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Image data providing method, combination method thereof, and presentation method thereof

A technology in image data and images, which is applied in the direction of image communication, TV, color TV parts, etc., can solve the problems of not being able to automatically extract image data, not being able to obtain the position information of the subject being photographed, and not being able to combine image data

Active Publication Date: 2012-10-10
LENOVO (BEIJING) LTD
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  • Summary
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  • Claims
  • Application Information

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Problems solved by technology

However, this method has the following defects: the subject on the focal plane when the image is taken is not marked in the captured image, the position information of the subject cannot be obtained, and accordingly the image of the subject cannot be automatically extracted data
Furthermore, the image data of the captured image obtained by this method cannot be combined with another image

Method used

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  • Image data providing method, combination method thereof, and presentation method thereof
  • Image data providing method, combination method thereof, and presentation method thereof
  • Image data providing method, combination method thereof, and presentation method thereof

Examples

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no. 1 example

[0063] The following will combine Figure 4 to describe image 3 A first embodiment of the image data rendering method is shown.

[0064] First, in the image data presentation method 400, in step S410, the actual size of the display screen of the presentation device is obtained, and the current resolution of the display screen is obtained.

[0065] In step S420, the corresponding relationship between a pixel in the captured image and the actual length and / or height in the focus plane is obtained from the image data. Alternatively, in step S420, the specific corresponding relationship between the imaging size and the actual size of each subject to be photographed can be obtained from the image data, and the specific corresponding relationship can be used to convert a pixel in the captured image and The corresponding relationship of the actual length and / or height in the focal plane.

[0066] Then, in step S430, calculate the correspondence between a pixel in the display scre...

no. 2 example

[0074] Next, refer to Figure 5 describe image 3 A second embodiment of the image data rendering method is shown.

[0075] In the image data presentation method 500, at step S510, the actual size of the display screen of the presentation device is obtained, and the current resolution of the display screen is obtained.

[0076] In step S520, the actual size and imaging size of the subject in the image are obtained. In the case that the image data provides a specific corresponding relationship between the imaging size and the actual size of each of the shot subjects, the actual size of the shot subjects is directly obtained from the image data. Alternatively, in the case where the image data provides a corresponding relationship between a pixel in the captured image and the actual length and / or height in the focal plane, it is necessary to further obtain a pixel in the captured image from the image data. The imaging size of the subject to be photographed, and then use the co...

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Abstract

The invention provides an image data providing method, an image data combination method, and an image data presentation method. The image data providing method comprises the following steps of: obtaining a distance between a photographing apparatus and a focal plane and a current focal length of the photographing apparatus when shooting an image; extracting position information of a shot subject on the focal plane in the shot image; according to the obtained distance between the photographing apparatus and the focal plane and the current focal length of the photographing apparatus, calculating a corresponding relationship between an imaging size and an actual size of the shot subject; and providing the position information of the shot subject, the corresponding relationship, and the shot image together in association as image data of the shot image.

Description

technical field [0001] The present invention relates to a method for providing, combining and presenting image data, and in particular to a method for providing, combining and presenting image data with actual size information of a photographed subject on a focal plane when capturing an image. Background technique [0002] Currently, the camera only obtains the captured image after shooting, but there is no way to extract the subject from the captured image and obtain the actual size of the subject. [0003] In the patent document CN101183206, a method for obtaining the actual size of the object in the captured image is proposed, wherein, firstly, a table of the corresponding relationship between the number of focusing steps and the object distance is established, and then the actual size can be obtained by directly looking up the table after focusing. Object distance, and finally use the calculation formula "object distance / object height = image distance / image height" to ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232
Inventor 过晓冰
Owner LENOVO (BEIJING) LTD
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