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Image synthesis apparatus and control method

A technology of image synthesis and equipment, applied in image communication, TV, color TV parts, etc., can solve problems such as quality degradation, inability to obtain smooth moving images, and large image differences

Inactive Publication Date: 2014-01-22
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the case of continuously reproducing a composite image as a moving image, if a part of consecutive images among images captured in one frame are composited, the composite image differs greatly from the images of adjacent frames, so smoothness cannot be obtained. moving images and cause their quality to degrade

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  • Image synthesis apparatus and control method

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Embodiment Construction

[0022] The embodiments according to the present invention will be described in detail below with reference to the drawings.

[0023] figure 1 Is a diagram showing the structure of an imaging apparatus equipped with an image synthesis apparatus according to an embodiment of the present invention.

[0024] figure 1 The image pickup apparatus shown is, for example, a digital camera (hereinafter referred to as a camera), and has a camera body 12 and a control unit 19 (hereinafter referred to as a CPU). The camera body 12 is equipped with an imaging optical system supported by a lens barrel 14.

[0025] The imaging optical system is equipped with a first lens 13a, a second lens 13b, a third lens 13c, and an optical low-pass filter 13d. An imaging device 13e is arranged on the optical axis 11 of the imaging optical system. Here, the photographing lens unit is a collective term for the first lens 13a, the second lens 13b, and the third lens 13c. As indicated by the solid arrow 15, the AF...

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Abstract

The present invention relates to an image synthesis apparatus and a control method and a control program stored in a storage medium. An image composition apparatus that is capable of obtaining a good movie with a smooth movement when composite images each of which is obtained by composing images taken with short exposure time is reproduced as a movie. An exposure control unit calculates a proper exposing condition of a subject based on continuously taken images. A reproducing image selection unit selects temporally discrete images of which the number corresponds to the proper exposing condition from the taken images. A reproducing image composition unit composes the images selected by the reproducing image selection unit to generate a composite image.

Description

Technical field [0001] The present invention relates to an image synthesizing device that synthesizes continuously shot images to form an image, a control method of the image synthesizing device, and a storage medium storing a control program. Background technique [0002] Generally, a large aperture and long exposure time are required to shoot dark subjects. On the other hand, there is known an imaging apparatus that photographs a dark subject multiple times with a short exposure time and forms one image by synthesizing the captured images (see Japanese Patent Application Publication No. 2006-174069A). [0003] In the case where images are taken multiple times with a short exposure time and combined into one image as described in the above-mentioned publication, it is possible to avoid image degradation caused by camera shake and the like and signal saturation of the imaging device. [0004] However, when the composite image is continuously reproduced as a moving image, if a part o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N5/235H04N23/75
CPCH04N23/951H04N23/73
Inventor 吉村勇希
Owner CANON KK