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Microscopy structure segmentation, such as detecting cells or nuclei, generally requires a human to draw a ground truth contour around each instance. Weakly supervised approaches (e.g. consisting of only single point labels) have the…

计算机视觉与模式识别 · 计算机科学 2024-11-25 James Willoughby , Irina Voiculescu

This paper introduces an efficient sparse recovery approach for Polynomial Chaos (PC) expansions, which promotes the sparsity by breaking the dimensionality of the problem. The proposed algorithm incrementally explores sub-dimensional…

统计计算 · 统计学 2017-04-05 Negin Alemazkoor , Hadi Meidani

Weakly supervised instance segmentation reduces the cost of annotations required to train models. However, existing approaches which rely only on image-level class labels predominantly suffer from errors due to (a) partial segmentation of…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Qing Liu , Vignesh Ramanathan , Dhruv Mahajan , Alan Yuille , Zhenheng Yang

We introduce a highly efficient method for panoptic segmentation of large 3D point clouds by redefining this task as a scalable graph clustering problem. This approach can be trained using only local auxiliary tasks, thereby eliminating the…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Damien Robert , Hugo Raguet , Loic Landrieu

Weakly Supervised Object Detection (WSOD), using only image-level annotations to train object detectors, is of growing importance in object recognition. In this paper, we propose a novel deep network for WSOD. Unlike previous networks that…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Peng Tang , Xinggang Wang , Song Bai , Wei Shen , Xiang Bai , Wenyu Liu , Alan Yuille

Weakly Supervised Semantic Segmentation (WSSS) is a challenging task aiming to learn the segmentation labels from class-level labels. In the literature, exploiting the information obtained from Class Activation Maps (CAMs) is widely used…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Cenk Bircanoglu , Nafiz Arica

In this paper we present a simple partitioning based technique to refine the statistical analysis of classification algorithms. The core of our idea is to divide the input space into two parts such that the first part contains a suitable…

统计理论 · 数学 2018-03-06 Ingrid Blaschzyk , Ingo Steinwart

We introduce an innovative method for incremental nonparametric probabilistic inference in high-dimensional state spaces. Our approach leverages \slices from high-dimensional surfaces to efficiently approximate posterior distributions of…

人工智能 · 计算机科学 2024-05-28 Moshe Shienman , Ohad Levy-Or , Michael Kaess , Vadim Indelman

Despite its broad availability, volumetric information acquisition from Bright-Field Microscopy (BFM) is inherently difficult due to the projective nature of the acquisition process. We investigate the prediction of 3D cell instances from a…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Shervin Dehghani , Benjamin Busam , Nassir Navab , Ali Nasseri

We present a self-supervised algorithm for several classification tasks within hematoxylin and eosin (H&E) stained images of breast cancer. Our method is robust to stain variations inherent to the histology images acquisition process, which…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Alexandre Tiard , Alex Wong , David Joon Ho , Yangchao Wu , Eliram Nof , Alvin C. Goh , Stefano Soatto , Saad Nadeem

Segmentation and accurate localization of nuclei in histopathological images is a very challenging problem, with most existing approaches adopting a supervised strategy. These methods usually rely on manual annotations that require a lot of…

图像与视频处理 · 电气工程与系统科学 2020-07-17 Mihir Sahasrabudhe , Stergios Christodoulidis , Roberto Salgado , Stefan Michiels , Sherene Loi , Fabrice André , Nikos Paragios , Maria Vakalopoulou

In this paper, we develop a complete pipeline for stain normalization, segmentation, and classification of nuclei in hematoxylin and eosin (H&E) stained breast cancer histopathology images. In the first step, we use a CNN-based stain…

计算机视觉与模式识别 · 计算机科学 2018-11-12 Edwin Yuan , Junkyo Suh

Accurate detection and segmentation of gastrointestinal bleeding are critical for diagnosing diseases such as peptic ulcers and colorectal cancer. This study proposes a two-stage framework that decouples classification and grounding to…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yu-Fan Lin , Bo-Cheng Qiu , Chia-Ming Lee , Chih-Chung Hsu

Despite the availability of large datasets for tasks like image classification and image-text alignment, labeled data for more complex recognition tasks, such as detection and segmentation, is less abundant. In particular, for instance…

计算机视觉与模式识别 · 计算机科学 2024-03-19 François Porcher , Camille Couprie , Marc Szafraniec , Jakob Verbeek

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…

图像与视频处理 · 电气工程与系统科学 2022-11-08 Gendarme Mathieu , Lambert Annika M. , El Debs Bachir

Instance segmentation is one of the actively studied research topics in computer vision in which many objects of interest should be separated individually. While many feed-forward networks produce high-quality segmentation on different…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Tuan Tran Anh , Khoa Nguyen-Tuan , Tran Minh Quan , Won-Ki Jeong

Recently, single-stage embedding based deep learning algorithms gain increasing attention in cell segmentation and tracking. Compared with the traditional "segment-then-associate" two-stage approach, a single-stage algorithm not only…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Mengyang Zhao , Aadarsh Jha , Quan Liu , Bryan A. Millis , Anita Mahadevan-Jansen , Le Lu , Bennett A. Landman , Matthew J. Tyskac , Yuankai Huo

Weakly supervised instance segmentation (WSIS) using only image-level labels is a challenging task due to the difficulty of aligning coarse annotations with the finer task. However, with the advancement of deep neural networks (DNNs), WSIS…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Zecheng Li , Zening Zeng , Yuqi Liang , Jin-Gang Yu

Cell segmentation for multi-modal microscopy images remains a challenge due to the complex textures, patterns, and cell shapes in these images. To tackle the problem, we first develop an automatic cell classification pipeline to label the…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Wei Lou , Xinyi Yu , Chenyu Liu , Xiang Wan , Guanbin Li , Siqi Liu , Haofeng Li

The task of medical image segmentation presents unique challenges, necessitating both localized and holistic semantic understanding to accurately delineate areas of interest, such as critical tissues or aberrant features. This complexity is…

图像与视频处理 · 电气工程与系统科学 2023-08-22 Pranav Singh , Luoyao Chen , Mei Chen , Jinqian Pan , Raviteja Chukkapalli , Shravan Chaudhari , Jacopo Cirrone