Monitoring system
a monitoring system and monitoring module technology, applied in the field of monitoring systems, can solve the problems of limited monitoring modules, high monitoring costs, and the need for alarm operators to be constantly at the monitoring level, and achieve the effect of improving the accuracy of the whole system, and ensuring the monitoring level
Inactive Publication Date: 2009-06-25
MERHEIM CHRISTIAN +5
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AI Technical Summary
Benefits of technology
Enables reliable and cost-effective monitoring with reduced data transmission, allowing for the connection of a large number of modules to a single station, improved sabotage protection, and enhanced privacy protection through data reduction and anonymous transmission, while maintaining accurate alarm verification.
Problems solved by technology
The disadvantage of this system is that the alarm operators must be paying attention continuously if there is anyone in the transmitted images.
This severely limits the number of monitoring modules that can be connected to the monitoring station, which also results in the monitoring being very expensive.
A problem with this type of monitoring system is that in many cases the recorded images do not provide sufficient information about what has caused the alarm.
In addition, the system still transmits a relatively large quantity of data.
Method used
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Embodiment Construction
[0058]FIG. 1 shows schematically a monitoring system with a number of monitoring modules 1 which can communicate with a monitoring station 3 via a transmission medium 2.
[0059]FIG. 2 shows a block diagram of the hardware in the monitoring module 1. The monitoring module 1 is supplied with a voltage to a voltage connection 4. In addition, the monitoring module 1 comprises a powerful calculating unit 5. The monitoring module 1 comprises a communication unit 6. In addition, the monitoring module 1 comprises a light-sensitive sensor 7, for example a CMOS sensor, for recording images. The sensor 7 is integrated into a chip and also has a lens arrangement 8. The sensor 7 provides an analogue output signal which is forwarded to an A / D converter 9 for conversion into a digital signal. In addition, the monitoring module 1 comprises a random access memory 10. The monitoring module 1 operates with a suitable operating system and can carry out advanced image processing. The monitoring module l a...
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A method of monitoring monitored locations by means of a monitoring system. The monitoring system comprises a plurality of monitoring modules 1, each of which has a light-sensitive sensor for monitoring the monitored locations. The monitoring system further comprises a remote monitoring station 3 with an operator. The method comprises the steps of recording by each of the monitoring modules 1 an image of the monitored location associated with the monitoring module 1, extracting in each of the monitoring modules an area in the recorded image that differs from a reference image, and extracting in each of the monitoring modules an object from the area. The method further comprises classifying in each of the monitoring modules 1 the object based on characteristics, such as a characteristic of the type: size, shape and / or movement history, associated with the object, if the object is a human alarm object, and, if the object is classified as a human alarm object, transmitting data representing the area in a stylized way to the monitoring station 3, and recreating said transmitted data in the monitoring station 3 and displaying the same to the operator for verification of the human alarm object.
Description
TECHNICAL FIELD [0001]This invention relates to a method of monitoring a monitored location, a monitoring system and a monitoring module for monitoring.BACKGROUND ART [0002]Monitoring of various public places, business premises and private homes is becoming increasingly important as they contain increasingly valuable equipment, both of economic value, such as expensive computer equipment, and sentimental value, such as family heirlooms.[0003]In order to meet these increased monitoring needs, there are different types of monitoring systems. One type of monitoring system according to prior art normally comprises a monitoring station and a number of monitoring modules, each of which monitors a monitored location. Each monitoring module is connected to a monitoring station via communication cables. Traditionally, a monitoring module is a video camera which continually records images which are transmitted to the monitoring station. In the monitoring station there are one or more alarm op...
Claims
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IPC IPC(8): G08B23/00G06T7/00G06T7/20G08B13/194H04N7/18
CPCG06K9/00771G06T7/0002G06T7/2053H04N7/188G08B13/19604G08B13/19673G08B13/19684G08B13/19602G06T7/254G06V20/52
InventorMERHEIM, CHRISTIANRODMAN, ANDREASHOVANG, DANELFVING, MATSGUSTAVSSON, PETERLIDGREN, ALEXANDER
OwnerMERHEIM CHRISTIAN