Hormigo et al., 2004 - Google Patents
Image segmentation using the Wigner-Ville distributionHormigo et al., 2004
View PDF- Document ID
- 3781388016243074723
- Author
- Hormigo J
- Cristóbal G
- Publication year
- Publication venue
- ADVANCES IN IMAGING AND ELECTRON PHYSICS.
External Links
Snippet
Most of the statistical-based signal processing methods are based on hypothesis of linearity and stationarity. However, there exist situations in which these assumptions fail to be true. One way to solve this problem is to combine time-frequency analysis with other techniques …
- 238000003709 image segmentation 0 title abstract description 5
Classifications
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- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20048—Transform domain processing
- G06T2207/20064—Wavelet transform [DWT]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
- G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
- G06K9/46—Extraction of features or characteristics of the image
- G06K9/4604—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes, intersections
- G06K9/4609—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes, intersections by matching or filtering
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- G06T2207/20—Special algorithmic details
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- G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
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- G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
- G06K9/46—Extraction of features or characteristics of the image
- G06K9/52—Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
- G06K9/527—Scale-space domain transformation, e.g. with wavelet analysis
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- G—PHYSICS
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- G06T5/001—Image restoration
- G06T5/002—Denoising; Smoothing
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- G06T2207/20016—Hierarchical, coarse-to-fine, multiscale or multiresolution image processing; Pyramid transform
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- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T5/20—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image by the use of local operators
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- G—PHYSICS
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