Facility monitoring system with image memory and correlation
DCFirst Claim
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1. A monitoring system comprising:
- a movably mounted camera adapted for receiving images of a space to be monitored;
an interpreter for receiving image data from the camera;
a reference memory for storing reference image data;
a comparator connected for comparing image data from the interpreter to image data from the reference memory according to selected comparison criteria, wherein the interpreter and comparator cooperate to select recognizable portions of image data among unrecognized portions of image data in the space being monitored, the selected image portions being compared to the image data in the reference memory; and
an output interface for reporting results of the image data comparisons performed by the comparator.
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Abstract
A video image of a space is monitored and compared to a reference image. Correlation of the images indicates presence of unwanted persons or objects or the occurrence of unwanted events. When programmed comparison criteria are met, an alarm is activated, the space is displayed on a monitor, and the image is stored in memory. Reference images are stored during dedicated or ongoing learn modes.
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Citations
20 Claims
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1. A monitoring system comprising:
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a movably mounted camera adapted for receiving images of a space to be monitored; an interpreter for receiving image data from the camera; a reference memory for storing reference image data; a comparator connected for comparing image data from the interpreter to image data from the reference memory according to selected comparison criteria, wherein the interpreter and comparator cooperate to select recognizable portions of image data among unrecognized portions of image data in the space being monitored, the selected image portions being compared to the image data in the reference memory; and an output interface for reporting results of the image data comparisons performed by the comparator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A monitoring system comprising:
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a movably mounted camera adapted for receiving images of a space to be monitored; an interpreter for receiving image data from the camera; a reference memory for storing reference image data for plural images and a comparator adapted for comparing image data from the interpreter to image data for the plural images from the reference memory according to selected comparison criteria, wherein the interpreter and comparator cooperate to select recognizable portions of image data among unrecognized portions of image data in the space being monitored, the selected image portions being compared to the image data in the reference memory; and an output interface for reporting results of the image data comparisons performed by the comparator.
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12. A method of monitoring a space comprising the steps of:
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receiving a first set of image data from the space representing plural images; identifying and selecting a portion of the information to be stored according to analysis and learn criteria; storing the selected information; receiving a second set of image data from the space; identifying and selecting a portion of the second set of image data to be analyzed according to the analysis criteria, wherein the selected portion represents a recognizable portion of image data among unrecognized portions of image data in the space being monitored; comparing the selected portions of the sets of image data to each other so as to compare the second set of image data to the plural images of the first set and determine a correlation of the images; and indicating whether the correlation of the images meets selected comparison criteria. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification