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We present feature finding and tracking algorithms in 3D in living cells, and demonstrate their utility to measure metrics important in cell biological processes. We developed a computational imaging hybrid approach that combines automated…

生物物理 · 物理学 2015-04-06 Kemp Plumb , Sarah Elaz , Vincent Pelletier , Maria L. Kilfoil

Manual counting of mitotic tumor cells in tissue sections constitutes one of the strongest prognostic markers for breast cancer. This procedure, however, is time-consuming and error-prone. We developed a method to automatically detect…

Accurate detection of mitosis plays a critical role in breast cancer histopathology. Manual detection and counting of mitosis is tedious and subject to considerable inter- and intra-reader variations. Multispectral imaging is a recent…

计算机视觉与模式识别 · 计算机科学 2013-04-16 H. Irshad , A. Gouaillard , L. Roux , D. Racoceanu

Colorectal cancers are the third most common type of cancer. They originate from intestinal crypts, glands that descend from the intestinal lumen into the underlying connective tissue. Normal crypts are thought to exist in a dynamic…

组织与器官 · 定量生物学 2015-06-17 Alexander G. Fletcher , Philip J. Murray , Philip K. Maini

Faithful segregation of genetic material during cell division requires alignment of chromosomes between two spindle poles and attachment of their kinetochores to each of the poles. Failure of these complex dynamical processes leads to…

生物物理 · 物理学 2015-12-08 Zsolt Bertalan , Zoe Budrikis , Caterina A. M. La Porta , Stefano Zapperi

Staphylococcus aureus is a coccal bacterium, which divides by binary fission. After division the cells remain attached giving rise to small clusters, with a characteristic 'bunch of grapes' morphology. S. aureus is an important human…

亚细胞过程 · 定量生物学 2016-03-03 Adam J. M. Wollman , Helen Miller , Simon Foster , Mark C. Leake

The timing of cell divisions in early embryos during the In-Vitro Fertilization (IVF) process is a key predictor of embryo viability. However, observing cell divisions in Time-Lapse Monitoring (TLM) is a time-consuming process and highly…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Tien-Phat Nguyen , Trong-Thang Pham , Tri Nguyen , Hieu Le , Dung Nguyen , Hau Lam , Phong Nguyen , Jennifer Fowler , Minh-Triet Tran , Ngan Le

The genetic material of a eukaryotic cell comprises both nuclear DNA (ncDNA) and mitochondrial DNA (mtDNA). These differ markedly in several aspects but nevertheless must encode proteins that are compatible with one another. Here we…

种群与进化 · 定量生物学 2020-09-04 Valmir C. Barbosa , Raul Donangelo , Sergio R. Souza

Mitotic figure detection in histology images is a hard-to-define, yet clinically significant task, where labels are generated with pathologist interpretations and where there is no ``gold-standard'' independent ground-truth. However, it is…

计算机视觉与模式识别 · 计算机科学 2023-10-09 Cagla Deniz Bahadir , Benjamin Liechty , David J. Pisapia , Mert R. Sabuncu

Colorectal adenocarcinoma originating in intestinal glandular structures is the most common form of colon cancer. In clinical practice, the morphology of intestinal glands, including architectural appearance and glandular formation, is used…

Mitotic activity is a crucial proliferation biomarker for the diagnosis and prognosis of different types of cancers. Nevertheless, mitosis counting is a cumbersome process for pathologists, prone to low reproducibility, due to the large…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Claudio Fernandez-Martín , Umay Kiraz , Julio Silva-Rodríguez , Sandra Morales , Emiel Janssen , Valery Naranjo

Automated mitotic detection in time-lapse phasecontrast microscopy provides us much information for cell behavior analysis, and thus several mitosis detection methods have been proposed. However, these methods still have two problems; 1)…

机器学习 · 计算机科学 2020-06-02 Kazuya Nishimura , Ryoma Bise

Glomerulosclerosis, interstitial fibrosis, and tubular atrophy (IFTA) are histologic indicators of irrecoverable kidney injury. In standard clinical practice, the renal pathologist visually assesses, under the microscope, the percentage of…

组织与器官 · 定量生物学 2021-06-23 Brandon Ginley , Kuang-Yu Jen , Avi Rosenberg , Felicia Yen , Sanjay Jain , Agnes Fogo , Pinaki Sarder

Endometriosis, affecting about 10% of individuals assigned female at birth, is challenging to diagnose and manage. Diagnosis typically involves the identification of various signs of the disease using either laparoscopic surgery or the…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Hu Wang , David Butler , Yuan Zhang , Jodie Avery , Steven Knox , Congbo Ma , Louise Hull , Gustavo Carneiro

We measure different contributions to entropy production in a living functional epithelial tissue. We do this by extracting the functional dynamics of development while at the same time quantifying fluctuations. Using the translucent…

软凝聚态物质 · 物理学 2023-01-25 Mark Olenik , Jake Turley , Stephen Cross , Helen Weavers , Paul Martin , Isaac Chenchiah , Tanniemola Liverpool

Mitotic activity is key for the assessment of malignancy in many tumors. Moreover, it has been demonstrated that the proportion of abnormal mitosis to normal mitosis is of prognostic significance. Atypical mitotic figures (MF) can be…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Marc Aubreville , Jonathan Ganz , Jonas Ammeling , Taryn A. Donovan , Rutger H. J. Fick , Katharina Breininger , Christof A. Bertram

Colon Cancer is one of the most common types of cancer. The treatment is planned to depend on the grade or stage of cancer. One of the preconditions for grading of colon cancer is to segment the glandular structures of tissues. Manual…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Rupali Khatun , Soumick Chatterjee

We develop methods for investigating protein drift-diffusion dynamics in heterogeneous cell membranes and the roles played by geometry, diffusion, chemical kinetics, and phase separation. Our hybrid stochastic numerical methods combine…

生物物理 · 物理学 2023-02-28 Patrick D. Tran , Thomas A. Blanpied , Paul J. Atzberger

We propose a 3D convolutional neural network to simultaneously segment and detect cell nuclei in confocal microscopy images. Mirroring the co-dependency of these tasks, our proposed model consists of two serial components: the first part…

图像与视频处理 · 电气工程与系统科学 2018-09-07 Sundaresh Ram , Vicky T. Nguyen , Kirsten H. Limesand , Mert R. Sabuncu

Diabetes encompasses a complex landscape of glycemic control that varies widely among individuals. However, current methods do not faithfully capture this variability at the meal level. On the one hand, expert-crafted features lack the…

机器学习 · 计算机科学 2023-12-07 Ke Alexander Wang , Emily B. Fox