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System And Method For Manual Selection Of Multiple Focus Areas In Digital Cameras

IP.com Disclosure Number: IPCOM000217014D
Publication Date: 2012-Apr-27
Document File: 1 page(s) / 9K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed are a method and system that allow users direct control over selecting one or more focus areas, instead of points, with assistance from a camera's focus processor

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System And Method For Manual Selection Of Multiple Focus Areas In Digital Cameras

The problem with existing implementations for digital camera auto-focus systems is that they allow users limited control, usually a single focus point or a cluster group of points. This severely limits composition and artistic expression.

A method and system are needed that allow users direct control over selecting one or more focus areas, instead of points, with assistance from camera's focus processor.

The proposed solution for focus area selection involves two independent controls (e.g., touchpads, joysticks, etc.) designed for operation while the camera is held securely with the lens pointing towards the desired target(s). The first control allows the user to move the focus area selection while second control allows the user to extend or reduce the currently selected area. The camera's focus processor determines the initial area selection surface based on its currently supported focusing algorithm (i.e., passive, active, or a combination thereof). Provided controls allow users to override by extending or reducing the selected area, moving to another area, thereby adding it to the current selection group or removing part or all of the selection.

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