DIGITAL CAMERA WITH INTEGRATED ACCELEROMETERS
First Claim
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1. A digital camera system comprisinga detector which determines static and dynamic accelerations, said detector comprising:
- a first sensor sensitive to acceleration in a first direction, said first sensor providing a first output signal in response to acceleration in the first direction,a second sensor sensitive to acceleration in a second direction, said second sensor providing a second output signal in response to acceleration in the second direction, the second direction being different from the first direction; and
a first processor being adapted to process the first and second output signals, said processor comprisinga first filter being adapted to low-pass filter the first and second output signals so as to obtain updated information relating to static accelerations, anda second processor being adapted to correlate said updated information relating to static accelerations with stored information relating to static accelerations, and to generate one or more correlation signals indicative of a relative difference between the updated and stored information, andan indicator providing an output based on said one or more correlation signals.
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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
15 Claims
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1. A digital camera system comprising
a detector which determines static and dynamic accelerations, said detector comprising: -
a first sensor sensitive to acceleration in a first direction, said first sensor providing a first output signal in response to acceleration in the first direction, a second sensor sensitive to acceleration in a second direction, said second sensor providing a second output signal in response to acceleration in the second direction, the second direction being different from the first direction; and a first processor being adapted to process the first and second output signals, said processor comprising a first filter being adapted to low-pass filter the first and second output signals so as to obtain updated information relating to static accelerations, and a second processor being adapted to correlate said updated information relating to static accelerations with stored information relating to static accelerations, and to generate one or more correlation signals indicative of a relative difference between the updated and stored information, and an indicator providing an output based on said one or more correlation signals. - View Dependent Claims (2, 3, 4, 5)
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6. A method of guiding a user to a stored orientation of a digital camera, said method comprising:
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providing present orientation information for a digital camera, said orientation information identifying a roll angle and being provided by first and second accelerometers sensitive to accelerations in respective first and second directions to identify angles of roll, the second direction being different from the first direction; retrieving stored orientation information for the digital camera; and indicating a difference between roll angles in the present and stored orientation information to the user. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A digital camera comprising
first and second accelerometers being sensitive to accelerations in first and second directions to provide first and second signals that are continuous functions of accelerations in the first and second directions, wherein the first direction is different than the second direction; -
a processor configured to receive the first and second signals; store the first and second signals, or orientation information corresponding thereto, when a digital image is captured or upon request from a user; generate one or more correlation signals correlating with a difference between stored first and second signals and presently received first and second signals; an indicator providing an output based on the generated one or more correlation signals. - View Dependent Claims (14, 15)
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Specification