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With expeditious development of wireless communications, location fingerprinting (LF) has nurtured considerable indoor location based services (ILBSs) in the field of Internet of Things (IoT). For most pattern-matching based LF solutions,…

信号处理 · 电气工程与系统科学 2020-05-13 Luan Chen , Iness Ahriz , Didier Le Ruyet

A "wireless fingerprint" which exploits hardware imperfections unique to each device is a potentially powerful tool for wireless security. Such a fingerprint should be able to distinguish between devices sending the same message, and should…

信号处理 · 电气工程与系统科学 2019-08-27 Soorya Gopalakrishnan , Metehan Cekic , Upamanyu Madhow

Radio frequency fingerprint identification (RFFI) is a promising device authentication approach by exploiting the unique hardware impairments as device identifiers. Because the hardware features are extracted from the received waveform,…

信号处理 · 电气工程与系统科学 2024-12-12 Lingnan Xie , Linning Peng , Junqing Zhang

Recent advancements in artificial intelligence (AI) have precipitated a paradigm shift in medical imaging, particularly revolutionizing the domain of brain imaging. This paper systematically investigates the integration of deep learning --…

图像与视频处理 · 电气工程与系统科学 2024-10-18 Houze Liu , Bo Zhang , Yanlin Xiang , Yuxiang Hu , Aoran Shen , Yang Lin

X-ray ptychography allows for large fields to be imaged at high resolution at the cost of additional computational expense due to the large volume of data. Given limited information regarding the object, the acquired data often has an…

图像与视频处理 · 电气工程与系统科学 2022-07-01 Dergan Lin , Yi Jiang , Junjing Deng , Zichao Wendy Di

Accurate segmentation of infant brain MRI is critical for studying early neurodevelopment and diagnosing neurological disorders. Yet, it remains a fundamental challenge due to continuously evolving anatomy of the subjects, motion artifacts,…

图像与视频处理 · 电气工程与系统科学 2025-10-13 Alemu Sisay Nigru , Michele Svanera , Austin Dibble , Connor Dalby , Mattia Savardi , Sergio Benini

Top-down instance segmentation framework has shown its superiority in object detection compared to the bottom-up framework. While it is efficient in addressing over-segmentation, top-down instance segmentation suffers from over-crop…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Qilong Zhangli , Jingru Yi , Di Liu , Xiaoxiao He , Zhaoyang Xia , Qi Chang , Ligong Han , Yunhe Gao , Song Wen , Haiming Tang , He Wang , Mu Zhou , Dimitris Metaxas

Models based on convolutional neural networks (CNN) and transformers have steadily been improved. They also have been applied in various computer vision downstream tasks. However, in object detection tasks, accurately localizing and…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Seonwhee Jin

Segmentation of images is a long-standing challenge in medical AI. This is mainly due to the fact that training a neural network to perform image segmentation requires a significant number of pixel-level annotated data, which is often…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Himashi Peiris , Zhaolin Chen , Gary Egan , Mehrtash Harandi

Instance Segmentation, which seeks to obtain both class and instance labels for each pixel in the input image, is a challenging task in computer vision. State-of-the-art algorithms often employ two separate stages, the first one generating…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Jialin Yuan , Chao Chen , Li Fuxin

Purpose Automated detection of region of interest (ROI) is a critical step for many medical image applications such as heart ROIs detection in perfusion MRI images, lung boundary detection in chest X-rays, and femoral head detection in…

图像与视频处理 · 电气工程与系统科学 2021-03-03 Feng-Yu Liu , Chih-Chi Chen , Shann-Ching Chen , Chien-Hung Liao

We propose an approach to reduce both computational complexity and data storage requirements for the online positioning stage of a fingerprinting-based indoor positioning system (FIPS) by introducing segmentation of the region of interest…

机器学习 · 统计学 2017-11-22 Caifa Zhou , Andreas Wieser

Building segmentation is of great importance in the task of remote sensing imagery interpretation. However, the existing semantic segmentation and instance segmentation methods often lead to segmentation masks with blurred boundaries. In…

计算机视觉与模式识别 · 计算机科学 2020-06-09 Qingyu Li , Lichao Mou , Yuansheng Hua , Yao Sun , Pu Jin , Yilei Shi , Xiao Xiang Zhu

The state of the art performance of deep learning models comes at a high cost for companies and institutions, due to the tedious data collection and the heavy processing requirements. Recently, [35, 22] proposed to watermark convolutional…

密码学与安全 · 计算机科学 2021-04-14 Erwan Le Merrer , Patrick Perez , Gilles Trédan

Conventional multi-view re-ranking methods usually perform asymmetrical matching between the region of interest (ROI) in the query image and the whole target image for similarity computation. Due to the inconsistency in the visual…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Jun Li , Chang Xu , Wankou Yang , Changyin Sun , Dacheng Tao , Hong Zhang

Existing instance segmentation techniques are primarily tailored for high-visibility inputs, but their performance significantly deteriorates in extremely low-light environments. In this work, we take a deep look at instance segmentation in…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Linwei Chen , Ying Fu , Kaixuan Wei , Dezhi Zheng , Felix Heide

Detecting the singular point accurately and efficiently is one of the most important tasks for fingerprint recognition. In recent years, deep learning has been gradually used in the fingerprint singular point detection. However, current…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Liaojun Pang , Jiong Chen , Fei Guo , Zhicheng Cao , Heng Zhao

We present an approach for building an active agent that learns to segment its visual observations into individual objects by interacting with its environment in a completely self-supervised manner. The agent uses its current segmentation…

计算机视觉与模式识别 · 计算机科学 2018-06-22 Deepak Pathak , Yide Shentu , Dian Chen , Pulkit Agrawal , Trevor Darrell , Sergey Levine , Jitendra Malik

In this contribution, a semi-automatic segmentation algorithm for (medical) image analysis is presented. More precise, the approach belongs to the category of interactive contouring algorithms, which provide real-time feedback of the…

计算机视觉与模式识别 · 计算机科学 2014-06-10 Jan Egger

Sub-cortical brain structure segmentation in Magnetic Resonance Images (MRI) has attracted the interest of the research community for a long time because morphological changes in these structures are related to different neurodegenerative…

计算机视觉与模式识别 · 计算机科学 2018-11-15 Kaisar Kushibar , Sergi Valverde , Sandra Gonzalez-Villa , Jose Bernal , Mariano Cabezas , Arnau Oliver , Xavier Llado