| 摘要 |
The specification and drawings present a new method, apparatus and software product for a passive estimation of a distance between a camera or an electronic device comprising the camera (e.g., a wireless camera phone) and an identified object or objects (e.g., automatically recognizable by the camera) having one or more known dimensions and located substantially in one object plane using an image (e.g., provided by the camera) for implementing by the camera/electronic device one or more imaging algorithms (e.g., autofocusing, flash adjustment, etc.) using that distance.
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