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An efficient deep learning model that can be implemented in real-time for polyp detection is crucial to reducing polyp miss-rate during screening procedures. Convolutional neural networks (CNNs) are vulnerable to small changes in the input…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Hemin Ali Qadir , Younghak Shin , Jacob Bergsland , Ilangko Balasingham

Traditional adversarial attacks typically aim to alter the predicted labels of input images by generating perturbations that are imperceptible to the human eye. However, these approaches often lack explainability. Moreover, most existing…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Akram Heidarizadeh , Connor Hatfield , Lorenzo Lazzarotto , HanQin Cai , George Atia

The reduction of metal artifacts in computed tomography (CT) images, specifically for strong artifacts generated from multiple metal objects, is a challenging issue in medical imaging research. Although there have been some studies on…

图像与视频处理 · 电气工程与系统科学 2020-08-24 Megumi Nakao , Keiho Imanishi , Nobuhiro Ueda , Yuichiro Imai , Tadaaki Kirita , Tetsuya Matsuda

Colorectal cancer (CRC) remains a leading cause of cancer-related deaths worldwide, with polyp removal being an effective early screening method. However, navigating the colon for thorough polyp detection poses significant challenges. To…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Xinwei Ju , Rema Daher , Razvan Caramalau , Baoru Huang , Danail Stoyanov , Francisco Vasconcelos

We propose a novel unsupervised approach based on a two-stage object-centric adversarial framework that only needs object regions for detecting frame-level local anomalies in videos. The first stage consists in learning the correspondence…

计算机视觉与模式识别 · 计算机科学 2020-11-16 Pankaj Raj Roy , Guillaume-Alexandre Bilodeau , Lama Seoud

In ordinal classification, misclassifying neighboring ranks is common, yet the consequences of these errors are not the same. For example, misclassifying benign tumor categories is less consequential, compared to an error at the…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Dileepa Pitawela , Gustavo Carneiro , Hsiang-Ting Chen

Convolutional neural networks have been used to achieve a string of successes during recent years, but their lack of interpretability remains a serious issue. Adversarial examples are designed to deliberately fool neural networks into…

机器学习 · 计算机科学 2020-04-28 Jan Philip Göpfert , André Artelt , Heiko Wersing , Barbara Hammer

Colorectal cancer (CRC), which frequently originates from initially benign polyps, remains a significant contributor to global cancer-related mortality. Early and accurate detection of these polyps via colonoscopy is crucial for CRC…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Ziyu Zhou , Wenyuan Shen , Chang Liu

Rich temporal information and variations in viewpoints make video data an attractive choice for learning image representations using unsupervised contrastive learning (UCL) techniques. State-of-the-art (SOTA) contrastive learning techniques…

图像与视频处理 · 电气工程与系统科学 2022-07-28 Soumen Basu , Somanshu Singla , Mayank Gupta , Pratyaksha Rana , Pankaj Gupta , Chetan Arora

Obtaining models that capture imaging markers relevant for disease progression and treatment monitoring is challenging. Models are typically based on large amounts of data with annotated examples of known markers aiming at automating…

计算机视觉与模式识别 · 计算机科学 2017-03-20 Thomas Schlegl , Philipp Seeböck , Sebastian M. Waldstein , Ursula Schmidt-Erfurth , Georg Langs

Colorectal cancer (CRC) remains a significant cause of cancer-related mortality, despite the widespread implementation of prophylactic initiatives aimed at detecting and removing precancerous polyps. Although screening effectively reduces…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Ahmed Rahu , Brian Shula , Brandon Combs , Aqsa Sultana , Surendra P. Singh , Vijayan K. Asari , Derrick Forchetti

Differentiation of colorectal polyps is an important clinical examination. A computer-aided diagnosis system is required to assist accurate diagnosis from colonoscopy images. Most previous studies at-tempt to develop models for polyp…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Qin Wang , Hui Che , Weizhen Ding , Li Xiang , Guanbin Li , Zhen Li , Shuguang Cui

In this study, to address the current high earlydetection miss rate of colorectal cancer (CRC) polyps, we explore the potentials of utilizing transfer learning and machine learning (ML) classifiers to precisely and sensitively classify the…

图像与视频处理 · 电气工程与系统科学 2022-11-10 Nethra Venkatayogi , Ozdemir Can Kara , Jeff Bonyun , Naruhiko Ikoma , Farshid Alambeigi

Colorectal cancer (CRC) is one of the most commonly diagnosed cancers and a leading cause of cancer deaths in the United States. Colorectal polyps that grow on the intima of the colon or rectum is an important precursor for CRC. Currently,…

图像与视频处理 · 电气工程与系统科学 2019-12-30 Xinzi Sun , Pengfei Zhang , Dechun Wang , Yu Cao , Benyuan Liu

Optical colonoscopy (OC), the most prevalent colon cancer screening tool, has a high miss rate due to a number of factors, including the geometry of the colon (haustral fold and sharp bends occlusions), endoscopist inexperience or fatigue,…

图像与视频处理 · 电气工程与系统科学 2021-06-24 Shawn Mathew , Saad Nadeem , Arie Kaufman

This paper proposes an efficient system for classifying cervical cancer cells using pre-trained convolutional neural networks (CNNs). We first fine-tune five pre-trained CNNs and minimize the overall cost of misclassification by…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Ashfiqun Mustari , Rushmia Ahmed , Afsara Tasnim , Jakia Sultana Juthi , G M Shahariar

Convolutional neural network-based medical image classifiers have been shown to be especially susceptible to adversarial examples. Such instabilities are likely to be unacceptable in the future of automated diagnoses. Though statistical…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Isaac Wasserman

Pathologic diagnosis is a critical phase in deciding the optimal treatment procedure for dealing with colorectal cancer (CRC). Colonic polyps, precursors to CRC, can pathologically be classified into two major types: adenomatous and…

图像与视频处理 · 电气工程与系统科学 2025-02-11 Vanshali Sharma , Debesh Jha , M. K. Bhuyan , Pradip K. Das , Ulas Bagci

Validation metrics are a key prerequisite for the reliable tracking of scientific progress and for deciding on the potential clinical translation of methods. While recent initiatives aim to develop comprehensive theoretical frameworks for…

We present a novel framework for explainable labeling and interpretation of medical images. Medical images require specialized professionals for interpretation, and are explained (typically) via elaborate textual reports. Different from…

图像与视频处理 · 电气工程与系统科学 2022-11-17 Dwarikanath Mahapatra