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Quantization plays a critical role in digital signal processing systems. Quantizers are typically designed to obtain an accurate digital representation of the input signal, operating independently of the system task, and are commonly…

信息论 · 计算机科学 2019-10-02 Nir Shlezinger , Yonina C. Eldar , Miguel R. D. Rodrigues

Transformer-based architectures have become the de-facto standard models for a wide range of Natural Language Processing tasks. However, their memory footprint and high latency are prohibitive for efficient deployment and inference on…

机器学习 · 计算机科学 2021-09-28 Yelysei Bondarenko , Markus Nagel , Tijmen Blankevoort

We present an effective and efficient approach for low-light image enhancement, named Lookup Table Global Curve Estimation (LUT-GCE). In contrast to existing curve-based methods with pixel-wise adjustment, we propose to estimate a global…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Changguang Wu , Jiangxin Dong , Jinhui Tang

Lookup-table (LUT) based neural networks can deliver ultra-low latency and excellent hardware efficiency on FPGAs by mapping arithmetic operations directly onto the logic primitives. However, state-of-the-art LUT-aware training (LAT)…

硬件体系结构 · 计算机科学 2026-04-27 Chang Sun , Zhiqiang Que , Bakhtiar Zadeh , Qibin Liu , Kevin H. Alvarez , Wayne Luk , Maria Spiropulu

In this work, the problem of signal parameter estimation from measurements acquired by a low-complexity analog-to-digital converter (ADC) with $1$-bit output resolution and an unknown quantization threshold is considered. Single-comparator…

信息论 · 计算机科学 2018-05-09 Manuel S. Stein , Shahar Bar , Josef A. Nossek , Joseph Tabrikian

Advancements in quantum computing underscore the critical need for sophisticated qubit readout techniques to accurately discern quantum states. This abstract presents our research intended for optimizing readout pulse fidelity for 2D and 3D…

Several analog-to-digital conversion methods for bandlimited signals used in applications, such as Sigma Delta quantization schemes, employ coarse quantization coupled with oversampling. The standard mathematical model for the error accrued…

信息论 · 计算机科学 2010-04-21 Felix Krahmer , Rachel Ward

This paper addresses distributed parameter estimation in stochastic dynamic systems with quantized measurements, constrained by quantized communication and Markovian switching directed topologies. To enable accurate recovery of the original…

系统与控制 · 电气工程与系统科学 2025-03-18 Ying Wang , Jian Guo , Yanlong Zhao , Ji-feng Zhang

As the size of large language models (LLMs) continues to grow, model compression without sacrificing accuracy has become a crucial challenge for deployment. While some quantization methods, such as GPTQ, have made progress in achieving…

机器学习 · 计算机科学 2023-12-14 Liang Li , Qingyuan Li , Bo Zhang , Xiangxiang Chu

Quantization is essential for deploying large language models (LLMs) on resource-constrained hardware, but its implications for multilingual tasks remain underexplored. We conduct the first large-scale evaluation of post-training…

计算与语言 · 计算机科学 2025-08-29 Benjamin Marie , Atsushi Fujita

The estimation of the parameters of a dynamic signal, such as a sine wave, based on quantized data is customarily performed using the least-square estimator (LSE), such as the sine fit. However, the characteristics of the experiments and…

信号处理 · 电气工程与系统科学 2018-04-30 Paolo Carbone , Johan Schuokens , Antonio Moschitta

We consider a distributed detection problem within a wireless sensor network (WSN), where a substantial number of sensors cooperate to detect the existence of sparse stochastic signals. To achieve a trade-off between detection performance…

信号处理 · 电气工程与系统科学 2024-11-07 Linlin Mao , Shefeng Yan , Zeping Sui , Hongbin Li

Large Language Models (LLMs) with multimodal capabilities have revolutionized vision-language tasks, but their deployment often requires huge memory and computational resources. While post-training quantization (PTQ) has successfully…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Shubhang Bhatnagar , Andy Xu , Kar-Han Tan , Narendra Ahuja

Quantizers play a critical role in digital signal processing systems. Recent works have shown that the performance of quantization systems acquiring multiple analog signals using scalar analog-to-digital converters (ADCs) can be…

信号处理 · 电气工程与系统科学 2019-08-20 Nir Shlezinger , Yonina C. Eldar

In many applications in compressed sensing, the measurement matrix is a Fourier matrix, i.e., it measures the Fourier transform of the underlying signal at some specified `base' frequencies $\{u_i\}_{i=1}^M$, where $M$ is the number of…

信息论 · 计算机科学 2018-02-09 Eeshan Malhotra , Himanshu Pandotra , Ajit Rajwade , Karthik S. Gurumoorthy

This paper proposes and evaluates a novel architecture for a low-power Time-to-Digital Converter with high resolution, optimized for both integration in multichannel chips and high rate operation (40 Mconversion/s/channel). This converter…

信号处理 · 电气工程与系统科学 2023-06-02 Florent Bouyjou

In massive multiple-input multiple-output (MIMO) systems, the user equipment (UE) needs to feed the channel state information (CSI) back to the base station (BS) for the following beamforming. But the large scale of antennas in massive MIMO…

信息论 · 计算机科学 2022-11-10 Xudong Zhang , Zhilin Lu , Rui Zeng , Jintao Wang

Large Language Models (LLMs) have showcased remarkable impacts across a wide spectrum of natural language processing tasks. Fine-tuning these pretrained models on downstream datasets provides further significant performance gains; however,…

计算与语言 · 计算机科学 2026-03-19 Zhikai Li , Xiaoxuan Liu , Banghua Zhu , Zhen Dong , Qingyi Gu , Kurt Keutzer

While neural networks have advanced the frontiers in many applications, they often come at a high computational cost. Reducing the power and latency of neural network inference is key if we want to integrate modern networks into edge…

Large language models (LLMs) are omnipresent, however their practical deployment is challenging due to their ever increasing computational and memory demands. Quantization is one of the most effective ways to make them more compute and…

机器学习 · 计算机科学 2024-09-04 Yelysei Bondarenko , Riccardo Del Chiaro , Markus Nagel