Imaging device and method for automatic focus in an imaging device as well as a corresponding computer program
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United States of America Patent
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Feb 19, 2019
Grant Date -
Sep 8, 2016
app pub date -
May 16, 2016
filing date -
Mar 21, 2014
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Abstract
An imaging device, and a method for automatic focus in said imaging device is disclosed. The imaging device comprises a first imaging system with a first lens system, a second imaging system with a second lens system, and an autofocus controller. The imaging device and the method are respectively able to perform a step by step autofocus search with the first lens system and the second lens system on the basis of a search parameter. Thereby, the autofocus controller obtains a result of an objective function for each of the first lens system and the second lens system after each autofocus search step, and updates the search parameter depending on the obtained results of the objective function for each of the first lens system and the second lens system.
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