supervised convolutional neural network architecture, "DUCK-Net", capable of effectively learning and generalizing from small amounts of medical images to perform accurate segmentation tasks. Our model utilizes…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Razvan-Gabriel Dumitru , Darius Peteleaza , Catalin Craciun

Colorectal cancer ranks among the most common and deadly cancers, emphasizing the need for effective early detection and treatment. To address the limitations of traditional colonoscopy, including high miss rates due to polyp variability,…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Arshia Yousefi Nezhad , Helia Aghaei , Hedieh Sajedi

The scarcity of data in medical domains hinders the performance of Deep Learning models. Data augmentation techniques can alleviate that problem, but they usually rely on functional transformations of the data that do not guarantee to…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Adrian Tormos , Blanca Llauradó , Fernando Núñez , Axel Romero , Dario Garcia-Gasulla , Javier Béjar

In this study, with the goal of reducing the early detection miss rate of colorectal cancer (CRC) polyps, we propose utilizing a novel hyper-sensitive vision-based tactile sensor called HySenSe and a complementary and novel machine learning…

Identifying polyps is challenging for automatic analysis of endoscopic images in computer-aided clinical support systems. Models based on convolutional networks (CNN), transformers, and their combinations have been proposed to segment…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Nguyen Thanh Duc , Nguyen Thi Oanh , Nguyen Thi Thuy , Tran Minh Triet , Dinh Viet Sang

We propose a method for gene expression based analysis of cancer phenotypes incorporating network biology knowledge through unsupervised construction of computational graphs. The structural construction of the computational graphs is driven…

Colorectal cancer (CRC) is one of the most commonly diagnosed cancers all over the world. It starts as a polyp in the inner lining of the colon. To prevent CRC, early polyp detection is required. Colonosopy is used for the inspection of the…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Alok Ranjan Sahoo , Satya Sangram Sahoo , Pavan Chakraborty

Precise localization of polyp is crucial for early cancer screening in gastrointestinal endoscopy. Videos given by endoscopy bring both richer contextual information as well as more challenges than still images. The camera-moving situation,…

计算机视觉与模式识别 · 计算机科学 2021-07-09 Lingyun Wu , Zhiqiang Hu , Yuanfeng Ji , Ping Luo , Shaoting Zhang

Purpose: To investigate deep learning electrical properties tomography (EPT) for application on different simulated and in-vivo datasets including pathologies for obtaining quantitative brain conductivity maps. Methods: 3D patch-based…

Colonoscopy is the gold standard for examination and detection of colorectal polyps. Localization and delineation of polyps can play a vital role in treatment (e.g., surgical planning) and prognostic decision making. Polyp segmentation can…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Nikhil Kumar Tomar , Debesh Jha , Sharib Ali , Håvard D. Johansen , Dag Johansen , Michael A. Riegler , Pål Halvorsen

Box-supervised polyp segmentation attracts increasing attention for its cost-effective potential. Existing solutions often rely on learning-free methods or pretrained models to laboriously generate pseudo masks, triggering Dice constraint…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Zhiwei Wang , Qiang Hu , Hongkuan Shi , Li He , Man He , Wenxuan Dai , Yinjiao Tian , Xin Yang , Mei Liu , Qiang Li

Patch-level image representation is very important for object classification and detection, since it is robust to spatial transformation, scale variation, and cluttered background. Many existing methods usually require fine-grained…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Peng Tang , Xinggang Wang , Zilong Huang , Xiang Bai , Wenyu Liu

Active Learning (AL) has the potential to solve a major problem of digital pathology: the efficient acquisition of labeled data for machine learning algorithms. However, existing AL methods often struggle in realistic settings with…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Arne Schmidt , Pablo Morales-Álvarez , Lee A. D. Cooper , Lee A. Newberg , Andinet Enquobahrie , Aggelos K. Katsaggelos , Rafael Molina

Gastrointestinal mucosal changes can cause cancers after some years and early diagnosing them can be very useful to prevent cancers and early treatment. In this article, 8 classes of mucosal changes and anatomical landmarks including…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Mohammadhasan Goharian , Vahid Goharian , Hamidreza Bolhasani

Training deep CNNs to capture localized image artifacts on a relatively small dataset is a challenging task. With enough images at hand, one can hope that a deep CNN characterizes localized artifacts over the entire data and their effect on…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Parag Shridhar Chandakkar , Baoxin Li

During X-ray computed tomography (CT) scanning, metallic implants carrying with patients often lead to adverse artifacts in the captured CT images and then impair the clinical treatment. Against this metal artifact reduction (MAR) task, the…

图像与视频处理 · 电气工程与系统科学 2022-12-27 Hong Wang , Qi Xie , Yuexiang Li , Yawen Huang , Deyu Meng , Yefeng Zheng

Multi-centre colonoscopy images from various medical centres exhibit distinct complicating factors and overlays that impact the image content, contingent on the specific acquisition centre. Existing Deep Segmentation networks struggle to…

图像与视频处理 · 电气工程与系统科学 2023-08-31 Valentina Corbetta , Regina Beets-Tan , Wilson Silva

Applying curriculum learning requires both a range of difficulty in data and a method for determining the difficulty of examples. In many tasks, however, satisfying these requirements can be a formidable challenge. In this paper, we contend…

Brain surface analysis is essential to neuroscience, however, the complex geometry of the brain cortex hinders computational methods for this task. The difficulty arises from a discrepancy between 3D imaging data, which is represented in…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Karthik Gopinath , Christian Desrosiers , Herve Lombaert