Results 261 to 270 of about 369,316 (285)

Texture segmentation using local energy in wavelet scale space

1996
Wavelet transforms are attracting increasing interest in computer vision because they provide a mathematical tool for multiscale image analysis. In this paper, we show that i) the subsampled wavelet multiresolution representation is translationally variant; and ii) a wavelet transform of a signal generally confounds the phase component of the analysing
Zhi-Yan Xie, Michael Brady 0001
openaire   +1 more source

Efficient scale space auto-context for image segmentation and labeling

2009 IEEE Conference on Computer Vision and Pattern Recognition, 2009
The conditional random fields (CRF) model, using patch-based classification bound with context information, has been widely adopted for image segmentation/ labeling. In this paper, we propose three components for improving the speed and accuracy, and illustrate them on a developed auto-context algorithm: (1) a new coding scheme for multiclass ...
null Jiayan Jiang, null Zhuowen Tu
openaire   +1 more source

Morphological Scale-Space based Vessel Segmentation of Retinal Image

2012 Annual IEEE India Conference (INDICON), 2012
This paper introduces a novel procedure to segment retinal vessels using new technique namely Morphological Angular Scale-Space (MASS). Line structuring element is rotated about the seed point to determine the curvature of the vessels thereby ensuring that the components remains connected along vessels segmented.
Anirban Kundu, Rohit Kamal Chatterjee
openaire   +1 more source

SCALE-SPACE SEGMENT GROWING FOR HIERARCHICAL DETECTION OF BILIARY TREE STRUCTURE

International Journal of Wavelets, Multiresolution and Information Processing, 2005
Liver diseases are a common medical problem, especially amongst the population of developing countries. Magnetic Resonance Cholangio Pancreatography (MRCP) has become the popular non-invasive, non-ionizing examination for analysis of the hepatobiliary structure in the liver.
openaire   +2 more sources

Hierarchical image segmentation using a watershed scale-space tree

7th International Conference on Image Processing and its Applications, 1999
The watershed transformation is a useful morphological segmentation tool which has been used in a variety of grey-scale image processing applications. However, a major problem with the watershed transformation is that it produces a severe over-segmentation due to the great number of minima embedded in the image or its gradient, and therefore it is ...
openaire   +1 more source

Retinal vessel segmentation using Morphological Angular Scale-Space

2012 Third International Conference on Emerging Applications of Information Technology, 2012
In this paper, segmentation of retinal vessel is done using an innovative procedure named as Morphological Angular Scale-Space (MASS). A linear structuring element rotated at different angles determines the connected components and ensuring that connectivity is not lost across the vessels.
Anirban Kundu, Rohit Kamal Chatterjee
exaly   +2 more sources

Scale-Space Image Filtering for Segmentation

2009
Scott T. Acton, Nilanjan Ray
openaire   +1 more source

Multiresolution segmentation of natural images: from linear to nonlinear scale-space representations

IEEE Transactions on Image Processing, 2004
P Vandergheynst
exaly  

Color images' segmentation using scale space filter and markov random field

Pattern Recognition, 1992
Chung-Lin Huang, Chaur-Chin Chen
exaly  

Quantitative analysis of cryo-EM density map segmentation by watershed and scale-space filtering, and fitting of structures by alignment to regions

Journal of Structural Biology, 2010
Grigore D Pintilie, Junjie Zhang, Thomas D Goddard   +2 more
exaly