Method and apparatus for obtaining information from a utility meter
First Claim
1. A method of obtaining information from a utility meter, the method comprising using a digital camera to take a digital image of information displayed on the utility meter, passing the digital image to a computing means and using the computing means to extract information displayed on the utility meter from the image,wherein the computing means extracts information displayed on the utility meter from the image by calibrating the image, and wherein the step of calibrating the image comprises identifying two points in the image, the two points being points on two different features within the image and which correspond to points which are at known relative positions on the utility meter.
2 Assignments
0 Petitions
Accused Products
Abstract
A method and apparatus for obtaining information from a utility meter. A digital camera is used to take a digital image of information displayed on the utility meter. The digital image is passed to a computer that is arranged to extract information displayed on the utility meter from the image. The information may be used for a variety of purposes such as updating databases with details of utility meters and for billing purposes.
12 Citations
10 Claims
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1. A method of obtaining information from a utility meter, the method comprising using a digital camera to take a digital image of information displayed on the utility meter, passing the digital image to a computing means and using the computing means to extract information displayed on the utility meter from the image,
wherein the computing means extracts information displayed on the utility meter from the image by calibrating the image, and wherein the step of calibrating the image comprises identifying two points in the image, the two points being points on two different features within the image and which correspond to points which are at known relative positions on the utility meter.
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9. An apparatus for obtaining information from a utility meter, the apparatus comprising a digital camera to take a digital image of information displayed on the utility meter, computing means to receive the digital image taken by the digital camera and the computing means being arranged to extract information displayed on the utility meter from the digital image,
wherein the computing means is operable to extract information displayed on the utility meter from the image by calibrating the image, said calibrating comprising identifying two points in the image, the two points being points on two different features within the image and which correspond to points which are at known relative positions on the utility meter.
Specification