中文
相关论文

相关论文: Simultaneous multi-region background subtraction f…

200 篇论文

Band gap variations in thin film structures, across grain boundaries, and in embedded nanoparticles are of increasing interest in the materials science community. As many common experimental techniques for measuring band gaps do not have…

材料科学 · 物理学 2018-10-22 Cecilie S. Granerød , Wei Zhan , Øystein Prytz

In this paper, we are concerned with efficiently solving the sequences of regularized linear least squares problems associated with employing Tikhonov-type regularization with regularization operators designed to enforce edge recovery. An…

数值分析 · 数学 2023-06-29 Matthias Bolten , Scott P. MacLachlan , Misha E. Kilmer

In this paper, an efficient and accurate unified approach is proposed to solve transverse magnetic scattering problems by multilayer embedded objects. In the proposed approach, an equivalent current density is derived when the equivalent…

计算工程、金融与科学 · 计算机科学 2020-01-23 Xiaochao Zhou , Zekun Zhu , Shunchuan Yang

In many advanced video based applications background modeling is a pre-processing step to eliminate redundant data, for instance in tracking or video surveillance applications. Over the past years background subtraction is usually based on…

计算机视觉与模式识别 · 计算机科学 2018-07-18 Maryam Sultana , Arif Mahmood , Sajid Javed , Soon Ki Jung

Corneal endothelial cell segmentation plays a vital role inquantifying clinical indicators such as cell density, coefficient of variation,and hexagonality. However, the corneal endothelium's uneven reflectionand the subject's tremor and…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Yinglin Zhang , Risa Higashita , Huazhu Fu , Yanwu Xu , Yang Zhang , Haofeng Liu , Jian Zhang , Jiang Liu

Training implicit neural representations (INRs) to capture fine-scale details typically relies on iterative backpropagation and is often hindered by spectral bias when the target exhibits highly non-uniform frequency content. We propose…

机器学习 · 计算机科学 2026-02-10 Woojin Cho , Junghwan Park

Experiments that pursue detection of signals from the Epoch of Reionization (EoR) are relying on spectral smoothness of source spectra at low frequencies. This article empirically explores the effect of foreground spectra on EoR experiments…

This paper introduces an accurate edge-based smoothed finite element method (ES-FEM) for electromagnetic analysis for both two dimensional cylindrical and three dimensional cartesian systems, which shows much better performance in terms of…

计算工程、金融与科学 · 计算机科学 2019-10-30 Yangfan Zhang , Pengfei Wang , Wenping Li , Shunchuan Yang

We present Deep Region Competition (DRC), an algorithm designed to extract foreground objects from images in a fully unsupervised manner. Foreground extraction can be viewed as a special case of generic image segmentation that focuses on…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Peiyu Yu , Sirui Xie , Xiaojian Ma , Yixin Zhu , Ying Nian Wu , Song-Chun Zhu

The paper presents a new model for single channel images low-level interpretation. The image is decomposed into a graph which captures a complete set of structural features. The description allows to accurately identify every edge location…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Alessandro Dal Palu'

Supervised fine-tuning (SFT) is a crucial step for adapting large language models (LLMs) to downstream tasks. However, conflicting objectives across heterogeneous SFT tasks often induce the "seesaw effect": optimizing for one task may…

计算与语言 · 计算机科学 2026-01-27 Xiaoyu Liu , Xiaoyu Guan , Di Liang , Xianjie Wu

Automatic image segmentation technology is critical to the visual analysis. The autoencoder architecture has satisfying performance in various image segmentation tasks. However, autoencoders based on convolutional neural networks (CNN) seem…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Shiqiang Ma , Xuejian Li , Jijun Tang , Fei Guo

Cutting out an object and estimating its opacity mask, known as image matting, is a key task in many image editing applications. Deep learning approaches have made significant progress by adapting the encoder-decoder architecture of…

计算机视觉与模式识别 · 计算机科学 2020-03-18 Marco Forte , François Pitié

Shadow boundaries can be confused with material boundaries as both exhibit sharp changes in luminance or contrast within a scene. However, shadows do not modify the intrinsic color or texture of surfaces. Therefore, on both sides of shadow…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Shilin Hu , Hieu Le , ShahRukh Athar , Sagnik Das , Dimitris Samaras

We introduce an efficient video segmentation system for resource-limited edge devices leveraging heterogeneous compute. Specifically, we design network models by searching across multiple dimensions of specifications for the neural…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Jamie Menjay Lin , Siargey Pisarchyk , Juhyun Lee , David Tian , Tingbo Hou , Karthik Raveendran , Raman Sarokin , George Sung , Trent Tolley , Matthias Grundmann

Wafer defect segmentation is pivotal for semiconductor yield optimization yet remains challenged by the intrinsic conflict between microscale anomalies and highly periodic, overwhelming background textures. Existing deep learning paradigms…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Zihan Zhang

Fourier ptychography has attracted a wide range of focus for its ability of large space-bandwidth-produce, and quantative phase measurement. It is a typical computational imaging technique which refers to optimizing both the imaging…

图像与视频处理 · 电气工程与系统科学 2022-03-08 Guocheng Zhou , Shaohui Zhang , Yao Hu , Lei Cao , Yong Huang , Qun Hao

By considering the features of the airport runway image filtering, an improved bilateral filtering method was proposed which can remove noise with edge preserving. Firstly the steerable filtering decomposition is used to calculate the…

计算机视觉与模式识别 · 计算机科学 2008-05-16 Zhang Yu , Shi Zhong-ke , Wang Run-quan

The single sideband (SSB) framework of analytical electron ptychography can account for the presence of residual geometrical aberrations induced by the probe-forming lens. However, the accuracy of this aberration correction method is highly…

Edge detection is a fundamental technique in various computer vision tasks. Edges are indeed effectively delineated by pixel discontinuity and can offer reliable structural information even in textureless areas. State-of-the-art heavily…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Leng Kai , Zhang Zhijie , Liu Jie , Zed Boukhers , Sui Wei , Cong Yang , Li Zhijun