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Accurate detection and segmentation of gastrointestinal bleeding are critical for diagnosing diseases such as peptic ulcers and colorectal cancer. This study proposes a two-stage framework that decouples classification and grounding to…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yu-Fan Lin , Bo-Cheng Qiu , Chia-Ming Lee , Chih-Chung Hsu

Mitotic counting is a vital prognostic marker of tumor proliferation in breast cancer. Deep learning-based mitotic detection is on par with pathologists, but it requires large labeled data for training. We propose a deep classification…

计算机视觉与模式识别 · 计算机科学 2020-07-03 Pushpak Pati , Antonio Foncubierta-Rodriguez , Orcun Goksel , Maria Gabrani

Mitosis detection is one of the challenging problems in computational pathology, and mitotic count is an important index of cancer grading for pathologists. However, current counts of mitotic nuclei rely on pathologists looking…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Huadeng Wang , Hao Xu , Bingbing Li , Xipeng Pan , Lingqi Zeng , Rushi Lan , Xiaonan Luo

We present a method for a real time visualization and automatic processing for detection and classification of untouched cancer cells in blood during stain free imaging flow cytometry using digital holographic microscopy and machine…

生物物理 · 物理学 2021-06-15 Noga Nissim , Matan Dudaie , Itay Barnea. , Natan T. Shaked

Many medical and biological protocols for analyzing individual biological cells involve morphological evaluation based on cell staining, designed to enhance imaging contrast and enable clinicians and biologists to differentiate between…

Cell tracking and segmentation assist biologists in extracting insights from large-scale microscopy time-lapse data. Driven by local accuracy metrics, current tracking approaches often suffer from a lack of long-term consistency and the…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Timo Kaiser , Maximilian Schier , Bodo Rosenhahn

Counting mitotic figures is time-intensive for pathologists and leads to inter-observer variability. Artificial intelligence (AI) promises a solution by automatically detecting mitotic figures while maintaining decision consistency.…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Seungho Choe , Xiaoli Qin , Abubakr Shafique , Amanda Dy , Susan Done , Dimitrios Androutsos , April Khademi

Asymmetric partition of fate determinants during cell division is a hallmark of cell differentiation. Recent work suggested that such a mechanism is hijacked by cancer cells to increase both their phenotypic heterogeneity and plasticity and…

Using computational modelling, we investigate mechanisms of signal transduction focusing on the spindle assembly checkpoint where a single unattached kinetochore is able to signal to prevent cell cycle progression. This inhibitory signal…

亚细胞过程 · 定量生物学 2007-05-23 Richard P. Sear , Martin Howard

During cell division paired (sister) chromosomes are observed to perform approximate saw-tooth oscillations across the cell mid-plane. Experimental data suggests that these oscillations are regulated through intersister tension. We propose…

生物物理 · 物理学 2022-07-04 Nigel J. Burroughs , Andrew D. McAinsh

The analysis of glandular morphology within colon histopathology images is an important step in determining the grade of colon cancer. Despite the importance of this task, manual segmentation is laborious, time-consuming and can suffer from…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Simon Graham , Hao Chen , Jevgenij Gamper , Qi Dou , Pheng-Ann Heng , David Snead , Yee Wah Tsang , Nasir Rajpoot

For the Convolutional Neural Networks (CNNs) applied in the intelligent diagnosis of gastric cancer, existing methods mostly focus on individual characteristics or network frameworks without a policy to depict the integral information.…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Changhao Sun , Chen Li , Jinghua Zhang , Muhammad Rahaman , Shiliang Ai , Hao Chen , Frank Kulwa , Yixin Li , Xiaoyan Li , Tao Jiang

Mathematical models of infectious disease transmission typically neglect within-host dynamics. Yet within-host dynamics - including pathogen replication, host immune responses, and interactions with microbiota - are crucial not only for…

种群与进化 · 定量生物学 2023-12-20 Cameron A. Smith , Ben Ashby

A large number of different lesions and pathologies can affect the human digestive system, resulting in life-threatening situations. Early detection plays a relevant role in the successful treatment and the increase of current survival…

图像与视频处理 · 电气工程与系统科学 2021-11-18 Adrian Galdran , Gustavo Carneiro , Miguel A. González Ballester

The physical and chemical environment inside cells is of fundamental importance to all life but has traditionally been difficult to determine on a subcellular basis. Here we combine cutting-edge genomically integrated FRET biosensing to…

细胞行为 · 定量生物学 2020-10-22 Jack W Shepherd , Sarah Lecinski , Jasmine Wragg , Sviatlana Shashkova , Chris MacDonald , Mark C Leake

Crohn's disease and intestinal tuberculosis share many overlapping features such as clinical, radiological, endoscopic, and histological features - particularly granulomas, making it challenging to clinically differentiate them. Our…

图像与视频处理 · 电气工程与系统科学 2025-03-04 Shashwat Gupta , Sarthak Gupta , Akshan Agrawal , Mahim Naaz , Rajanikanth Yadav , Priyanka Bagade

Primary tumors have a high likelihood of developing metastases in the liver and early detection of these metastases is crucial for patient outcome. We propose a method based on convolutional neural networks (CNN) to detect liver metastases.…

图像与视频处理 · 电气工程与系统科学 2019-10-16 Mariëlle J. A. Jansen , Hugo J. Kuijf , Maarten Niekel , Wouter B. Veldhuis , Frank J. Wessels , Max A. Viergever , Josien P. W. Pluim

Mitotic counts are one of the key indicators of breast cancer prognosis. However, accurate mitotic cell counting is still a difficult problem and is labourious. Automated methods have been proposed for this task, but are usually dependent…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Salar Razavi , Fariba Dambandkhameneh , Dimitri Androutsos , Susan Done , April Khademi

BACKGROUND & AIMS: Histological remission (HR) is advocated and considered as a new therapeutic target in ulcerative colitis (UC). Diagnosis of histologic remission currently relies on biopsy; during this process, patients are at risk for…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Yemin li , Zhongcheng Liu , Xiaoying Lou , Mirigual Kurban , Miao Li , Jie Yang , Kaiwei Che , Jiankun Wang , Max Q. -H Meng , Yan Huang , Qin Guo , Pinjin Hu

A novel mechanism for cell differentiation is proposed, based on the dynamic clustering in a globally coupled chaotic system. A simple model with metabolic reaction, active transport of chemicals from media, and cell division is found to…

adap-org · 物理学 2009-10-22 Kunihiko Kaneko , Tetsuya Yomo