Wallis Normalization Image Enhancement Tactical Support System (TESS (3) ) Documentation

The Wallis Normalization Image Enhancement (WNIE) software module is a general purpose digital processing function that normalizes the pixel values for a given input image. The process permits the user to accept default values or input the desired mean and standard deviation required for the output...

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Bibliographic Details
Main Authors: Navard, Andy, Seal, Sylvia, Hawkins, Jeffrey D.
Other Authors: NAVAL OCEANOGRAPHIC AND ATMOSPHERIC RESEARCH LAB STENNIS SPACE CENTER MS
Format: Text
Language:English
Published: 1992
Subjects:
Computer Programming and Software
*IMAGES
OCEANOGRAPHY
OUTPUT
FUNCTIONS
TEMPERATURE
CONTRAST
TOOLS
PROCESSING
AUGMENTATION
REGIONS
SURFACES
TEMPERATURE GRADIENTS
ICE
STANDARDS
FILTERS
MEAN
OCEANS
SURFACE TEMPERATURE
STANDARD DEVIATION
GRADIENTS
SEA ICE
VELOCITY
INPUT
PE63704N
WUDN255042
Sea ice
Online Access:http://www.dtic.mil/docs/citations/ADA248301
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA248301
Description
Summary:The Wallis Normalization Image Enhancement (WNIE) software module is a general purpose digital processing function that normalizes the pixel values for a given input image. The process permits the user to accept default values or input the desired mean and standard deviation required for the output image. The function creates a new image that raises the contrast in low contrast regions and lowers the contrast in those sections that are too high. This allows the user to view the entire image with one enhancement that brings out the majority of features, whether they be sea surface temperature gradients in an infrared ocean image or sea ice features (floes, leads, etc.) in a visible or infrared polar image. The speed and flexibility of the wallis filter is a powerful tool the operator can implement to increase the image content readily extracted.

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