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相关论文: Dipole Vectors in Images Processing

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This paper presents a method to differentiate the foreground objects from the background of a color image. Firstly a color image of any size is input for processing. The algorithm converts it to a grayscale image. Next we apply canny edge…

计算机视觉与模式识别 · 计算机科学 2015-06-30 Subhajit Adhikari , Joydeep Kar , Jayati Ghosh Dastidar

In this paper, we present a telegraph diffusion model with variable exponents for image despeckling. Moving beyond the traditional assumption of a constant exponent in the telegraph diffusion framework, we explore three distinct variable…

偏微分方程分析 · 数学 2024-11-14 Sudeb Majee , Åke Brännström , Niklas L. P. Lundström

Digital images nowadays have various styles of appearance, in the aspects of color tones, contrast, vignetting, and etc. These 'picture styles' are directly related to the scene radiance, image pipeline of the camera, and post processing…

计算机视觉与模式识别 · 计算机科学 2014-05-30 Zhenyu Guo , Z. Jane Wang

Image recognition using Deep Learning has been evolved for decades though advances in the field through different settings is still a challenge. In this paper, we present our findings in searching for better image classifiers in offline and…

机器学习 · 计算机科学 2019-03-19 Nguyen Huu Phong , Bernardete Ribeiro

Diffusion models have shown significant progress in image translation tasks recently. However, due to their stochastic nature, there's often a trade-off between style transformation and content preservation. Current strategies aim to…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Gihyun Kwon , Jong Chul Ye

We introduce a deterministic approach to edge detection and image segmentation by formulating pseudo-Boolean polynomials on image patches. The approach works by applying a binary classification of blob and edge regions in an image based on…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Tendai Mapungwana Chikake , Boris Goldengorin , Alexey Samosyuk

This work proposes the combination of multiscale transform with fractal descriptors employed in the classification of gray-level texture images. We apply the space-scale transform (derivative + Gaussian filter) over the Bouligand-Minkowski…

计算机视觉与模式识别 · 计算机科学 2013-04-08 João Batista Florindo , Odemir Martinez Bruno

An important tool for experimental fluids mechanics research is Particle Image Velocimetry (PIV). Several robust methodologies have been proposed to perform the estimation of velocity field from the images, however, alternative methods are…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Efraín Magaña , Francisco Sahli Costabal , Wernher Brevis

Nonuniformities in the imaging characteristics of modern image sensors are a primary factor in the push to develop a pixel-level generalization of the photon transfer characterization method. In this paper, we seek to develop a body of…

统计理论 · 数学 2021-06-30 Aaron Hendrickson

Infinitesimal electric and magnetic dipoles are widely used as an equivalent radiating source model. In this paper, an improved method for dipole extraction from magnitude-only electromagnetic-field data based on genetic algorithm and…

信号处理 · 电气工程与系统科学 2019-01-23 Chunyu Wu , Ze Sun , Xu Wang , Yansheng Wang , Ben Kim , Jun Fan

Conventional photocells suffer a fundamental efficiency threshold imposed by the principle of detailed balance, reflecting the fact that good absorbers must necessarily also be fast emitters. This limitation can be overcome by `parking' the…

量子物理 · 物理学 2016-11-15 Amir Fruchtman , Rafael Gómez-Bombarelli , Brendon W. Lovett , Erik M. Gauger

Particle Image Velocimetry (PIV) is a method to visualize the flows and quantitatively map the flows. It is used to obtain the instantaneous velocity, vorticity, divergence, shear in fluids, etc. Laser Doppler velocimetry and hot wire…

图像与视频处理 · 电气工程与系统科学 2020-04-23 S. Anand , R. Poovitha , K. Nikhila

A novel method to convert color/multi-spectral images to gray-level images is introduced to increase the performance of document binarization methods. The method uses the distribution of the pixel data of the input document image in a color…

计算机视觉与模式识别 · 计算机科学 2013-06-27 Reza Farrahi Moghaddam , Shaohua Chen , Rachid Hedjam , Mohamed Cheriet

This work begins by establishing a mathematical formalization between different geometrical interpretations of Neural Networks, providing a first contribution. From this starting point, a new interpretation is explored, using the idea of…

机器学习 · 计算机科学 2019-05-20 Daniel Vieira , Joao Paixao

In this note, we provide a important considerations of a familiar topic: the gradient of a vector field. The gradient of a vector field is a common quantity represented in continuum mechanics. However, even for Cartesian coordinate systems,…

数学物理 · 物理学 2022-08-17 Brian D. Wood , Peeter Joot , Stephen Whitaker

Diffusion models, as a novel generative paradigm, have achieved remarkable success in various image generation tasks such as image inpainting, image-to-text translation, and video generation. Graph generation is a crucial computational task…

机器学习 · 计算机科学 2023-08-29 Chengyi Liu , Wenqi Fan , Yunqing Liu , Jiatong Li , Hang Li , Hui Liu , Jiliang Tang , Qing Li

As an important subtopic of image enhancement, color transfer aims to enhance the color scheme of a source image according to a reference one while preserving the semantic context. To implement color transfer, the palette-based color…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Chenlei Lv , Dan Zhang

The ray-based 4D light field representation cannot be directly used to analyze diffractive or phase--sensitive optical elements. In this paper, we exploit tools from wave optics and extend the light field representation via a novel "light…

计算机视觉与模式识别 · 计算机科学 2009-07-10 Se Baek Oh , George Barbastathis , Ramesh Raskar

Taming diffusion models for generative segmentation has attracted increasing attention. While existing approaches primarily focus on architectural tweaks or training heuristics, there remains a limited understanding of the intrinsic…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Chaoyang Wang , Yaobo Liang , Boci Peng , Fan Duan , Jingdong Wang , Yunhai Tong

Screening mechanisms for a three-form field around a dense source such as the Sun are investigated. Working with the dual vector, we can obtain a thin-shell where field interactions are short range. The field outside the source adopts the…

广义相对论与量子宇宙学 · 物理学 2017-10-11 Tiago Barreiro , Ugo Bertello , Nelson J. Nunes