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In medicine, visualizing chromosomes is important for medical diagnostics, drug development, and biomedical research. Unfortunately, chromosomes often overlap and it is necessary to identify and distinguish between the overlapping…

计算机视觉与模式识别 · 计算机科学 2017-12-21 R. Lily Hu , Jeremy Karnowski , Ross Fadely , Jean-Patrick Pommier

Chromosome analysis and identification from metaphase images is a critical part of cytogenetics based medical diagnosis. It is mainly used for identifying constitutional, prenatal and acquired abnormalities in the diagnosis of genetic…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Amritha S Pallavoor , Prajwal A , Sundareshan TS , Sreekanth K Pallavoor

A fundamental task in human chromosome analysis is chromosome segmentation. Segmentation plays an important role in chromosome karyotyping. The first step in segmentation is to remove intrusive objects such as stain debris and other noises.…

计算机视觉与模式识别 · 计算机科学 2014-09-02 Shervin Minaee , Mehran Fotouhi , Babak Hossein Khalaj

Chromosome recognition is an essential task in karyotyping, which plays a vital role in birth defect diagnosis and biomedical research. However, existing classification methods face significant challenges due to the inter-class similarity…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Ruijia Chang , Suncheng Xiang , Chengyu Zhou , Kui Su , Dahong Qian , Jun Wang

Chromosome karyotype analysis is of great clinical importance in the diagnosis and treatment of diseases, especially for genetic diseases. Since manual analysis is highly time and effort consuming, computer-assisted automatic chromosome…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Liye Mei , Yalan Yu , Yueyun Weng , Xiaopeng Guo , Yan Liu , Du Wang , Sheng Liu , Fuling Zhou , Cheng Lei

Chromosome classification is an important but difficult and tedious task in karyotyping. Previous methods only classify manually segmented single chromosome, which is far from clinical practice. In this work, we propose a detection based…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Chunlong Luo , Tianqi Yu , Yufan Luo , Manqing Wang , Fuhai Yu , Yinhao Li , Chan Tian , Jie Qiao , Li Xiao

Chromosome classification is critical for karyotyping in abnormality diagnosis. To expedite the diagnosis, we present a novel method named Varifocal-Net for simultaneous classification of chromosome's type and polarity using deep…

计算机视觉与模式识别 · 计算机科学 2019-03-21 Yulei Qin , Juan Wen , Hao Zheng , Xiaolin Huang , Jie Yang , Ning Song , Yue-Min Zhu , Lingqian Wu , Guang-Zhong Yang

Automated chromosome instance segmentation from metaphase cell microscopic images is critical for the diagnosis of chromosomal disorders (i.e., karyotype analysis). However, it is still a challenging task due to lacking of densely annotated…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Dan You , Pengcheng Xia , Qiuzhu Chen , Minghui Wu , Suncheng Xiang , Jun Wang

Chromosomal crossovers play a crucial role in meiotic cell division, as they ensure proper chromosome segregation and increase genetic variability. Experiments have consistently revealed two key observations across species: (i) the number…

生物物理 · 物理学 2025-09-12 Marcel Ernst , Riccardo Rossetto , David Zwicker

The ability to dynamically extend a model to new data and classes is critical for multiple organ and tumor segmentation. However, due to privacy regulations, accessing previous data and annotations can be problematic in the medical domain.…

图像与视频处理 · 电气工程与系统科学 2023-07-24 Yixiao Zhang , Xinyi Li , Huimiao Chen , Alan Yuille , Yaoyao Liu , Zongwei Zhou

Karyotyping is an important procedure to assess the possible existence of chromosomal abnormalities. However, because of the non-rigid nature, chromosomes are usually heavily curved in microscopic images and such deformed shapes hinder the…

计算机视觉与模式识别 · 计算机科学 2022-07-04 Sunyi Zheng , Jingxiong Li , Zhongyi Shui , Chenglu Zhu , Yunlong Zhang , Pingyi Chen , Lin Yang

Chromosome enumeration is an essential but tedious procedure in karyotyping analysis. To automate the enumeration process, we develop a chromosome enumeration framework, DeepACEv2, based on the region based object detection scheme. The…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Li Xiao , Chunlong Luo , Tianqi Yu , Yufan Luo , Manqing Wang , Fuhai Yu , Yinhao Li , Chan Tian , Jie Qiao

Pathogenic chromosome abnormalities are very common among the general population. While numerical chromosome abnormalities can be quickly and precisely detected, structural chromosome abnormalities are far more complex and typically require…

人工智能 · 计算机科学 2024-07-12 Juren Li , Fanzhe Fu , Ran Wei , Yifei Sun , Zeyu Lai , Ning Song , Xin Chen , Yang Yang

We present a weakly supervised deep learning method to perform instance segmentation of cells present in microscopy images. Annotation of biomedical images in the lab can be scarce, incomplete, and inaccurate. This is of concern when…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Fidel A. Guerrero-Peña , Pedro D. Marrero Fernandez , Tsang Ing Ren , Alexandre Cunha

In this work, we propose a new segmentation algorithm for images containing convex objects present in multiple shapes with a high degree of overlap. The proposed algorithm is carried out in two steps, first we identify the visible contours,…

计算机视觉与模式识别 · 计算机科学 2017-11-08 Kumar Abhinav , Jaideep Singh Chauhan , Debasis Sarkar

This work considers semi-supervised segmentation as a dense prediction problem based on prototype vector correlation and proposes a simple way to represent each segmentation class with multiple prototypes. To avoid degenerate solutions, two…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Jizong Peng , Christian Desrosiers , Marco Pedersoli

Traditional semantic segmentation methods can recognize at test time only the classes that are present in the training set. This is a significant limitation, especially for semantic segmentation algorithms mounted on intelligent autonomous…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Dario Fontanel , Fabio Cermelli , Massimiliano Mancini , Barbara Caputo

Segmentation, or the outlining of objects within images, is a critical step in the measurement and analysis of cells within microscopy images. While improvements continue to be made in tools that rely on classical methods for segmentation,…

定量方法 · 定量生物学 2024-03-15 Nodar Gogoberidze , Beth A. Cimini

Cell instance segmentation in cytology images has significant importance for biology analysis and cancer screening, while remains challenging due to 1) the extensive overlapping translucent cell clusters that cause the ambiguous boundaries,…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Hao Jiang , Rushan Zhang , Yanning Zhou , Yumeng Wang , Hao Chen

Understanding genetic variation, e.g., through mutations, in organisms is crucial to unravel their effects on the environment and human health. A fundamental characterization can be obtained by solving the haplotype assembly problem, which…

基因组学 · 定量生物学 2022-10-25 Hansheng Xue , Vaibhav Rajan , Yu Lin
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