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OMD and its variants give a flexible framework for OCO where the performance depends crucially on the choice of the mirror map. While the geometries underlying OPGD and OEG, both special cases of OMD, are well understood, it remains a…

最优化与控制 · 数学 2026-02-16 Swati Gupta , Jai Moondra , Mohit Singh

Today's state-of-the-art machine vision models are vulnerable to image corruptions like blurring or compression artefacts, limiting their performance in many real-world applications. We here argue that popular benchmarks to measure model…

机器学习 · 计算机科学 2020-10-26 Steffen Schneider , Evgenia Rusak , Luisa Eck , Oliver Bringmann , Wieland Brendel , Matthias Bethge

Optical flow estimation is extensively used in autonomous driving and video editing. While existing models demonstrate state-of-the-art performance across various benchmarks, the robustness of these methods has been infrequently…

图像与视频处理 · 电气工程与系统科学 2024-11-25 Zhonghua Yi , Hao Shi , Qi Jiang , Yao Gao , Ze Wang , Yufan Zhang , Kailun Yang , Kaiwei Wang

Online mirror descent (OMD) and dual averaging (DA) -- two fundamental algorithms for online convex optimization -- are known to have very similar (and sometimes identical) performance guarantees when used with a fixed learning rate. Under…

机器学习 · 计算机科学 2021-09-07 Huang Fang , Nicholas J. A. Harvey , Victor S. Portella , Michael P. Friedlander

The Area Under the Curve (AUC) is an important performance metric for classification tasks, particularly in class-imbalanced scenarios. However, minimizing the AUC presents significant challenges due to the non-convex and discontinuous…

机器学习 · 计算机科学 2025-10-27 JunRu Luo , Difei Cheng , Bo Zhang

Analog In-Memory Compute (AIMC) can improve the energy efficiency of Deep Learning by orders of magnitude. Yet analog-domain device and circuit non-idealities -- within the analog ``Tiles'' performing Matrix-Vector Multiply (MVM) operations…

Incoherent photonic neural networks (PNNs) provide a robust platform for analog optical computing, yet efficient implementation of native signed operations remains challenging. Existing incoherent PNNs approaches often require additional…

光学 · 物理学 2026-05-21 Yuan Ren , Yong Zheng , Ruixue Liu , Yunpeng Song , Qinfen Huang , Min Wang , Ya Cheng

Optical coherence tomography (OCT) has stimulated a wide range of medical image-based diagnosis and treatment in fields such as cardiology and ophthalmology. Such applications can be further facilitated by deep learning-based…

医学物理 · 物理学 2023-07-24 Xueshen Li , Zhenxing Dong , Hongshan Liu , Jennifer J. Kang-Mieler , Yuye Ling , Yu Gan

Automatic optical inspection (AOI) plays a pivotal role in the manufacturing process, predominantly leveraging high-resolution imaging instruments for scanning purposes. It detects anomalies by analyzing image textures or patterns, making…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Chih-Chung Hsu , Chia-Ming Lee , Chun-Hung Sun , Kuang-Ming Wu

Mean Average Precision (mAP) is the primary evaluation measure for object detection. Although object detection has a broad range of applications, mAP evaluates detectors in terms of the performance of ranked instance retrieval. Such the…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Mayu Otani , Riku Togashi , Yuta Nakashima , Esa Rahtu , Janne Heikkilä , Shin'ichi Satoh

Optical computing chips have emerged as a transformative computing technology due to their high computational density, low energy consumption, and compact footprint. While real- and complex-valued computing chips have been well developed,…

光学 · 物理学 2026-01-06 Songyue Liu , Qi Lu , Yuan Zhong , Yuru Li , Meng Xiang , Zhaohui Li , Chao Lu , Yikai Su , Lu Sun

Ising machines are purported to be better at solving large-scale combinatorial optimisation problems better than conventional von Neumann computers. However, these Ising machines are widely believed to be heuristics, whose promise is…

量子物理 · 物理学 2023-12-08 Sayantan Pramanik , Sourav Chatterjee , Harshkumar Oza

Optical computing offers ultrafast, energy-efficient alternatives to conventional digital processors, yet most implementations remain confined to single-channel processing, severely underutilizing light's information capacity. Here we…

光学 · 物理学 2026-01-13 Fatma Nur Kılınç , Uğur Teğin

We consider Online Convex Optimization (OCO) in the setting where the costs are $m$-strongly convex and the online learner pays a switching cost for changing decisions between rounds. We show that the recently proposed Online Balanced…

机器学习 · 计算机科学 2019-04-05 Gautam Goel , Adam Wierman

We calculate the error threshold for the linear optics quantum computing proposal by Knill, Laflamme and Milburn [Nature 409, pp. 46--52 (2001)] under an error model where photon detectors have efficiency <100% but all other components --…

量子物理 · 物理学 2023-11-27 Marcus Silva , Martin Roetteler , Christof Zalka

Optical coherence tomography angiography (OCTA) requires high transverse sampling density for visualizing retinal and choroidal capillaries. Low transverse sampling causes resolution degradation, such as the angiograms in wide-field OCTA.…

图像与视频处理 · 电气工程与系统科学 2020-01-09 Ting Zhou , Kang Zhou , Jianlong Yang , Liyang Fang , Yan Hu , Yitian Zhao , Jun Cheng , Xiangping Chen , Shenghua Gao , Jiang Liu

Visual retrieval systems face significant challenges when updating models with improved representations due to misalignment between the old and new representations. The costly and resource-intensive backfilling process involves…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Simone Ricci , Niccolò Biondi , Federico Pernici , Alberto Del Bimbo

We consider the online convex optimization (OCO) problem with quadratic and linear switching cost in the limited information setting, where an online algorithm can choose its action using only gradient information about the previous…

机器学习 · 计算机科学 2023-10-19 Spandan Senapati , Rahul Vaze

Analog in-memory computing (AIMC) accelerators enable efficient deep neural network computation directly within memory using resistive crossbar arrays, where model parameters are represented by the conductance states of memristive devices.…

机器学习 · 计算机科学 2025-10-06 Jindan Li , Zhaoxian Wu , Gaowen Liu , Tayfun Gokmen , Tianyi Chen

We present a new approach to fault tolerance for High Performance Computing system. Our approach is based on a careful adaptation of the Algorithmic Based Fault Tolerance technique (Huang and Abraham, 1984) to the need of parallel…

分布式、并行与集群计算 · 计算机科学 2008-06-20 George Bosilca , Remi Delmas , Jack Dongarra , Julien Langou