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Method and system for correcting chromatic aberration of equipment

A technology for chromatic aberration correction and equipment, which is applied to color TVs, color TV components, and color signal processing circuits.

Active Publication Date: 2018-08-21
GEER TECH CO LTD
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Problems solved by technology

[0003] The existing solution is to physically offset, such as adding an achromatic lens to offset this dispersion, etc., but this method needs to change the hardware structure of the device, which increases the cost

Method used

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  • Method and system for correcting chromatic aberration of equipment
  • Method and system for correcting chromatic aberration of equipment
  • Method and system for correcting chromatic aberration of equipment

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0041] In the device chromatic aberration correction method of this embodiment, the device has a lens, and the user observes the digital image through the lens. In this embodiment, the device is a head-mounted display device, and the user wears the device and observes the digital image through the lens to experience using it.

[0042] The chromatic aberration correction method of the present embodiment specifically includes the following steps, see figure 1 shown.

[0043] Step S1: Obtain the two-dimensional index value (u, v) corresponding to each pixel of the digital image.

[0044] Step S2: Obtain the red index value (u' r ,v' r ), the green index value (u' g ,v' g ), the blue index value (u' b ,v' b ).

[0045] Using a common fitting m...

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Abstract

The invention discloses a method and a system for chromatic aberration correction of equipment. The method comprises the following steps of obtaining a two-dimensional index value corresponding to each pixel of a digital image; obtaining a red index value, a green index value and a blue index value, which are corresponding to each pixel after chromatic dispersion through a lens; sampling the digital image to obtain a red component value, a green component value and a blue component value of a color value of each pixel after chromatic dispersion; computing the color value of each pixel after chromatic dispersion to obtain a digital image after chromatic dispersion; and observing the digital image after chromatic dispersion through the lens. The image has a chromatic dispersion effect, when eyes observe the image through the lens, the chromatic dispersion effect on the image and the dispersion characteristic of the lens cancel out, so that the image seen by the eyes is a normal image without the chromatic dispersion, the eyes cannot observe the chromatic dispersion, the user experience is improved and the competitive power of the equipment is improved; and modification of a hardware structure of the equipment is not needed, the cost is lower and the method and the system are easy to implement.

Description

technical field [0001] The invention belongs to the technical field of chromatic aberration correction, and in particular relates to a device chromatic aberration correction method and system. Background technique [0002] Most of the current HMD (head-mounted display device) products use electronic screens to display images, and human eyes observe these images through lenses. Newton's prism experiment tells us that white light will appear dispersion when it passes through a prism. Taking the lens used in HMD as an example, the refractive index of the lens will decrease as the frequency of the incident light decreases, so that when the image on the screen is observed through the lens, light bands of different colors will appear, that is, the observation to the phenomenon of dispersion. [0003] The existing solution is to physically offset, such as adding an achromatic lens to offset the dispersion, etc., but this method needs to change the hardware structure of the device,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/64G02B27/00
CPCG02B27/005H04N9/646
Inventor 李铁成
Owner GEER TECH CO LTD
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