Focusing method for a moving object
AssigneeInventec Corporation
InventorsChaucer Chiu, Xu Dong Wang
Life of this patent
Estimating the term…
Abstract
A focusing method for a moving object that involves using a gray histogram and a histogram projection drawing to analyze the serial images taken by a photographic instrument, taking a pattern from the images of the serial images, comparing every image of the serial images by means of pattern matching, and eventually generating a new pattern. Given the patterns and the updated patterns that are in sequential order, discrepancies between a pattern and an updated pattern can be found by comparison so as to acquire the information about the dynamic movement of the moving object.
Claims12
A focusing method for a moving object which utilizes a photographic instrument to take images of a moving object, and focuses said photographic instrument by means of a pattern matching method, comprises the following steps:
- set an optimal matching pattern position;
- retrieve a serial image of said moving object;
- acquire an initial pattern of said moving object and an initial pattern position according to said serial image;
- and
- compare said initial pattern position and said optimal matching pattern position so as to make an adjustment in the photographic angle of said photographic instrument.
A focusing method for a moving object which utilizes a photographic instrument to take images of a moving object, and focuses said photographic instrument by means of a pattern matching method, comprises the following steps:
- retrieve a serial image of said moving object;
- acquire an initial pattern of said moving object and an initial pattern position according to said serial image;
- carry out pattern matching and search for an optimal matching position of said moving object according to said serial image;
- acquire an updated pattern and an updated pattern position of said moving object according to said optimal matching position;
- and
- make an adjustment in a photographic angle of said photographic instrument according to said updated pattern position.
Dependencies are inferred from the claim text.