Enclosed Laplacian Operator of Nonlinear Anisotropic Diffusion to Preserve Singularities and Delete Isolated Points in Image Smoothing
نویسندگان
چکیده
1 Key Laboratory of Land Resources Evaluation andMonitoring in Southwest (Sichuan Normal University), Ministry of Education, Chengdu 610066, China 2 School of Computer Science, Sichuan Normal University, Chengdu 610066, China 3 School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China 4 Institute of Medical Information and Technology, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
منابع مشابه
PAIRED ANISOTROPIC DISTRIBUTION FOR IMAGE SELECTIVE SMOOTHING
In this paper, we present a novel approach for image selective smoothing by the evolution of two paired nonlinear partial differential equations. The distribution coefficient in de-noising equation controls the speed of distribution, and is determined by the edge-strength function. In the previous works, the edge-strength function depends on isotropic smoothing of the image...
متن کاملA Numerical Method for Preserving Curve Edges in Nonlinear Anisotropic Smoothing
We focus on nonlinearity for images and propose a new method which can preserve curve edges in image smoothing using nonlinear anisotropic diffusion NAD . Unlike existing methods which diffuse only among the spatial variants, the new method suggests that the diffusion should be performed both among the time variants and spatial variants, named time and space nonlinear anisotropic diffusion TSNA...
متن کاملImage Denoising Using Anisotropic Diffusion Equations on Reflection and illumination Components of Image
This paper proposes a new hybrid method based on Homomorphic filtering and anisotropicdiffusion equations for image denoising. In this method, the Homomorphic filtering extracts the reflectionand illumination components of a noisy image. Then a suitable image denoising method based onanisotropic diffusion is applied to each components with its special user-defined parameters .This hybridscheme ...
متن کاملAnisotropic smoothing of point sets,
The use of point sets instead of meshes became more popular during the last years. We present a new method for anisotropic fairing of a point sampled surface using an anisotropic geometric mean curvature ßow. The main advantage of our approach is that the evolution removes noise from a point set while it detects and enhances geometric features of the surface such as edges and corners. We derive...
متن کاملA SCALE SPACE FOR TEXTURE+DEPTH IMAGES BASED ON A DISCRETE LAPLACIAN OPERATOR Anonymous ICME submission
In this paper we design a smoothing filter for texture+depth images based on anisotropic diffusion. Our proposed filter is linear and allows to generate a scale space of the texture image which preserves internal image structure (i.e. it does not smooth through object boundaries). Moreover, we show experimentally that our filter demonstrates better stability under camera position changes in suc...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2014