Methods for processing images to detect objects below the...

Details Methods for processing images to detect objects below the... Methods for processing images to detect objects below the...

Filed on

2011-01-11

Date issued

2011-01-11

Examiner

Tabatabai, Abolfazl (Department: 2624)

Patent Class

Image analysis

SubClass

Applications

SubSubClass

Target tracking or detecting

Other Related Categories

C348S081000

Type

Reexamination Certificate

Status

active

Patent number

07869620

Description

ABSTRACT:
The present invention is a processing method to increase the detection of objects below the surface of the water comprising the steps of: acquiring image data in separate spectral regions simultaneously and converting the image data into intensity value arrays for each spectral region, transforming the intensity value arrays into two-dimensional discrete wavelet transform arrays for each spectral region, and subtracting in a pair wise manner the two-dimensional discrete wavelet transform arrays thereby obtaining images showing an object below the surface of the water.

REFERENCES:
patent: 5243541 (1993-09-01), Ulich
patent: 7474334 (2009-01-01), Patterson

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