Digital panoramic camera

A digital camera and camera technology, applied in the field of image processing, can solve the problems of wasting digital camera memory, complete overlapping difficulties, etc., and achieve the effect of perfect image stitching and compensation for distortion

Inactive Publication Date: 2008-12-31
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage of current panoramic cameras is that it is difficult to completely overlap the area between two adjacent frames of the panoramic image
Too much overlap leads to wasting memory in digital cameras due to redundant information

Method used

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Examples

Experimental program
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Embodiment Construction

[0047] figure 1 An example of a digital camera is shown. In this example, a housing 1 , a trigger button 3 and a lens arrangement 2 are shown. The invention can be used in many solutions. In some solutions the device is a typical digital camera, while in some solutions the camera unit is integrated with other units. For example, a device may be a mobile phone, computer, gaming device, communication device, and the like.

[0048] figure 2 A block diagram of a device according to the invention is shown. The device comprises at least an optical unit OU, a control unit CU, a memory unit MEMORY and a user interface UI. The optical unit OU typically includes some lens arrangement as well as image sensor (hereinafter referred to simply as sensor) components, such as CCD or CMOS components. Typically a sensor assembly includes a detector matrix. In a detector matrix, there are a plurality of detector rows and detector columns (in other words, detector lines).

[0049] The con...

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PUM

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Abstract

The invention relates to the field of image processing and more specifically to image processing in a digital camera for taking panoramic pictures. The digital camera according the invention is adapted to produce an image of a target area when the area is swept by the camera. The camera comprises at least an image sensor comprising several detector lines wherein the image sensor creates picture elements, each of which contains information on one or more detector lines, a control unit that is adapted to control the operation of the camera and to detect the sweeping speed, and a memory for storing picture elements. The camera is adapted to record and store a sequence of picture elements, where the next picture element in the sequence is selected based on sweeping speed and the camera creates an image from the stored sequence of picture elements.

Description

technical field [0001] The present invention relates to the field of image processing, and more particularly to image processing in digital cameras for creating panoramic pictures. Background technique [0002] Today, panoramic photography is performed in various ways. One way is to use a camera mounted on a tripod to take continuous shots as the camera is rotated around the tripod. In some cameras, a wider than normal film bandwidth is exposed through specialized movable optics. [0003] Other techniques used to create panoramas include physically cutting and gluing strips of exposed film together by carefully aligning the boundaries between the film edges. [0004] The benefits of electrophotography have led to the development of digital cameras, which, unlike film-based cameras, store images captured in memory into digital memory, such as flash memory. To provide a panoramic photographic effect, these digital cameras can be interfaced with a personal computer to combin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00H04N1/21
CPCG06T1/0007H04N1/00127H04N1/00204H04N1/00307H04N23/951H04N23/698H04N23/68H04N23/63H04N25/441H04N25/50
Inventor M·特里梅切P·尼诺南S·阿莱尼宇斯
Owner NOKIA CORP
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