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A method, apparatus, software and arrangement for modifying image data

A technology of data and equipment, applied in the field of programmable modification, can solve the problem of increasing the total weight or cost of equipment

Inactive Publication Date: 2010-09-22
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Correction of eg some distortion causes an undue increase in the overall weight or cost of the device, and therefore it is unwise

Method used

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  • A method, apparatus, software and arrangement for modifying image data
  • A method, apparatus, software and arrangement for modifying image data
  • A method, apparatus, software and arrangement for modifying image data

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Embodiment Construction

[0023] Various embodiments of the invention will be described below with reference to the accompanying drawings, which are hereby incorporated into a part of this specification. The description sets forth some exemplary embodiments of the ways in which the invention can be used and utilized. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made without departing from the scope of the present invention.

[0024] figure 1 A method according to an exemplary embodiment of the invention is shown, which is carried out during the entire exposure time. The entire exposure time starts at step 101 . In this application text the term single exposure time is used to refer to the time during which the sensor pixels are exposed and the photographed object is stored in the camera sensor. The overall exposure time consists of the individual exposure times occurring during it and corresponds to the conventional exposure time of...

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Abstract

This invention relates to programmable modification of image data of a small compact digital camera. In the method according to the embodiments of the invention sensor data is processed before transferring it to an image processing component (303). The sensor data is read out from a camera sensor (306) several times during one total exposure time (101, 107) and a data entity representing the final picture is integrated from the sensor data read out during an individual exposure time (308). The sensor data and / or the data entity are analyzed (309, 312) before the data entity is transferrable to the image processing component (303).

Description

technical field [0001] The present invention relates to the programmable modification of image data of compact digital cameras. Background technique [0002] The quality of images captured with a camera is affected by the characteristics of the camera and optical system. A digital camera's sensor has a specific resolution and specific characteristics that define the quality of the captured image. Among the optical characteristics, image angle, zoom and focal length especially affect the image quality in small cameras, which cannot infinitely improve the characteristics of the camera due to the small device size. Additionally, optical systems always introduce distortion. Some distortions are compensated by optics, such as by installing reverse-signed optics to correct distortions caused by optics. Optical distortions can also be compensated by taking into account properties of objects such as light distribution in image processing. Typically, optical distortions are corre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232H04N5/335H04N23/40G06TH04N25/00
CPCH04N5/2352H04N5/23212H04N5/232H04N5/23248H04N5/335H04N23/673H04N23/68H04N23/72H04N25/00H04N23/67
Inventor P·阿奥南
Owner NOKIA TECH OY