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Vector Quantization (VQ) has emerged as a prominent weight compression technique, showcasing substantially lower quantization errors than uniform quantization across diverse models, particularly in extreme compression scenarios. However,…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Shuaiting Li , Juncan Deng , Chenxuan Wang , Kedong Xu , Rongtao Deng , Hong Gu , Haibin Shen , Kejie Huang

Although numerous solutions have been proposed for image super-resolution, they are usually incompatible with low-power devices with many computational and memory constraints. In this paper, we address this problem by proposing a simple yet…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Long Sun , Jiangxin Dong , Jinhui Tang , Jinshan Pan

Quality control (QC) has long been considered essential to guarantee the reliability of neuroimaging studies. It is particularly important for fetal brain MRI, where large and unpredictable fetal motion can lead to substantial artifacts in…

图像与视频处理 · 电气工程与系统科学 2023-11-09 Thomas Sanchez , Oscar Esteban , Yvan Gomez , Elisenda Eixarch , Meritxell Bach Cuadra

Feature coding for machines (FCM) is a lossy compression paradigm for split-inference. The transmitter encodes the outputs of the first part of a neural network before sending them to the receiver for completing the inference. Practical FCM…

图像与视频处理 · 电气工程与系统科学 2026-01-30 Samuel Fernández-Menduiña , Hyomin Choi , Fabien Racapé , Eduardo Pavez , Antonio Ortega

Time series classification holds broad application value in communications, information countermeasures, finance, and medicine. However, state-of-the-art (SOTA) methods-including HIVE-COTE, Proximity Forest, and TS-CHIEF-exhibit high…

机器学习 · 计算机科学 2025-11-04 Wang Hao , Kuang Zhang , Hou Chengyu , Yuan Zhonghao , Tan Chenxing , Fu Weifeng , Zhu Yangying

Intelligent task-oriented semantic communications~(SemComs) have witnessed great progress with the development of deep learning~(DL), where multi-task SemComs that perform multiple tasks simultaneously attach great importance due to its…

信号处理 · 电气工程与系统科学 2025-09-12 Jiangjing Hu , Fengyu Wang , Wenjun Xu , Hui Gao , Ping Zhang

Simulating molecular systems on quantum computers requires efficient mappings from Fermionic operators to qubit operators. Traditional mappings such as Jordan-Wigner or Bravyi-Kitaev often produce high-weight Pauli terms, increasing circuit…

量子物理 · 物理学 2025-11-13 James Brown , Tarini S Hardikar , Kenny Heitritter , Kanav Setia

The field of image generation is currently bifurcated into autoregressive (AR) models operating on discrete tokens and diffusion models utilizing continuous latents. This divide, rooted in the distinction between VQ-VAEs and VAEs, hinders…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Bin Lin , Zongjian Li , Yuwei Niu , Kaixiong Gong , Yunyang Ge , Yunlong Lin , Mingzhe Zheng , JianWei Zhang , Miles Yang , Zhao Zhong , Liefeng Bo , Li Yuan

Data-Free Quantization (DFQ) enables the quantization of Vision Transformers (ViTs) without requiring access to data, allowing for the deployment of ViTs on devices with limited resources. In DFQ, the quantization model must be calibrated…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Yujia Tong , Jingling Yuan , Tian Zhang , Jianquan Liu , Chuang Hu

Magnetic resonance fingerprinting (MRF) provides a unique concept for simultaneous and fast acquisition of multiple quantitative MR parameters. Despite acquisition efficiency, adoption of MRF into the clinics is hindered by its dictionary…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Fabian Balsiger , Alain Jungo , Olivier Scheidegger , Pierre G. Carlier , Mauricio Reyes , Benjamin Marty

Shielding sensitive scientific and medical devices from the magnetic field environment is one of the promising applications of superconductors. Magnetic field concentration by superconducting magnetic lenses is the opposite phenomenon…

计算物理 · 物理学 2018-08-01 Leonid Prigozhin , Vladimir Sokolovsky

Quantum error correction, which utilizes logical qubits that are encoded as redundant multiple physical qubits to find and correct errors in physical qubits, is indispensable for practical quantum computing. Surface code is considered to be…

机器学习 · 计算机科学 2025-09-15 Hoshitaro Ohnishi , Hideo Mukai

A new code, named MAP, is written in Fortran language for magnetohydrodynamics (MHD) calculation with the adaptive mesh refinement (AMR) and Message Passing Interface (MPI) parallelization. There are several optional numerical schemes for…

天体物理仪器与方法 · 物理学 2012-04-27 R. L. Jiang , C. Fang , P. F. Chen

Spin fluctuations (SF) and SF-mediated superconductivity (SC) in quasi-two-dimensional metals around the antiferrromagnetic (AF) quantum critical point (QCP) are investigated by using the self-consistent renormalization theory for SF and…

强关联电子 · 物理学 2009-11-13 Hisashi Kondo , Toru Moriya

An accurate measurement of magnetic field is very important for understanding the formation and evolution of solar magnetic fields. Currently there are two types of solar magnetic field measurement instruments: the filter-based…

太阳与恒星天体物理 · 物理学 2023-10-10 Mei Zhang , Haocheng Zhang , Chengqing Jiang

With the rising popularity of intelligent mobile devices, it is of great practical significance to develop accurate, realtime and energy-efficient image Super-Resolution (SR) inference methods. A prevailing method for improving the…

图像与视频处理 · 电气工程与系统科学 2021-04-20 Hu Wang , Peng Chen , Bohan Zhuang , Chunhua Shen

We propose fast, exact and efficient algorithms for the convolution of two arbitrary functions on the sphere which speed up computations by a factor \order{\sqrt{N}} compared to present methods where $N$ is the number of pixels. No…

天体物理学 · 物理学 2009-10-31 Benjamin D. Wandelt , Krzysztof M. Gorski

Atomic magnetometers (AMs) offer many advantages over superconducting quantum interference devices (SQUIDs) due to, among other things, having comparable sensitivity while not requiring cryogenics. One of the major limitations of AMs is the…

仪器与探测器 · 物理学 2019-09-04 I. A. Sulai , Z. J. DeLand , M. D. Bulatowicz , C. P. Wahl , R. T. Wakai , T. G. Walker

We examine the collective behavior of two-dimensional nonlinear superconducting metamaterials using a non-contact spatially resolved imaging technique. The metamaterial is made up of sub-wavelength nonlinear oscillators in a strongly…

Fault-tolerant quantum computing will require error rates far below those achievable with physical qubits. Quantum error correction (QEC) bridges this gap, but depends on decoders being simultaneously fast, accurate, and scalable. This…