Video monitoring system
First Claim
Patent Images
1. A video monitoring system comprising:
- a video camera unit configured to capture images and store selected captured images in memory at a varying adaptive storing rate, wherein the varying adaptive storing rate comprises selecting one storing rate among a plurality of storing rates in response to an activity level calculated from content changes in successive captured images and data from one or more environmental sensors, wherein the number of selected captured images that are stored is determined by the varying adaptive storing rate;
a server, configured to receive the stored selected captured images from the video camera unit via a data link, the server being configured to build a video sequence forming a summary of a predefined past period of time; and
one or more portable electronic device configured to display an activity time line of the predefined past period of time, together with a cursor in the activity time line, wherein said cursor can be moved by a user'"'"'s finger drag, and an image of the video sequence corresponding to the current position of the cursor within the activity time line.
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Abstract
A method implemented in a video monitoring system comprising a video camera, a server one or more portable electronic device such as a smartphone or tablet, the method comprising: a—capturing images and determine content change, b—calculate an activity level, with a content change index and a noise index, c—calculate an image storing rate, d—store, at storing rate, time-stamped images, e—transmit time-stamped images to the server, f—build, at the server, a video sequence forming a summary of a predefined past period of time, to be displayed, upon user demand, on the portable electronic device.
9 Citations
13 Claims
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1. A video monitoring system comprising:
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a video camera unit configured to capture images and store selected captured images in memory at a varying adaptive storing rate, wherein the varying adaptive storing rate comprises selecting one storing rate among a plurality of storing rates in response to an activity level calculated from content changes in successive captured images and data from one or more environmental sensors, wherein the number of selected captured images that are stored is determined by the varying adaptive storing rate; a server, configured to receive the stored selected captured images from the video camera unit via a data link, the server being configured to build a video sequence forming a summary of a predefined past period of time; and one or more portable electronic device configured to display an activity time line of the predefined past period of time, together with a cursor in the activity time line, wherein said cursor can be moved by a user'"'"'s finger drag, and an image of the video sequence corresponding to the current position of the cursor within the activity time line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method implemented in a video monitoring system comprising a video camera unit, a server one or more portable electronic devices, the method comprising:
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a—
capturing images, by the video camera unit, and determining a content change index therefrom based on content changes between successive images, wherein each captured image is time-stamped with the time it was captured;b—
calculating an activity level at the video camera unit, based on the content change index and a noise index;c—
selecting, at the video camera unit, one image storing rate among a plurality of storing rates, according to the activity level;d—
storing, at the selected storing rate, selected time-stamped images, in a memory of the video camera unit, wherein the number of selected time-stamped images that are stored is determined by the selected storing rate;e—
transmitting the selected time-stamped images to the server; andf—
building, at the server, a video sequence forming a summary of a predefined past period of time, configured to be displayed, upon user demand, on the one or more portable electronic device. - View Dependent Claims (11, 12, 13)
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Specification