DIGITAL CAMERA WITH INTEGRATED ACCELEROMETERS
First Claim
Patent Images
1. A method of recording a movement-compensated image of an object by a digital camera system, said method comprising the following to be carried out by the digital camera system:
- recording image data of the object by projecting an image of the object onto an image sensor having an array of light sensitive elements and generating electrical charges in the light sensitive elements;
generating information relating to time dependent movements of the digital camera system during the recording, andcorrecting the recording of image data in accordance with the generated information by, during recording;
moving already generated charges between different light sensitive elements in the array; and
/ormechanically moving the image sensor in an image plane of the digital camera system;
to compensate for the time dependent movements of the digital camera system during recording and thus reduce or prevent image blur.
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Abstract
A digital camera system has integrated accelerometers for determining static and dynamic accelerations of the digital cameral system. Data relating to static and dynamic accelerations are stored with recorded image data for further processing, such as for correcting image data for roll, pitch and vibrations and for displaying recorded images with a predetermined orientation using information about, e.g., roll. Data may also be used on-the-fly for smear suppression caused by vibrations.
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Citations
20 Claims
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1. A method of recording a movement-compensated image of an object by a digital camera system, said method comprising the following to be carried out by the digital camera system:
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recording image data of the object by projecting an image of the object onto an image sensor having an array of light sensitive elements and generating electrical charges in the light sensitive elements; generating information relating to time dependent movements of the digital camera system during the recording, and correcting the recording of image data in accordance with the generated information by, during recording; moving already generated charges between different light sensitive elements in the array; and
/ormechanically moving the image sensor in an image plane of the digital camera system; to compensate for the time dependent movements of the digital camera system during recording and thus reduce or prevent image blur. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of correcting image data during recording of an image of an object by a digital camera system, said method comprising the following to be carried out by the digital camera system:
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recording image data of the object by projecting an image of the object onto an image sensor having an array of light sensitive elements and generating electrical charges in the light sensitive elements; generating information relating to time dependent movements of the digital camera system during the recording, and correcting the recording of image data in accordance with the generated information by, during recording; moving already generated charges between different light sensitive elements in the array; and
/ormechanically moving the image sensor in an image plane of the digital camera system; to compensate for the time dependent movements of the digital camera system during recording, and thus reduce or prevent image blur. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A digital camera system comprising:
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an image sensor having an array of light sensitive elements for recording image data of an object to be imaged by generating electrical charges in the light sensitive elements; a first accelerometer sensitive to acceleration in a first direction and being adapted to provide a first output signal in response to acceleration in the first direction; a second accelerometer sensitive to acceleration in a second direction different from the first direction and being adapted to provide a second output signal in response to acceleration in the second direction; a signal processing unit comprising an acceleration data processing module configured to determine information relating to time dependent movements of the digital camera system during recording of image data from the first and second output signals; and means for correcting the recording of image data in accordance with the determined information relating to movements by, during recording; causing already generated charges to move between different light sensitive elements in the array; and
/orcausing the image sensor to move in an image plane of the digital camera system; to compensate for the time dependent movements of the digital camera system during recording of image data, and thus reduce or prevent image blur. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification