Image tilt correction method and computer-readable storage medium
A tilt correction and storage medium technology, applied in the field of optical imaging, can solve the problems of poor picture stability, easy to be interfered by the external environment, and high requirements for holding methods, so as to achieve the effect of maintaining the scanning picture.
Active Publication Date: 2022-03-08
CHENGDU IDEALSEE TECH
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[0006] The object of the present invention is to provide an image tilt correction method and a computer-readable storage medium, which are used to solve the problems existing in the prior art. When a laser scanning imaging device is projecting, it has high requirements for the placement environment or the way the user holds it. The technical problem of being disturbed by the external environment and poor picture stability
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[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0034] In the embodiment of the present invention, the laser scanning device refers to an imaging device with laser scanning imaging (such as MEMS scanning imaging, optical fiber scanning imaging, etc.) as the core optical display system, and the scanning direction of the laser scanning device is determined by the structure and Corresponding to the placement direction, the laser scanning device can be a two-dimensional scanning device, such as: XY scanning driver, c...
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The invention discloses an image tilt correction method and a computer-readable storage medium. The method includes: obtaining the tilt angle between the current scanning direction and the standard scanning direction of a laser scanning device; According to the standard scanning track, calculate the track to be scanned by the laser scanning device in the current scanning direction; determine the driving signal corresponding to the track to be scanned according to the track to be scanned, and based on the track to be scanned The corresponding driving signal drives the laser scanning device. The above-mentioned solution is used to solve the technical problems existing in the prior art. When the laser scanning imaging device is projecting, it has high requirements on the placement environment or the way the user holds it, is easily disturbed by the external environment, and has poor picture stability. When the projection angle is tilted due to external environment interference, the scanning picture can be kept stable by controlling the driving signal.
Description
technical field [0001] The invention relates to the field of optical imaging, in particular to an image tilt correction method and a computer-readable storage medium. Background technique [0002] Compared with traditional projection display equipment, laser scanning imaging equipment with laser scanning imaging (such as optical fiber scanning imaging, MEMS (Micro-Electro-Mechanical Systems; Micro-Electro-Mechanical Systems) scanning imaging, etc.) as the core optical display system has a prominent advantage. Smaller in size, it can be integrated into various handheld devices, such as: embedded in a mobile phone, or made into an independent centimeter-sized micro-projector, so that users can carry it with them and perform projection display anytime, anywhere. [0003] For laser scanning imaging equipment, the length and width directions of the projection screen correspond to the structure and placement direction of the scanner in the laser scanning imaging equipment. When th...
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IPC IPC(8): G06T5/00
CPCG06T2207/30176G06T2207/10008G06T5/80
Inventor 姚长呈周旭东
Owner CHENGDU IDEALSEE TECH