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Performance measures are an important tool for assessing and comparing different medical image segmentation algorithms. Unfortunately, the current measures have their weaknesses when it comes to assessing certain edge cases. These…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Dennis Hartmann , Verena Schmid , Philip Meyer , Iñaki Soto-Rey , Dominik Müller , Frank Kramer

We present a novel approach to implement compressive sensing in laser scanning microscopes (LSM), specifically in image scanning microscopy (ISM), using a single-photon avalanche diode (SPAD) array detector. Our method addresses two…

图像与视频处理 · 电气工程与系统科学 2023-07-20 Ajay Gunalan , Marco Castello , Simonluca Piazza , Shunlei Li , Alberto Diaspro , Leonardo S. Mattos , Paolo Bianchini

Automated nodule segmentation is essential for computer-assisted diagnosis in ultrasound images. Nevertheless, most existing methods depend on precise pixel-level annotations by medical professionals, a process that is both costly and…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Xingyue Zhao , Peiqi Li , Xiangde Luo , Meng Yang , Shi Chang , Zhongyu Li

Spectrum sensing is a fundamental component in cognitive radio. A major challenge in this area is the requirement of a high sampling rate in the sensing of a wideband signal. In this paper a wideband spectrum sensing model is presented that…

信息论 · 计算机科学 2010-10-12 Moslem Rashidi , Kasra Haghighi , Arash Owrang , Mats Viberg

A novel multi-resolution cluster detection (MCD) method is proposed to identify irregularly shaped clusters in space. Multi-scale test statistic on a single cell is derived based on likelihood ratio statistic for Bernoulli sequence, Poisson…

统计方法学 · 统计学 2012-05-11 Lingsong Zhang , Zhengyuan Zhu

Weakly Supervised Object Localization (WSOL), which aims to localize objects by only using image-level labels, has attracted much attention because of its low annotation cost in real applications. Recent studies leverage the advantage of…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Haotian Bai , Ruimao Zhang , Jiong Wang , Xiang Wan

Automatic medical image segmentation is a fundamental step in computer-aided diagnosis, yet fully supervised approaches demand extensive pixel-level annotations that are costly and time-consuming. To alleviate this burden, we propose a…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Lei Shi , Gang Li , Junxing Zhang

Few-shot object detection~(FSOD), which aims to detect novel objects with limited annotated instances, has made significant progress in recent years. However, existing methods still suffer from biased representations, especially for novel…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Zheng Wang , Yingjie Gao , Qingjie Liu , Yunhong Wang

Most weakly supervised semantic segmentation (WSSS) methods follow the pipeline that generates pseudo-masks initially and trains the segmentation model with the pseudo-masks in fully supervised manner after. However, we find some matters…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Yi Li , Zhanghui Kuang , Liyang Liu , Yimin Chen , Wayne Zhang

The existing barely-supervised medical image segmentation (BSS) methods, adopting a registration-segmentation paradigm, aim to learn from data with very few annotations to mitigate the extreme label scarcity problem. However, this paradigm…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Junming Su , Zhiqiang Shen , Peng Cao , Jinzhu Yang , Osmar R. Zaiane

This paper introduces an unsupervised technique to detect the changed region of multitemporal images on a same reference plane with the help of rough clustering. The proposed technique is a soft-computing approach, based on the concept of…

计算机视觉与模式识别 · 计算机科学 2014-04-25 Chandranath Adak

In many applications, training machine learning models involves using large amounts of human-annotated data. Obtaining precise labels for the data is expensive. Instead, training with weak supervision provides a low-cost alternative. We…

机器学习 · 计算机科学 2022-02-09 Chidubem Arachie , Bert Huang

Despite the tremendous success of deep neural networks in medical image segmentation, they typically require a large amount of costly, expert-level annotated data. Few-shot segmentation approaches address this issue by learning to transfer…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Qinji Yu , Kang Dang , Nima Tajbakhsh , Demetri Terzopoulos , Xiaowei Ding

Data-driven soft sensors have been widely applied in complex industrial processes. However, the interpretable spatio-temporal features extraction by soft sensors remains a challenge. In this light, this work introduces a novel method termed…

系统与控制 · 电气工程与系统科学 2025-11-04 Qianchao Wang , Peng Sha , Leena Heistrene , Yuxuan Ding , Yaping Du

Motivated by a range of applications in engineering and genomics, we consider in this paper detection of very short signal segments in three settings: signals with known shape, arbitrary signals, and smooth signals. Optimal rates of…

机器学习 · 统计学 2014-07-11 T. Tony Cai , Ming Yuan

Compressive sensing is a new technology for modern computational imaging systems. In comparison to widespread conventional image sensing, the compressive imaging paradigm requires specific forensic analysis techniques and tools. In this…

计算机视觉与模式识别 · 计算机科学 2018-11-09 Ali Taimori , Farokh Marvasti

We propose a computationally and statistically efficient procedure for segmenting univariate data under piecewise linearity. The proposed moving sum (MOSUM) methodology detects multiple change points where the underlying signal undergoes…

统计方法学 · 统计学 2023-08-25 Joonpyo Kim , Hee-Seok Oh , Haeran Cho

Support estimation (SE) of a sparse signal refers to finding the location indices of the non-zero elements in a sparse representation. Most of the traditional approaches dealing with SE problem are iterative algorithms based on greedy…

信号处理 · 电气工程与系统科学 2026-05-06 Mehmet Yamac , Mete Ahishali , Serkan Kiranyaz , Moncef Gabbouj

Weakly supervised visual recognition using inexact supervision is a critical yet challenging learning problem. It significantly reduces human labeling costs and traditionally relies on multi-instance learning and pseudo-labeling. This paper…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Lianghui Zhu , Junwei Zhou , Yan Liu , Xin Hao , Wenyu Liu , Xinggang Wang

Penalized likelihood models are widely used to simultaneously select variables and estimate model parameters. However, the existence of weak signals can lead to inaccurate variable selection, biased parameter estimation, and invalid…

统计方法学 · 统计学 2022-12-13 Yuexia Zhang , Peibei Shi , Zhongyi Zhu , Linbo Wang , Annie Qu