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The emerging field of precision oncology relies on the accurate pinpointing of alterations in the molecular profile of a tumor to provide personalized targeted treatments. Current methodologies in the field commonly include the application…

Understanding the impact of tumor biology on the composition of nearby cells often requires characterizing the impact of biologically distinct tumor regions. Biomarkers have been developed to label biologically distinct tumor regions, but…

Early detection of cancerous tissue is crucial for long-term patient survival. In the head and neck region, a typical diagnostic procedure is an endoscopic intervention where a medical expert manually assesses tissue using RGB camera…

Sensitivity analysis is an effective tool for systematically identifying specific perturbations in parameters that have significant effects on the behavior of a given biosystem, at the scale investigated. In this work, using a…

定量方法 · 定量生物学 2007-12-04 Zhihui Wang , Christina M. Birch , Thomas S. Deisboeck

Image segmentation some of the challenging issues on brain magnetic resonance image tumor segmentation caused by the weak correlation between magnetic resonance imaging intensity and anatomical meaning.With the objective of utilizing more…

计算机视觉与模式识别 · 计算机科学 2014-03-25 Narkhede Sachin G. , Vaishali Khairnar , Sujata Kadu

In this study, a morphological differentiation-based method has been introduced which employs temperature distribution on the tissue surface to detect brain tumor's malignancy. According to the common tumor CT scans, two different scenarios…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Hamed Hani , Afsaneh Mojra

Existing studies for automated melanoma diagnosis are based on single-time point images of lesions. However, melanocytic lesions de facto are progressively evolving and, moreover, benign lesions can progress into malignant melanoma.…

计算机视觉与模式识别 · 计算机科学 2020-06-22 Zhen Yu , Jennifer Nguyen , Xiaojun Chang , John Kelly , Catriona Mclean , Lei Zhang , Victoria Mar , Zongyuan Ge

Boundary distance (BD) plotting is a technique for making orientation invariant comparisons of the spatial distribution of biochemical markers within and across cells/nuclei. Marker expression is aggregated over points with the same…

应用统计 · 统计学 2010-11-16 Kingshuk Roy Choudhury , Limian Zheng , John J. Mackrill

Hematoxylin- and eosin (H&E) stained whole-slide images (WSIs) are the foundation of diagnosis of cancer. In recent years, development of deep learning-based methods in computational pathology enabled the prediction of biomarkers directly…

The spread of metastases is a crucial process in which some questions remain unanswered. In this work, we focus on tumor cells circulating in the bloodstream, the so-called Circulating Tumor Cells (CTCs). Our aim is to characterize their…

组织与器官 · 定量生物学 2025-01-22 Giorgia Ciavolella , Julien Granet , Jacky Goetz , Nael Osmani , Christèle Etchegaray , Annabelle Collin

Models of biological systems often have many unknown parameters that must be determined in order for model behavior to match experimental observations. Commonly-used methods for parameter estimation that return point estimates of the…

定量方法 · 定量生物学 2018-01-31 Sanjana Gupta , Liam Hainsworth , Justin S. Hogg , Robin E. C. Lee , James R. Faeder

Cancer is a complex disease that provides various types of information depending on the scale of observation. While most tumor diagnostics are performed by observing histopathological slides, radiology images should yield additional…

图像与视频处理 · 电气工程与系统科学 2020-10-07 Marvin Lerousseau , Eric Deutsh , Nikos Paragios

Mutational signatures are patterns of somatic mutations in tumor genomes that provide insights into underlying mutagenic processes and cancer origin. Developing reliable methods for their estimation is of growing importance in cancer…

应用统计 · 统计学 2025-02-04 Blake Hansen , Isabella N. Grabski , Giovanni Parmigiani , Roberta De Vito

Motivation: A branching processes model yields an unevenly stochastically distributed dataset that consists of sparse and dense regions. This work addresses the problem of precisely evaluating parameters for such a model. Applying a…

机器学习 · 统计学 2023-05-09 Iurii S. Nagornov

Motivation: Understanding the spatial architecture of tissues is essential for decoding the complex interactions within cellular ecosystems and their implications for disease pathology and clinical outcomes. Recent advances in multiplex…

定量方法 · 定量生物学 2025-04-28 Junsouk Choi , Jian Kang , Veerabhadran Baladandayuthapani

The tumour microenvironment plays a fundamental role in understanding the development and progression of cancer. This paper proposes a novel spatial point process model that accounts for inhomogeneity and interaction to flexibly model a…

应用统计 · 统计学 2023-07-13 Jonatan A. González , Paula Moraga

During the last decades, medical observations and multiscale data concerning tumor growth are mounting. At the same time, contemporary imaging techniques well established in clinical practice, provide a variety of information on real-time,…

组织与器官 · 定量生物学 2017-12-11 Markos Antonopoulos , Georgios Stamatakos

Cancer radiomics is an emerging discipline promising to elucidate lesion phenotypes and tumor heterogeneity through patterns of enhancement, texture, morphology, and shape. The prevailing technique for image texture analysis relies on the…

应用统计 · 统计学 2020-11-12 Xiao Li , Michele Guindani , Chaan S. Ng , Brian P. Hobbs

Histopathological images are widely used for the analysis of diseased (tumor) tissues and patient treatment selection. While the majority of microscopy image processing was previously done manually by pathologists, recent advances in…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Andrey Ignatov , Josephine Yates , Valentina Boeva

Automatic brain tumor segmentation from multi-modality Magnetic Resonance Images (MRI) using deep learning methods plays an important role in assisting the diagnosis and treatment of brain tumor. However, previous methods mostly ignore the…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Yixin Wang , Yao Zhang , Feng Hou , Yang Liu , Jiang Tian , Cheng Zhong , Yang Zhang , Zhiqiang He