Devices and Methods Employing Dual Target Auto Exposure
First Claim
1. A device for obtaining images comprising:
- an imaging subsystem for capturing images, the imaging subsystem comprising an image sensor;
wherein the device is configured for;
acquiring a first plurality of images based on a first control parameter;
adjusting the first control parameter for a first subsequent image of the first plurality of images based on a first prior image of the first plurality of images;
acquiring a second plurality of images based on a second control parameter that is different from the first control parameter; and
adjusting the second control parameter for a second subsequent image of the second plurality of images based on a second prior image of the second plurality of images.
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Abstract
The method includes automatically adjusting a first control parameter in a device for capturing a first plurality of images, automatically adjusting a second control parameter in the device for capturing a second plurality of images such that automatic adjustment of the first control parameter is interspersed with, separate from, and obtained generally concurrently with the automatic adjustment of the second control parameter. The adjustment of the first control parameter being determined differently compared to adjustment of the second control parameter. The method may include attempting to decode a decodable indicia utilizing one or more images of the first and second plurality of images.
395 Citations
27 Claims
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1. A device for obtaining images comprising:
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an imaging subsystem for capturing images, the imaging subsystem comprising an image sensor; wherein the device is configured for; acquiring a first plurality of images based on a first control parameter; adjusting the first control parameter for a first subsequent image of the first plurality of images based on a first prior image of the first plurality of images; acquiring a second plurality of images based on a second control parameter that is different from the first control parameter; and adjusting the second control parameter for a second subsequent image of the second plurality of images based on a second prior image of the second plurality of images. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An indicia reader comprising:
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an illumination subsystem for projecting an illumination pattern; an imaging subsystem for capturing images, the imaging subsystem comprising an image sensor; wherein the indicia reader is configured for; acquiring a first plurality of images; while acquiring the first plurality of images, projecting the illumination pattern based on a first control parameter; adjusting the first control parameter for a first subsequent image of the first plurality of images based on a first prior image of the first plurality of images; acquiring a second plurality of images; while acquiring the second plurality of images, not projecting the illumination pattern based on a second control parameter that is different from the first control parameter; and adjusting the second control parameter for a second subsequent image of the second plurality of images based on a second prior image of the second plurality of images. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method for obtaining images comprising:
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acquiring, with an imaging subsystem, a first plurality of images based on a first control parameter; adjusting the first control parameter for a first subsequent image of the first plurality of images based on a first prior image of the first plurality of images; acquiring, with the imaging subsystem, a second plurality of images based on a second control parameter that is different from the first control parameter; and adjusting the second control parameter for a second subsequent image of the second plurality of images based on a second prior image of the second plurality of images. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification