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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,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Kumar Abhinav , Jaideep Singh Chauhan , Debasis Sarkar

Nuclei Segmentation from histology images is a fundamental task in digital pathology analysis. However, deep-learning-based nuclei segmentation methods often suffer from limited annotations. This paper proposes a realistic data augmentation…

Image and Video Processing · Electrical Eng. & Systems 2022-07-01 Yi Lin , Zeyu Wang , Kwang-Ting Cheng , Hao Chen

Image segmentation algorithms can be understood as a collection of pixel classifiers, for which the outcomes of nearby pixels are correlated. Classifier models can be calibrated using Inductive Conformal Prediction, but this requires…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Joren Brunekreef , Eric Marcus , Ray Sheombarsing , Jan-Jakob Sonke , Jonas Teuwen

To autonomously navigate and plan interactions in real-world environments, robots require the ability to robustly perceive and map complex, unstructured surrounding scenes. Besides building an internal representation of the observed scene…

Recently, instance segmentation has made great progress with the rapid development of deep neural networks. However, there still exist two main challenges including discovering indistinguishable objects and modeling the relationship between…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Jinming Su , Ruihong Yin , Xingyue Chen , Junfeng Luo

Image segmentation is an important task in the domain of computer vision and medical imaging. In natural and medical images, intensity inhomogeneity, i.e. the varying image intensity, occurs often and it poses considerable challenges for…

Image and Video Processing · Electrical Eng. & Systems 2019-04-04 Raymond Chan , Hongfei Yang , Tieyong Zeng

Background: The quantitative analysis of microscope videos often requires instance segmentation and tracking of cellular and subcellular objects. The traditional method consists of two stages: (1) performing instance object segmentation of…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Quan Liu , Isabella M. Gaeta , Mengyang Zhao , Ruining Deng , Aadarsh Jha , Bryan A. Millis , Anita Mahadevan-Jansen , Matthew J. Tyska , Yuankai Huo

Moving object segmentation plays a crucial role in understanding dynamic scenes involving multiple moving objects, while the difficulties lie in taking into account both spatial texture structures and temporal motion cues. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Zhexiong Wan , Bin Fan , Le Hui , Yuchao Dai , Gim Hee Lee

Starting from a variational formulation, we present a model for image segmentation that employs both region statistics and edge information. This combination allows for improved flexibility, making the proposed model suitable to process a…

Analysis of PDEs · Mathematics 2019-10-15 Carlos M. Paniagua Mejia

Instance segmentation and classification of nuclei is an important task in computational pathology. We show that StarDist, a deep learning nuclei segmentation method originally developed for fluorescence microscopy, can be extended and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Martin Weigert , Uwe Schmidt

We consider detecting objects in an image by iteratively selecting from a set of arbitrarily shaped candidate regions. Our generic approach, which we term visual chunking, reasons about the locations of multiple object instances in an image…

Computer Vision and Pattern Recognition · Computer Science 2015-03-18 Nicholas Rhinehart , Jiaji Zhou , Martial Hebert , J. Andrew Bagnell

Generally, microscopy image analysis in biology relies on the segmentation of individual nuclei, using a dedicated stained image, to identify individual cells. However stained nuclei have drawbacks like the need for sample preparation, and…

Image and Video Processing · Electrical Eng. & Systems 2022-11-08 Gendarme Mathieu , Lambert Annika M. , El Debs Bachir

Machine learning holds tremendous promise for transforming the fundamental practice of scientific discovery by virtue of its data-driven nature. With the ever-increasing stream of research data collection, it would be appealing to…

Machine Learning · Computer Science 2024-03-06 Jianan Fan , Dongnan Liu , Hang Chang , Heng Huang , Mei Chen , Weidong Cai

Accurate delineation of individual cells in microscopy videos is essential for studying cellular dynamics, yet separating touching or overlapping instances remains a persistent challenge. Although foundation-model for segmentation such as…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Thomas Mendelson , Joshua Francois , Galit Lahav , Tammy Riklin-Raviv

We propose a simple yet effective framework for instance and panoptic segmentation, termed CondInst (conditional convolutions for instance and panoptic segmentation). In the literature, top-performing instance segmentation methods typically…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Zhi Tian , Bowen Zhang , Hao Chen , Chunhua Shen

Image stitching for two images without a global transformation between them is notoriously difficult. In this paper, noticing the importance of planar structure under perspective geometry, we propose a new image stitching method which…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Aocheng Li , Jie Guo , Yanwen Guo

Along with the breakthrough of convolutional neural networks, learning-based segmentation has emerged in many research works. Most of them are based on supervised learning, requiring plenty of annotated data; however, to support…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Junhuan Yang , Yi Sheng , Yuzhou Zhang , Weiwen Jiang , Lei Yang

This work introduces a new proposal-free instance segmentation method that builds on single-instance segmentation masks predicted across the entire image in a sliding window style. In contrast to related approaches, our method concurrently…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Alberto Bailoni , Constantin Pape , Steffen Wolf , Anna Kreshuk , Fred A. Hamprecht

In this paper, we propose a single-shot instance segmentation method, which is simple, fast and accurate. There are two main challenges for one-stage instance segmentation: object instances differentiation and pixel-wise feature alignment.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Yuqing Wang , Zhaoliang Xu , Hao Shen , Baoshan Cheng , Lirong Yang

We propose a new embedding method which is particularly well-suited for settings where the sample size greatly exceeds the ambient dimension. Our technique consists of partitioning the space into simplices and then embedding the data points…

Machine Learning · Computer Science 2020-02-07 Lee-Ad Gottlieb , Eran Kaufman , Aryeh Kontorovich , Gabriel Nivasch , Ofir Pele