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Uniform-precision neural network quantization has gained popularity since it simplifies densely packed arithmetic unit for high computing capability. However, it ignores heterogeneous sensitivity to the impact of quantization errors across…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Seongmin Park , Beomseok Kwon , Jieun Lim , Kyuyoung Sim , Tae-Ho Kim , Jungwook Choi

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

Fluid antenna systems (FAS) offer remarkable spatial flexibility but face significant challenges in acquiring high-resolution channel state information (CSI), leading to considerable overhead. To address this issue, we propose CANet, a…

信号处理 · 电气工程与系统科学 2026-01-28 Yanliang Jin , Runze Yu , Yuan Gao , Shengli Liu , Xiaoli Chu , Kai-Kit Wong , Chan-Byoung Chae

We examine the performance profile of Convolutional Neural Network training on the current generation of NVIDIA Graphics Processing Units. We introduce two new Fast Fourier Transform convolution implementations: one based on NVIDIA's cuFFT…

机器学习 · 计算机科学 2015-04-14 Nicolas Vasilache , Jeff Johnson , Michael Mathieu , Soumith Chintala , Serkan Piantino , Yann LeCun

Affine Frequency Division Multiplexing (AFDM) has attracted considerable attention for its robustness to Doppler effects. However, its high receiver-side computational complexity remains a major barrier to practical deployment. To address…

信号处理 · 电气工程与系统科学 2025-08-19 Shuntian Tang , Zesong Fei , Xinyi Wang , Dongkai Zhou , Zhiqiang Wei , Christos Masouros

Recent studies show that self-attentions behave like low-pass filters (as opposed to convolutions) and enhancing their high-pass filtering capability improves model performance. Contrary to this idea, we investigate existing…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Guhnoo Yun , Juhan Yoo , Kijung Kim , Jeongho Lee , Dong Hwan Kim

Speaker recognition using i-vector has been replaced by speaker recognition using deep learning. Speaker recognition based on Convolutional Neural Networks (CNNs) has been widely used in recent years, which learn low-level speech…

音频与语音处理 · 电气工程与系统科学 2022-06-22 Wencheng Li , Zhenhua Tan , Jingyu Ning , Zhenche Xia , Danke Wu

Deep neural networks (DNNs) can be made hardware-efficient by reducing the numerical precision of the weights and activations of the network and by improving the network's resilience to noise. However, this gain in efficiency often comes at…

Deep learning (DL) based methods for orthogonal frequency division multiplexing (OFDM) radio receivers demonstrated higher signal detection performance compared to the traditional receivers. However, the existing DL-based models, usually…

信息论 · 计算机科学 2025-10-15 Mohanad Obeed , Ming Jian

Fourier-based wavefront sensors, such as the Pyramid Wavefront Sensor (PWFS), are the current preference for high contrast imaging due to their high sensitivity. However, these wavefront sensors have intrinsic nonlinearities that constrain…

天体物理仪器与方法 · 物理学 2020-05-22 Rico Landman , Sebastiaan Haffert

Recent state-of-the-art performance on human-body pose estimation has been achieved with Deep Convolutional Networks (ConvNets). Traditional ConvNet architectures include pooling and sub-sampling layers which reduce computational…

计算机视觉与模式识别 · 计算机科学 2015-06-10 Jonathan Tompson , Ross Goroshin , Arjun Jain , Yann LeCun , Christopher Bregler

Convolutional Networks (ConvNets) have recently improved image recognition performance thanks to end-to-end learning of deep feed-forward models from raw pixels. Deep learning is a marked departure from the previous state of the art, the…

计算机视觉与模式识别 · 计算机科学 2015-07-24 Albert Gordo , Adrien Gaidon , Florent Perronnin

Building change detection remains challenging for urban development, disaster assessment, and military reconnaissance. While foundation models like Segment Anything Model (SAM) show strong segmentation capabilities, SAM is limited in the…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Yun-Cheng Li , Sen Lei , Yi-Tao Zhao , Heng-Chao Li , Jun Li , Antonio Plaza

Fourier ptychography is a recently explored imaging method for overcoming the diffraction limit of conventional cameras with applications in microscopy and yielding high-resolution images. In order to splice together low-resolution images…

图像与视频处理 · 电气工程与系统科学 2020-03-18 Yican Chen , Zhi Luo , Xia Wu , Huidong Yang , Bo Huang

Convolutional neural networks (ConvNets) with large effective receptive field (ERF), still in their early stages, have demonstrated promising effectiveness while constrained by high parameters and FLOPs costs and disrupted asymptotically…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Yuhao Wang , Wei Xi

We report FPGA implementation results of low precision CNN convolution layers optimized for sparse and constant parameters. We describe techniques that amortizes the cost of common factor multiplication and automatically leverage dense hand…

分布式、并行与集群计算 · 计算机科学 2019-01-16 Thiam Khean Hah , Yeong Tat Liew , Jason Ong

In this paper, we propose a new downlink beamforming strategy for mmWave communications using uplink sub-6GHz channel information and a very few mmWave pilots. Specifically, we design a novel dual-input neural network, called FusionNet, to…

信号处理 · 电气工程与系统科学 2020-09-08 Chenghong Bian , Yuwen Yang , Feifei Gao , Geoffrey Ye Li

We study system architectures for the coexistence of future coherent PON and DWDM networks. Considering deployed optical filters, we observe filtering penalties < 1dB at a laser frequency accuracy < 12GHz when using a cost-effective…

信号处理 · 电气工程与系统科学 2024-12-23 Gabriele Di Rosa , Martin Kuipers , Jim Zou , Ognjen Jovanovic , Jörg-Peter Elbers

Cyber-security for 5G networks is drawing notable attention due to an increase in complex jamming attacks that could target the critical 5G Radio Frequency (RF) domain. These attacks pose a significant risk to heterogeneous network (HetNet)…

密码学与安全 · 计算机科学 2025-09-30 Samhita Kuili , Mohammadreza Amini , Burak Kantarci

This study proposes a fully convolutional network (FCN) model for raw waveform-based speech enhancement. The proposed system performs speech enhancement in an end-to-end (i.e., waveform-in and waveform-out) manner, which dif-fers from most…

机器学习 · 统计学 2017-06-16 Szu-Wei Fu , Yu Tsao , Xugang Lu , Hisashi Kawai