Imaging device
First Claim
Patent Images
1. An imaging device comprising:
- a two dimensional array of pixels and circuitry for conversion of a first value corresponding to a charge level on any given pixel directly to a floating point numerical format.
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Abstract
The present invention relates to improved imaging devices having high dynamic range and to monitoring and automatic control systems incorporating the improved imaging devices.
188 Citations
35 Claims
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1. An imaging device comprising:
- a two dimensional array of pixels and circuitry for conversion of a first value corresponding to a charge level on any given pixel directly to a floating point numerical format.
- View Dependent Claims (2, 3, 4)
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5. An imaging device comprising:
- a two dimensional array of pixels;
a set of available integration periods;
one of said set of available integration periods is selected and recorded in memory for substantially each pixel;
a corresponding reading of an integrated charge level on each pixel is digitized;
a representation of a selected integration period along with said corresponding reading of an integrated charge level are mapped directly into a floating point representation. - View Dependent Claims (6, 7, 8, 9, 32)
- a two dimensional array of pixels;
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10. An imaging device, comprising:
- a two dimensional array of pixels where values of indices identifying a selected integration period for a given pixel along with a corresponding digitized reading of said given pixel value are mapped directly into an IEEE 754-based floating point format.
- View Dependent Claims (11, 12, 13, 14)
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15. An imaging device comprising:
- a two dimensional array of pixels;
a set of available integration periods;
one of said set of available integration periods is selected and recorded in memory for substantially each pixel;
a corresponding reading of an integrated charge level on each pixel is digitized;
a representation of a selected integration period along with said corresponding reading of an integrated charge level are mapped directly into a floating point representation; and
circuitry for conversion of a first value corresponding to a charge level on any given pixel directly to a floating point numerical format. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
- a two dimensional array of pixels;
- 23. An imaging device including an integral circuit which provide image output in a normalized floating point format.
Specification