نتایج جستجو برای: local texture

تعداد نتایج: 569110  

Journal: :Pattern Recognition Letters 2016
Rakesh Mehta Karen O. Egiazarian

In this paper, we present a novel rotation-invariant and computationally efficient texture descriptor called Dominant Rotated Local Binary Pattern (DRLBP). A rotation invariance is achieved by computing the descriptor with respect to a reference in a local neighborhood. A reference is fast to compute maintaining the computational simplicity of the Local Binary Patterns (LBP). The proposed appro...

Journal: :EURASIP Journal on Image and Video Processing 2014

1992
John Krumm Steven A. Shafer

Texture has long been recognized in computer vision as an important monocular shape cue, with texture gradients yielding information on surface orientation. A more recent trend is the analysis of images in terms of local spatial frequencies, where each pixel has associated with it its own spatial frequency distribution. This has proven to be a successful method of reasoning about and exploiting...

2007
Stephen Haddad

Texture is an important visual cue in both human and computer vision. Segmenting images into regions of constant texture is used in many applications. This work surveys a wide range of texture descriptors and segmentation methods to determine the state of the art in texture segmentation. Two types of texture descriptors are investigated: filter bank based methods and local descriptors. Filter b...

1985
John Aliomonos Michael J. Swain

Measurements on image texture interpreted under an approximate perspective image model can be used with an iterative constraint propagation algorithm to determine surface orientation. An extension of the ideas allows their robust application to natural images of textured planes. The techniques are demonstrated on synthetic and natural images.

Journal: :CoRR 2016
Matti Pietikäinen Guoying Zhao

Texture is an important characteristic for many types of images. In recent years very discriminative and computationally efficient local texture descriptors based on local binary patterns (LBP) have been developed, which has led to significant progress in applying texture methods to different problems and applications. Due to this progress, the division between texture descriptors and more gene...

2013
Rakesh Mehta Karen O. Egiazarian

In this paper we propose two novel rotation invariant local texture descriptors. They are based on Local Binary Pattern (LBP), which is one of the most effective and frequently used texture descriptor. Although LBP efficiently captures the local structure, it is not rotation invariant. In the proposed methods, a dominant direction is evaluated in a circular neighbourhood and the descriptor is c...

2009
GABRIEL PEYRÉ

This article presents a new adaptive framework for locally parallel texture modeling. Oscillating patterns are modeled with functionals that constrain the local Fourier decomposition of the texture. We first introduce a convex texture functional which is a weighted Hilbert norm. The weights on the local Fourier atoms are optimized to match the local orientation and frequency of the texture. Thi...

2014
Thanh Phuong Nguyen Antoine Manzanera Walter G. Kropatsch

A general texture description model is proposed, using topology related attributes calculated from Local Binary Patterns (LBP). The proposed framework extends and generalises existing LBP-based descriptors like LBP-rotation invariant uniform patterns (LBP), and Local Binary Count (LBC). Like them, it allows contrast and rotation invariant image description using more compact descriptors than cl...

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