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Eye tracking device and auxiliary light source control method and related device

An auxiliary light source and eye tracking technology, which is applied in the field of human-computer interaction, can solve the problems of eyeball image smearing and heating, and achieve the effects of reducing power consumption, shortening turn-on time, improving imaging quality and eye tracking accuracy

Active Publication Date: 2021-01-05
HUAWEI TECH CO LTD
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Problems solved by technology

[0003] The technical problem to be solved by the embodiments of the present invention is to provide an eye tracking device and its auxiliary light source control method, a control device, and a non-volatile computer-readable storage medium storing one or more programs to solve existing problems. In the technology, the auxiliary light source is turned on for a long time, which leads to serious heating and smearing of the eye image due to bumps, so as to reduce the power consumption of the eye tracking device, improve the imaging quality of the eye image and the accuracy of eye tracking

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  • Eye tracking device and auxiliary light source control method and related device
  • Eye tracking device and auxiliary light source control method and related device
  • Eye tracking device and auxiliary light source control method and related device

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Embodiment Construction

[0055] 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.

[0056] The first embodiment of the present invention provides an eye tracking device 100, which is applied to smart terminals (not shown) such as smart phones and tablet computers, so as to control the smart terminal by tracking the movement trajectory of the eyeballs, thereby realizing eye tracking based Human-computer interaction, for example, controls operations such as page turning, scrolling, and multimedia playback of the smart terminal, and the operation func...

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Abstract

An eye tracking device (100), comprising a processor (110), an infrared camera (130) and an auxiliary light source (150); the processor (110) is electrically connected to the infrared camera (130) and the auxiliary light source (150) ; The infrared camera (130) is used to output a frame synchronization signal; the processor (110) is used to receive the frame synchronization signal; according to the frame synchronization signal, the auxiliary light source (150) is controlled to continuously output infrared auxiliary light; control the infrared camera (130) to expose in the preset time period; the duration of the preset time period is less than the frame period, and the frame period is the cycle period of the frame synchronization signal. A method for controlling an auxiliary light source (150) of an eye tracking device (100), a control device (300), and a non-volatile computer-readable storage medium storing one or more programs. The eyeball tracking device (100) has low power consumption and can effectively improve the imaging quality of eyeball images.

Description

technical field [0001] The present invention relates to the field of human-computer interaction, in particular to an eye tracking device and its auxiliary light source control method, a control device and a non-volatile computer-readable storage medium storing one or more programs. Background technique [0002] With the development of human-computer interaction technology, in intelligent terminals such as smart phones and tablet computers, simple operations such as controlling the page turning of e-books and web page scrolling through eye tracking have been realized. At present, eye tracking technology is mainly reflected in three aspects: one is to track according to the feature changes of the eyeball and its surroundings; the other is to track according to the change of iris angle; the third is to actively project infrared light beams to the iris to extract features. Among them, the eye tracking technology that actively projects infrared beams to the iris to extract featur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/20
CPCG06V10/10
Inventor 刘峰
Owner HUAWEI TECH CO LTD
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