نتایج جستجو برای: arenaceous texture

تعداد نتایج: 41475  

2007
Surya Prakash Sukhendu Das

We address the issue of segmenting multiple textured objects in presence of a background texture. The proposed technique is based on Geodesic Active Contour (GAC) and can segment multiple textured objects from the textured background. For an input texture image, a texture feature space is created using scalogram obtained from discrete wavelet transform (DWT). Then, a 2-D Riemannian manifold of ...

2003
Steve Zelinka Michael Garland

We introduce a new method for fast texture synthesis on surfaces from examples. We generalize the image-based jump map texture synthesis algorithm, which partitions the task of texture synthesis into a slower analysis phase and a fast synthesis phase, by developing a new synthesis phase which works directly on arbitrary surfaces. Our method is one to two orders of magnitude faster than existing...

1995
Michael J. Black Ruth Rosenholtz

This paper examines the problem of estimating surjiace shape from texture in situations in which there are multiple textures present due to texture discontinuities, occlusion, and pseudo-trarzspareizcy (fbr example looking through a picket fence ut u textured s u @ ~ e ) . Previous shupe-ji-om-texture methods that use changes in the spatial jrequency representution ofneighboring image patches u...

Journal: :EURASIP J. Adv. Sig. Proc. 2006
Karl Skretting John Håkon Husøy

A new method for supervised texture classification, denoted by frame texture classification method (FTCM), is proposed. The method is based on a deterministic texture model in which a small image block, taken from a texture region, is modeled as a sparse linear combination of frame elements. FTCM has two phases. In the design phase a frame is trained for each texture class based on given textur...

1981
Fumiaki Tomita

A system is proposed which analyzes various textures statistically or structurally, depending on the nature of the textures. The system first describes a texture globally by both gray level first order statistics and edge statistics to roughly classify it. Next, the system extracts homogeneous gray level regions to try to describe the texture structurally. However, if too many regions are extra...

Journal: :ACM Transactions on Graphics 2008

Journal: :Scholarpedia 2009

Journal: :EURASIP Journal on Advances in Signal Processing 2005

2003
Q. ZHANG J. WANG P. GONG P. SHI

The long-time historical evolution and recent rapid development of Beijing, China, present before us a unique urban structure. A 10-metre spatial resolution SPOT panchromatic image of Beijing has been studied to capture the spatial patterns of the city. Supervised image classifications were performed using statistical and structural texture features produced from the image. Textural features, i...

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