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Lightweight direct Time-of-Flight (dToF) sensors are ideal for 3D sensing on mobile devices. However, due to the manufacturing constraints of compact devices and the inherent physical principles of imaging, dToF depth maps are sparse and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xuan Zhu , Jijun Xiang , Xianqi Wang , Longliang Liu , Yu Wang , Hong Zhang , Fei Guo , Xin Yang

In Analog-to-digital (A/D) conversion, signal decimation has been proven to greatly improve the efficiency of data storage while maintaining high accuracy. When one couples signal decimation with the $\Sigma\Delta$ quantization scheme, the…

Information Theory · Computer Science 2020-02-06 Kung-Ching Lin

Edge devices are being deployed at increasing volumes to sense and act on information from the physical world. The discrete Fourier transform (DFT) is often necessary to make this sensed data suitable for further processing -- such as by…

Data generated at the network edge can be processed locally by leveraging the paradigm of edge computing (EC). Aided by EC, decentralized federated learning (DFL), which overcomes the single-point-of-failure problem in the parameter server…

Networking and Internet Architecture · Computer Science 2022-12-06 Yunming Liao , Yang Xu , Hongli Xu , Lun Wang , Chen Qian

Inferring the root cause of failures among thousands of components in a data center network is challenging, especially for "gray" failures that are not reported directly by switches. Faults can be localized through end-to-end measurements,…

Networking and Internet Architecture · Computer Science 2023-05-08 Vipul Harsh , Tong Meng , Kapil Agrawal , P. Brighten Godfrey

Visual tracking is one of the most important application areas of computer vision. At present, most algorithms are mainly implemented on PCs, and it is difficult to ensure real-time performance when applied in the real scenario. In order to…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Ke Song , Chun Yuan , Peng Gao , Yunxu Sun

A field programmable gate array (FPGA) based timing and trigger control system has been developed for the Dynamic Compression Sector (DCS) user facility located at the Advanced Photon Source (APS) at Argonne National Laboratory. The DCS is…

Instrumentation and Detectors · Physics 2022-05-04 Shefali Saxena , Daniel R. Paskvan , Nicholas R. Weir , Nicholas Sinclair

The detection of moving infrared dim-small targets has been a challenging and prevalent research topic. The current state-of-the-art methods are mainly based on ConvLSTM to aggregate information from adjacent frames to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Dengyan Luo , Yanping Xiang , Hu Wang , Luping Ji , Shuai Li , Mao Ye

Deep neural networks (DNN) are increasingly being accelerated on application-specific hardware such as the Google TPU designed especially for deep learning. Timing speculation is a promising approach to further increase the energy…

Machine Learning · Computer Science 2018-07-03 Jeff Zhang , Siddharth Garg

High-throughput 2D and 3D scanning electron microscopy, which relies on automation and dependable control algorithms, requires high image quality with minimal human intervention. Classical focus and astigmatism correction algorithms attempt…

Instrumentation and Detectors · Physics 2023-05-10 Philipp Johannes Schubert , Rangoli Saxena , Joergen Kornfeld

Software vulnerability detection can be formulated as a binary classification problem that determines whether a given code snippet contains security defects. Existing multimodal methods typically fuse Natural Code Sequence (NCS)…

Software Engineering · Computer Science 2026-04-24 Yun Bian , Yi Chen , HaiQuan Wang , ShiHao Li , Zhe Cui

Structured pruning and quantization are promising approaches for reducing the inference time and memory footprint of neural networks. However, most existing methods require the original training dataset to fine-tune the model. This not only…

Machine Learning · Computer Science 2023-08-15 Shipeng Bai , Jun Chen , Xintian Shen , Yixuan Qian , Yong Liu

This paper describes a new all-digital technique for calibration of the mismatches in time-interleaved analog-to-digital converters (TIADCs) to reduce the circuit area. The proposed technique gives the first order approximation of the gain…

Signal Processing · Electrical Eng. & Systems 2018-06-26 Jiadong Hu , Zhe Cao , Qi An , Lei Zhao , Shubin Liu

A subspace-based approach for rate-adaptive distributed source coding (DSC) based on discrete Fourier transform (DFT) codes is developed. Punctured DFT codes can be used to implement rate-adaptive source coding, however they perform poorly…

Information Theory · Computer Science 2013-07-01 Mojtaba Vaezi , Fabrice Labeau

Among the areas, most demanding in terms of calculation is the telecommunication and video applications are now included in several telecommunication devices such as set-top boxes, mobile phones. Embedded videos applications in new…

Multimedia · Computer Science 2011-06-21 Lamjed Touil , Abdessalem Ben Abdelali , Abdellatif Mtibaa , Elbey Bourennane

Compared with traditional model-based fault detection and classification (FDC) methods, deep neural networks (DNN) prove to be effective for the aerospace sensors FDC problems. However, time being consumed in training the DNN is excessive,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Zhongzhi Li , Yunmei Zhao , Jinyi Ma , Jianliang Ai , Yiqun Dong

We propose a hardware-efficient RBD accelerator based on FPGA, introducing three key innovations. First, we propose a precision-aware quantization framework that reduces DSP demand while preserving motion accuracy. This is also the first…

Hardware Architecture · Computer Science 2025-11-25 Xingyu Liu , Jiawei Liang , Yipu Zhang , Linfeng Du , Chaofang Ma , Hui Yu , Jiang Xu , Wei Zhang

In recent years, the fervent demand for computational power across various domains has prompted hardware manufacturers to introduce specialized computing hardware aimed at enhancing computational capabilities. Particularly, the utilization…

Numerical Analysis · Mathematics 2024-03-12 Hongyaoxing Gu

Fast and efficient identify a large number of RFID tags in the region of interest is a critical issue in various RFID applications. In this paper, a novel sub-frame-based algorithm with a time-efficient frame size adjustment strategy to…

Networking and Internet Architecture · Computer Science 2018-05-10 Jian Su , Kexiong Liu , Haipeng Chen , Yu Han

Deep learning and signal processing are closely correlated in many IoT scenarios such as anomaly detection to empower intelligence of things. Many IoT processors utilize digital signal processors (DSPs) for signal processing and build deep…

Hardware Architecture · Computer Science 2024-07-18 Fangfa Fu , Wenyu Zhang , Zesong Jiang , Zhiyu Zhu , Guoyu Li , Bing Yang , Cheng Liu , Liyi Xiao , Jinxiang Wang , Huawei Li , Xiaowei Li