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In recent years, object detection has achieved significant progress, especially in the field of open-vocabulary object detection. Unlike traditional methods that rely on predefined categories, open-vocabulary approaches can detect arbitrary…

计算机视觉与模式识别 · 计算机科学 2026-05-07 ZhiXin Sun

To advance research in learning-based defogging algorithms, various synthetic fog datasets have been developed. However, existing datasets created using the Atmospheric Scattering Model (ASM) or real-time rendering engines often struggle to…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Yiming Xie , Henglu Wei , Zhenyi Liu , Xiaoyu Wang , Xiangyang Ji

Simulating realistic sensors is a challenging part in data generation for autonomous systems, often involving carefully handcrafted sensor design, scene properties, and physics modeling. To alleviate this, we introduce a pipeline for…

机器人学 · 计算机科学 2022-09-23 Benoit Guillard , Sai Vemprala , Jayesh K. Gupta , Ondrej Miksik , Vibhav Vineet , Pascal Fua , Ashish Kapoor

Gravitational lensing data is frequently collected at low resolution due to instrumental limitations and observing conditions. Machine learning-based super-resolution techniques offer a method to enhance the resolution of these images,…

天体物理仪器与方法 · 物理学 2024-06-13 Pranath Reddy , Michael W Toomey , Hanna Parul , Sergei Gleyzer

Pseudo-supervised learning methods have been shown to be effective for weakly supervised object localization tasks. However, the effectiveness depends on the powerful regularization ability of deep neural networks. Based on the assumption…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Kangbo Sun , Jie Zhu

Most self-supervised learning (SSL) methods often work on curated datasets where the object-centric assumption holds. This assumption breaks down in uncurated images. Existing scene image SSL methods try to find the two views from original…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Ke Zhu , Yin-Yin He , Jianxin Wu

High-fidelity physics simulations are powerful tools in the design and optimization of charged particle accelerators. However, the computational burden of these simulations often limits their use in practice for design optimization and…

加速器物理 · 物理学 2020-04-15 Auralee Edelen , Nicole Neveu , Yannick Huber , Mattias Frey , Christopher Mayes , Andreas Adelmann

Flexible sensors are increasingly employed in soft robotics and wearable devices to provide proprioception of freeform deformations.Although supervised learning can train shape predictors from sensor signals, prediction accuracy strongly…

机器人学 · 计算机科学 2026-03-12 Yingjun Tian , Guoxin Fang , Aoran Lyu , Xilong Wang , Zikang Shi , Yuhu Guo , Weiming Wang , Charlie C. L. Wang

Small object detection in aerial imagery presents significant challenges in computer vision due to the minimal data inherent in small-sized objects and their propensity to be obscured by larger objects and background noise. Traditional…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Tushar Verma , Jyotsna Singh , Yash Bhartari , Rishi Jarwal , Suraj Singh , Shubhkarman Singh

Most existing super-resolution methods do not perform well in real scenarios due to lack of realistic training data and information loss of the model input. To solve the first problem, we propose a new pipeline to generate realistic…

图像与视频处理 · 电气工程与系统科学 2019-05-30 Xiangyu Xu , Yongrui Ma , Wenxiu Sun

We present a reduction pipeline for CCD (charge-coupled device) images which was built to search for variable sources in highly crowded fields like the M31 bulge and to handle extensive databases due to large time series. We describe all…

天体物理学 · 物理学 2007-05-23 Claus A. Goessl , Arno Riffeser

High-dimensional streaming data are becoming increasingly ubiquitous in many fields. They often lie in multiple low-dimensional subspaces, and the manifold structures may change abruptly on the time scale due to pattern shift or occurrence…

机器学习 · 统计学 2022-04-13 Ruiyu Xu , Jianguo Wu , Xiaowei Yue , Yongxiang Li

Autonomous radar has been an integral part of advanced driver assistance systems due to its robustness to adverse weather and various lighting conditions. Conventional automotive radars use digital signal processing (DSP) algorithms to…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Xu Dong , Pengluo Wang , Pengyue Zhang , Langechuan Liu

We introduce a novel framework to track multiple objects in overhead camera videos for airport checkpoint security scenarios where targets correspond to passengers and their baggage items. We propose a Self-Supervised Learning (SSL)…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Abubakar Siddique , Henry Medeiros

The use of single-photon sources (SPSs) is central to numerous systems and devices proposed amidst a modern surge in quantum technology. However, manufacturing schemes remain imperfect, and single-photon emission purity must often be…

Autonomous agents, such as driverless cars, require large amounts of labeled visual data for their training. A viable approach for acquiring such data is training a generative model with collected real data, and then augmenting the…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Moein Sorkhei , Gustav Eje Henter , Hedvig Kjellström

Image steganography is the art of hiding secret message in grayscale or color images. Easy detection of secret message for any state-of-art image steganography can break the stego system. To prevent the breakdown of the stego system data is…

多媒体 · 计算机科学 2022-01-05 Soumendu Chakraborty , Anand Singh Jalal , Charul Bhatnagar

Self-supervised learning (SSL) methods targeting scene images have seen a rapid growth recently, and they mostly rely on either a dedicated dense matching mechanism or a costly unsupervised object discovery module. This paper shows that…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Ke Zhu , Minghao Fu , Jianxin Wu

Structure learning algorithms that learn the graph of a Bayesian network from observational data often do so by assuming the data correctly reflect the true distribution of the variables. However, this assumption does not hold in the…

人工智能 · 计算机科学 2020-11-20 Yang Liu , Anthony C. Constantinou , ZhiGao Guo

This study introduces a novel supervised learning approach for spiking neural networks that does not rely on traditional backpropagation. Instead, it employs spike-timing-dependent plasticity (STDP) within a supervised framework for image…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Wei Xie