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Head-up display and image correction method thereof

A head-up display and image correction technology, applied in the field of head-up display, which can solve problems such as distortion, distortion, and reduction of vehicle HUD versatility.

Active Publication Date: 2021-03-30
ZHEJIANG CRYSTAL OPTECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003]At present, due to the curved surface characteristics of the windshield, the human eye observes the image as a distorted image with distortion
In the prior art, in order to solve the problem of image distortion so that the human eye can obtain clearer image information, the principle of adapting HUD to windshields with different curvatures is usually adopted. However, existing methods for improving HUD display The way of effect will reduce the versatility of vehicle HUD, and it is not conducive to the application and promotion of HUD system

Method used

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Embodiment Construction

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0035] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention discloses a head-up display and an image correction method thereof and relates to the technical field of head-up display. The image correction method of the head-up display comprises thefollowing steps: collecting a standard projection image of the head-up display and an initial projection image after projection of the standard projection image; converting the position of the central origin of the initial projection image in the initial projection image into the position in the standard projection image; calculating the scaling of the initial projection image relative to the standard projection image according to the standard projection image and the initial projection image; converting the coordinates of each feature point of the initial projection image into coordinates ina standard projection image according to the scaling; obtaining a distortion relational expression of the initial projection image relative to the standard projection image; and correcting the standard projection image according to the distortion relational expression to obtain a corrected image. According to the image correction method of the head-up display, the display image of the head-up display can be corrected, and the universality of the head-up display can be improved.

Description

technical field [0001] The present invention relates to the technical field of head-up display, in particular to a head-up display and an image correction method thereof. Background technique [0002] A Head Up Display (HUD for short), also known as a Head Up Display, has been widely used in the field of automobiles. HUD uses the principle of optical reflection to image the information displayed on the instrument such as the speed and navigation of the driver during driving on the windshield in front of the driver through imaging equipment, so that the driver can check it without turning or bowing his head. Vehicle information, focus more on observing the road conditions, thereby improving driving safety. [0003] At present, due to the curved surface characteristics of the windshield, the human eye observes an image as a distorted and distorted image. In the prior art, in order to solve the problem of image distortion so that the human eye can obtain clearer image informa...

Claims

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Application Information

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IPC IPC(8): H04N9/31G06T5/00G06T3/40G02B27/01
CPCH04N9/3179H04N9/3188H04N9/3185H04N9/3141G06T3/40G02B27/01G02B2027/014G06T5/80
Inventor 高晶晶姜豪刘风雷
Owner ZHEJIANG CRYSTAL OPTECH
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