[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Pappas et al., 1999 - Google Patents

Multichannel distance filter

Pappas et al., 1999

View PDF
Document ID
1071388813210919934
Author
Pappas M
Pitas I
Publication year
Publication venue
IEEE transactions on signal processing

External Links

Snippet

A nonlinear multichannel digital filter is presented in this correspondence. The output is a weighted sum of all samples in the filter window, with a single parameter controlling the filter nonlinearity. Although input data ordering is not required, performance can surpass the …
Continue reading at aiia.csd.auth.gr (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/20—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image by the use of local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/4084—Transform-based scaling, e.g. FFT domain scaling
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0261—Non linear filters
    • H03H17/0263—Rank order filters
    • 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
    • G06K9/00496—Recognising patterns in signals and combinations thereof
    • G06K9/00503—Preprocessing, e.g. filtering

Similar Documents

Publication Publication Date Title
US4442454A (en) Image processing method using a block overlap transformation procedure
Kim et al. Recursive high-resolution reconstruction of blurred multiframe images
Dodgson Quadratic interpolation for image resampling
Comer et al. Morphological operations for color image processing
Hardie et al. Ranking in R/sup p/and its use in multivariate image estimation
Hardie et al. LUM filters: a class of rank-order-based filters for smoothing and sharpening
Karakos et al. Combining vector median and vector directional filters: The directional-distance filters
Rajala et al. Adaptive nonlinear image restoration by a modified Kalman filtering approach
Pillai et al. Blind image deconvolution using a robust GCD approach
EP0679032A2 (en) Image encoding and decoding method and apparatus using edge systhesis and inverse wavelet transform
US20030095716A1 (en) Method of spatially filtering digital image for noise removal, noise estimatation or digital image enhancement
Weldon et al. Design of multiple Gabor filters for texture segmentation
Ranganath Image filtering using multiresolution representations
Ponomaryov Real-time 2D–3D filtering using order statistics based algorithms
Barni A fast algorithm for 1-norm vector median filtering
Pappas et al. Multichannel distance filter
Malinski et al. Self-tuning fast adaptive algorithm for impulsive noise suppression in color images
Cohen et al. Classification of natural textures by means of two-dimensional orthogonal masks
Shih et al. Recursive soft morphological filters
Tirakis et al. Two-dimensional filter bank design for optimal reconstruction using limited subband information
Elfishawy et al. Adaptive algorithms for change detection in image sequence
Azimi-Sadjadi et al. Two-dimensional recursive parameter identification for adaptive Kalman filtering
Kasparis et al. Texture description using fractal and energy features
Burt Pyramid-based extraction of local image features with applications to motion and texture analysis
EP1952343A1 (en) Method and apparatus for enhancing signals with multiscale grouping bandelets