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A novel and fast semi-automatic method for segmentation, locating and counting blood cells in an image is proposed. In this method, thresholding is used to separate the nucleus from the other parts. We also use Hough transform for circles…

Image and Video Processing · Electrical Eng. & Systems 2020-04-21 Hamed Sadeghi , Shahram Shirani , David W. Capson

Molecular subtyping of cancer is recognized as a critical and challenging upstream task for personalized therapy. Existing deep learning methods have achieved significant performance in this domain when abundant data samples are available.…

Quantitative Methods · Quantitative Biology 2025-01-15 Ran Su , Rui Shi , Hui Cui , Ping Xuan , Chengyan Fang , Xikang Feng , Qiangguo Jin

Single cell combinatorial indexing RNA sequencing (sci-RNA-seq) is a powerful method for recovering gene expression data from an exponentially scalable number of individual cells or nuclei. However, sci-RNA-seq is a complex protocol that…

This paper introduces a new kernel-based classifier by viewing kernel matrices as generalized graphs and leveraging recent progress in graph embedding techniques. The proposed method facilitates fast and scalable kernel matrix embedding,…

Machine Learning · Computer Science 2024-11-12 Cencheng Shen

Single-cell RNA-sequencing (scRNA-seq) has become a routinely used technique to quantify the gene expression profile of thousands of single cells simultaneously. Analysis of scRNA-seq data plays an important role in the study of cell states…

Genomics · Quantitative Biology 2022-10-13 Matthew Brendel , Chang Su , Zilong Bai , Hao Zhang , Olivier Elemento , Fei Wang

Synthetic generation of three-dimensional cell models from histopathological images aims to enhance understanding of cell mutation, and progression of cancer, necessary for clinical assessment and optimal treatment. Classical reconstruction…

Image and Video Processing · Electrical Eng. & Systems 2021-02-09 Yoav Alon , Xiang Yu , Huiyu Zhou

We introduce Density sketches (DS): a succinct online summary of the data distribution. DS can accurately estimate point wise probability density. Interestingly, DS also provides a capability to sample unseen novel data from the underlying…

Data Structures and Algorithms · Computer Science 2021-02-25 Aditya Desai , Benjamin Coleman , Anshumali Shrivastava

The progress in imaging techniques have allowed the study of various aspect of cellular mechanisms. To isolate individual cells in live imaging data, we introduce an elegant image segmentation framework that effectively extracts cell…

Computer Vision and Pattern Recognition · Computer Science 2016-02-18 Arnaud Browet , Christophe De Vleeschouwer , Laurent Jacques , Navrita Mathiah , Bechara Saykali , Isabelle Migeotte

We introduce SketchGNN, a convolutional graph neural network for semantic segmentation and labeling of freehand vector sketches. We treat an input stroke-based sketch as a graph, with nodes representing the sampled points along input…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Lumin Yang , Jiajie Zhuang , Hongbo Fu , Xiangzhi Wei , Kun Zhou , Youyi Zheng

Single-cell data analysis seeks to characterize cellular heterogeneity based on high-dimensional gene expression profiles. Conventional approaches represent each cell as a vector in Euclidean space, which limits their ability to capture…

Machine Learning · Computer Science 2025-11-18 Xiang Xiang Wang , Sean Cottrell , Guo-Wei Wei

We describe a system that lets a designer interactively draw patterns of strokes in the picture plane, then guide the synthesis of similar patterns over new picture regions. Synthesis is based on an initial user-assisted analysis phase in…

Graphics · Computer Science 2008-03-25 Pascal Barla , Simon Breslav , Lee Markosian , Joëlle Thollot

Identifying cell clusters is a critical step for single-cell transcriptomics study. Despite the numerous clustering tools developed recently, the rapid growth of scRNA-seq volumes prompts for a more (computationally) efficient clustering…

Quantitative Methods · Quantitative Biology 2023-01-11 Nana Wei , Yating Nie , Lin Liu , Xiaoqi Zheng , Hua-Jun Wu4

The segmentation of cell nuclei in tissue images stained with the blood dye hematoxylin and eosin (H$\&$E) is essential for various clinical applications and analyses. Due to the complex characteristics of cellular morphology, a large…

Image and Video Processing · Electrical Eng. & Systems 2024-07-26 Ziwei Cui , Jingfeng Yao , Lunbin Zeng , Juan Yang , Wenyu Liu , Xinggang Wang

Nuclei detection is an important task in the histology domain as it is a main step toward further analysis such as cell counting, cell segmentation, study of cell connections, etc. This is a challenging task due to the complex texture of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Navid Alemi Koohababni , Mostafa Jahanifar , Ali Gooya , Nasir Rajpoot

Multimodal alignment of histopathology encoders with transcriptomic and genomic data has been shown to significantly improve performance in downstream diagnostic tasks. Hematological cytology is unique in that visual single-cell evaluation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Muhammed Furkan Dasdelen , Fatih Ozlugedik , Ilaria Looser , Rao Muhammad Umer , Christian Pohlkamp , Carsten Marr

Analysis of single-cell RNA sequencing data is often conducted through network projections such as coexpression networks, primarily due to the abundant availability of network analysis tools for downstream tasks. However, this approach has…

Quantitative Methods · Quantitative Biology 2025-12-24 Wan He , Daniel I. Bolnick , Samuel V. Scarpino , Tina Eliassi-Rad

Cell heterogeneity and the inherent complexity due to the interplay of multiple molecular processes within the cell pose difficult challenges for current single-cell biology. We introduce an approach that identifies a disease phenotype from…

Recent advances in technology have enabled the measurement of RNA levels for individual cells. Compared to traditional tissue-level bulk RNA-seq data, single cell sequencing yields valuable insights about gene expression profiles for…

Applications · Statistics 2019-04-16 Lingxue Zhu , Jing Lei , Bernie Devlin , Kathryn Roeder

Multiplex Imaging (MI) enables the simultaneous visualization of multiple biological markers in separate imaging channels at subcellular resolution, providing valuable insights into cell-type heterogeneity and spatial organization. However,…

Image and Video Processing · Electrical Eng. & Systems 2024-11-07 Simon Gutwein , Daria Lazic , Thomas Walter , Sabine Taschner-Mandl , Roxane Licandro

Cell clustering is crucial for uncovering cellular heterogeneity in single-cell RNA sequencing (scRNA-seq) data by identifying cell types and marker genes. Despite its importance, benchmarks for scRNA-seq clustering methods remain…

Genomics · Quantitative Biology 2025-12-03 Ping Xu , Zaitian Wang , Zhirui Wang , Pengjiang Li , Jiajia Wang , Ran Zhang , Pengfei Wang , Yuanchun Zhou