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Item categorization is a machine learning task which aims at classifying e-commerce items, typically represented by textual attributes, to their most suitable category from a predefined set of categories. An accurate item categorization…

机器学习 · 计算机科学 2021-10-25 Yonatan Hadar , Erez Shmueli

Hiding data using neural networks (i.e., neural steganography) has achieved remarkable success across both discriminative classifiers and generative adversarial networks. However, the potential of data hiding in diffusion models remains…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Haoyu Chen , Yunqiao Yang , Nan Zhong , Kede Ma

This letter proposes a sparse diffusion steepest-descent algorithm for one bit compressed sensing in wireless sensor networks. The approach exploits the diffusion strategy from distributed learning in the one bit compressed sensing…

机器学习 · 统计学 2016-01-05 Hadi Zayyani , Mehdi Korki , Farrokh Marvasti

The paper proposes a novel Kernelized image segmentation scheme for noisy images that utilizes the concept of Smallest Univalue Segment Assimilating Nucleus (SUSAN) and incorporates spatial constraints by computing circular colour map…

计算机视觉与模式识别 · 计算机科学 2016-03-30 Satrajit Mukherjee , Bodhisattwa Prasad Majumder , Aritran Piplai , Swagatam Das

In large-scale wireless acoustic sensor networks (WASNs), many of the sensors will only have a marginal contribution to a certain estimation task. Involving all sensors increases the energy budget unnecessarily and decreases the lifetime of…

声音 · 计算机科学 2017-05-24 Jie Zhang , Sundeep Prabhakar Chepuri , Richard C. Hendriks , Richard Heusdens

High-throughput material screening for the discovery and design of novel functional materials requires automatized analyses of theoretical and experimental data. Here we study the subject of human-free analyses of one-dimensional…

材料科学 · 物理学 2022-01-13 Seong-Heum Park , Hyeong Seon Park , Hyunbok Lee , Heung-Sik Kim

We study a discrete denoising diffusion framework that integrates a sample-efficient estimator of single-site conditionals with round-robin noising and denoising dynamics for generative modeling over discrete state spaces. Rather than…

机器学习 · 计算机科学 2026-03-02 Karthik Elamvazhuthi , Abhijith Jayakumar , Andrey Y. Lokhov

The large variation of datasets is a huge barrier for image classification tasks. In this paper, we embraced this observation and introduce the finite temperature tensor network (FTTN), which imports the thermal perturbation into the matrix…

机器学习 · 计算机科学 2021-04-27 Haoxiang Lin , Shuqian Ye , Xi Zhu

In this work, we propose ENSEI, a secure inference (SI) framework based on the frequency-domain secure convolution (FDSC) protocol for the efficient execution of privacy-preserving visual recognition. Our observation is that, under the…

密码学与安全 · 计算机科学 2021-11-02 Song Bian , Tianchen Wang , Masayuki Hiromoto , Yiyu Shi , Takashi Sato

By leveraging the blur-noise trade-off, imaging with non-uniform exposures largely extends the image acquisition flexibility in harsh environments. However, the limitation of conventional cameras in perceiving intra-frame dynamic…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Mingyuan Lin , Jian Liu , Chi Zhang , Zibo Zhao , Chu He , Lei Yu

For hyperspectral image change detection (HSI-CD), one key challenge is to reduce band redundancy, as only a few bands are crucial for change detection while other bands may be adverse to it. However, most existing HSI-CD methods directly…

图像与视频处理 · 电气工程与系统科学 2023-11-17 Qingren Yao , Yuan Zhou , Chang Tang , Wei Xiang

Video compression aims to maximize reconstruction quality with minimal bitrates. Beyond standard distortion metrics, perceptual quality and temporal consistency are also critical. However, at ultra-low bitrates, traditional end-to-end…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Mingde Zhou , Zheng Chen , Yulun Zhang

We have studied spectral diffusion of the photoluminescence of a single CdSe quantum dot inserted in a ZnSe nanowire. We have measured the characteristic diffusion time as a function of pumping power and temperature using a recently…

介观与纳米尺度物理 · 物理学 2012-09-07 G. Sallen , A. Tribu , T. Aichele , R. André , L. Besombes , C. Bougerol , M. Richard , S. Tatarenko , K. Kheng , J. -Ph. Poizat

The remarkable realism of images generated by diffusion models poses critical detection challenges. Current methods utilize reconstruction error as a discriminative feature, exploiting the observation that real images exhibit higher…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Jie Li , Yingying Feng , Chi Xie , Jie Hu , Lei Tan , Jiayi Ji

In scientific machine learning, the task of identifying partial differential equations accurately from sparse and noisy data poses a significant challenge. Current sparse regression methods may identify inaccurate equations on sparse and…

机器学习 · 计算机科学 2025-04-08 Su Chen , Yi Ding , Hiroe Miyake , Xiaojun Li

Diffusion models have found valuable applications in anomaly detection by capturing the nominal data distribution and identifying anomalies via reconstruction. Despite their merits, they struggle to localize anomalies of varying scales,…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Justin Tebbe , Jawad Tayyub

Most image segmentation algorithms are trained on binary masks formulated as a classification task per pixel. However, in applications such as medical imaging, this "black-and-white" approach is too constraining because the contrast between…

图像与视频处理 · 电气工程与系统科学 2020-11-19 Charley Gros , Andreanne Lemay , Julien Cohen-Adad

Kernel Density Estimation (KDE) is a cornerstone of nonparametric statistics, yet it remains sensitive to bandwidth choice, boundary bias, and computational inefficiency. This study revisits KDE through a principled convolutional framework,…

统计方法学 · 统计学 2025-10-24 Nicholas Tenkorang , Kwesi Appau Ohene-Obeng , Xiaogang Su

The fundamental frequency (F0) represents pitch in speech that determines prosodic characteristics of speech and is needed in various tasks for speech analysis and synthesis. Despite decades of research on this topic, F0 estimation at low…

音频与语音处理 · 电气工程与系统科学 2018-07-03 Akihiro Kato , Tomi Kinnunen

Scientific machine learning has been successfully applied to inverse problems and PDE discovery in computational physics. One caveat concerning current methods is the need for large amounts of ("clean") data, in order to characterize the…

数值分析 · 数学 2021-11-30 Christophe Bonneville , Christopher J. Earls