Monitoring camera
First Claim
Patent Images
1. A device arranged to monitor a scene, comprising:
- a transparent cover; and
a camera, arranged to;
capture a stream of images of the scene through the transparent cover, andprocess the stream of images to detect events that take place in the scene, wherein the detecting of events in the images includes at least one of;
detecting presence of change or motion in the images, ordetecting presence of a subject having a specific appearance,wherein the transparent cover comprises a non-imaging touch sensor for sensing touch and arranged to sense positions of objects in a view of the camera,wherein the camera is arranged to modify at least one aspect of the capturing of the stream of images based on data from the touch sensor, by ignoring or applying less weight to image data from image regions coinciding with positions of objects touching a cover glass, than to remaining image data, for the purpose of determining parameters for image capturing settings,or to modify at least one aspect of the processing of the stream of images based on data from the touch sensor, by flagging events, detected by image processing in image regions coinciding with positions of objects touching the cover glass, differently to events detected by image processing in the remaining image, or by lowering image resolution in image regions coinciding with positions of objects touching the cover glass.
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Abstract
A monitoring camera is equipped with a touch sensor in a camera cover glass, which senses positions of objects touching or being close to the cover glass. The touch sensor aids the camera in separating image data depicting objects on the cover glass from image data depicting the monitored scene. This information may be used when choosing image capture settings, by indicating to the camera which image regions are less important to take into account, and to avoid false alarms which otherwise may occur when rain drops or insects on the cover glass are mistaken for events in the scene.
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Citations
8 Claims
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1. A device arranged to monitor a scene, comprising:
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a transparent cover; and a camera, arranged to; capture a stream of images of the scene through the transparent cover, and process the stream of images to detect events that take place in the scene, wherein the detecting of events in the images includes at least one of; detecting presence of change or motion in the images, or detecting presence of a subject having a specific appearance, wherein the transparent cover comprises a non-imaging touch sensor for sensing touch and arranged to sense positions of objects in a view of the camera, wherein the camera is arranged to modify at least one aspect of the capturing of the stream of images based on data from the touch sensor, by ignoring or applying less weight to image data from image regions coinciding with positions of objects touching a cover glass, than to remaining image data, for the purpose of determining parameters for image capturing settings, or to modify at least one aspect of the processing of the stream of images based on data from the touch sensor, by flagging events, detected by image processing in image regions coinciding with positions of objects touching the cover glass, differently to events detected by image processing in the remaining image, or by lowering image resolution in image regions coinciding with positions of objects touching the cover glass. - View Dependent Claims (2, 3, 4, 5, 7)
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6. A method of monitoring a scene by a camera, comprising the steps of:
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capturing, through a transparent cover, a stream of images of the scene; processing the stream of images to detect events that take place in the scene, wherein the detecting of events in the images includes at least one of; detecting presence of change or motion in the images, or detecting presence of a subject having a specific appearance, sensing, by a non-imaging touch sensor for sensing touch and included in the transparent cover, positions of objects in a camera view touching the transparent cover; and modifying at least one aspect of the capturing of the stream of images based on data from the touch sensor, by ignoring or applying less weight to image data from image regions coinciding with positions of objects touching a cover glass, than to remaining image data, for the purpose of determining parameters for image capturing settings, or modifying at least one aspect of the processing of the stream of images based on data from the touch sensor by flagging events, detected by image processing in image regions coinciding with positions of objects touching the cover glass, differently to events detected by image processing in the remaining image;
or by lowering image resolution in image regions coinciding with positions of objects touching the cover glass. - View Dependent Claims (8)
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Specification