US 5,689,562 A · Method for transmitting superimposed image data in a radio frequency communication system

Abstract

The present invention relates to a method for transmitting image data for superimposed images via wireless devices in a radio frequency communication system. The original image is transmitted via a communication channel to a receiving unit. The original image is then revised to form a revised image. The revised image is compared to the original image to determine the differences between the revised image and the original image. These differences comprise a difference image which is then transmitted to the receiving party. At the receiving end, the difference image is recombined with the previously-transmitted original image to reform the revised image. In a preferred embodiment, the original images and difference images are preferably decomposed and progressively transmitted to the receiving unit in response to image data requests from the receiving unit.

Claims34

Dependent claims

A method for transmitting superimposed image data via wireless devices in a radio frequency communication system, comprising the steps of:

a) storing an original image in an image transmitting unit;
b) transmitting the original image from the image transmitting unit to an image receiving unit;
c) storing the original image in the image receiving unit;
d) revising the original image in the image transmitting unit to form a revised image;
e) storing the revised image in the image transmitting unit;
f) comparing and determining the differences between the revised image and the original image;
g) forming a difference image comprising the differences between the revised image and the original image;
h) transmitting the difference image to the image receiving unit;
i) adding the difference image to the original image to recreate the revised image at the image receiving unit;
and
j) storing the revised image in the image receiving unit.

8 more elements

A method for transmitting a superimposed image between an image transmitting unit and an image receiving unit, comprising the steps of:

a) decomposing an original image into discrete information blocks including a base image information block and one or more image detail information blocks;
b) storing the information blocks in the image transmitting unit;
c) sending a first image data request from an image receiving unit to the image transmitting unit;
d) transmitting an information block containing the base image from the image transmitting unit to the image receiving unit in response to the first image data request;
e) displaying the base image at the image receiving unit;
f) sending one or more additional image data requests from the image receiving unit to the image transmitting unit;
g) transmitting additional information blocks containing image details from the image transmitting unit to the image receiving unit in response to the additional image data requests;
h) combining, at the image receiving unit, the image details with the base image and any previous image details received by the image receiving unit to create a new detail image of higher resolution than the previous image;
i) displaying the new detail image at the image receiving unit;
j) revising the original image at the image transmitting unit to form a revised image;
k) comparing the revised image to the original image and extracting the differences between the images to form a difference image;
l) transmitting the difference image from the image transmitting unit to the image receiving unit;
m) recombining the original image with the difference image at the image receiving unit to reform the revised image;
and
n) displaying the revised image at the image receiving unit.

12 more elements

Dependencies are inferred from the claim text.

Method for transmitting superimposed image data in a radio frequency communication system

Life of this patent

Method for transmitting superimposed image data in a radio frequency communication system

Life of this patent

Abstract

Claims34