Head-mounted wireless video eye tracker

A wireless video and eye tracker technology, used in eye testing equipment, medical science, diagnosis, etc., to achieve the effect of enhancing ease-of-use performance and instrument independence

Inactive Publication Date: 2012-08-08
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the defects of various existing eye trackers, the

Method used

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  • Head-mounted wireless video eye tracker
  • Head-mounted wireless video eye tracker

Examples

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing, give a non-limiting example and further illustrate the present invention.

[0021] A helmet-type wireless video eye tracker includes a helmet 4, a core circuit board 1 arranged in the helmet 4, a display system 2, a camera system I 3.1 and a camera system II 3.2.

[0022] Wherein: the core circuit board 1 includes battery power supply 1.1, video encoding 1.2, video decoding I 1.31, video decoding II 1.32, processor 1.4, DC-DC 1.5, wireless transmission module 1.9 and memory 1.10; the battery The power supply 1.1 directly supplies power to the display system 2 and the camera system, the battery power supply 1.1 is provided by a 9V rechargeable battery, and the battery power supply 1.1 also converts 9V to 3.7V through DC-DC1.5 to supply power to the processor 1.4.

[0023] The processor 1.4 encodes the dynamic visual stimulation images stored in the memory 1.10 through the video encoding 1.2, and displays them on the display...

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Abstract

The invention relates to a head-mounted wireless video eye tracker which is independently designed. Information is exchanged through analysis software of a wireless router and a computer without any peripheral cable connection. Multiple technologies such as an embedded system, image compression and a wireless local area network are comprehensively applied for the head-mounted wireless video eye tracker, eye movement video information is obtained by applying camera with an infrared LED illumination, image compression is completed through a digital signal processor (DSP) chip after the eye movement video information is decoded, then the decoded eye movement video information is transmitted to the computer by the wireless router through the wireless transmission module, a control signal sent by the analysis software of the computer, a corresponding visual stimulation dynamic image is generated, and is displayed through video eyeglasses arranged on a helmet to guide a subject for generating eye tracking information. The analysis software running on the computer also realizes image decompression and pupil location to obtain eyeball movement locus, so that multiple test items are tested.

Description

technical field [0001] The present invention relates to a wireless video eye tracker, in particular to a helmet-mounted wireless video eye tracker with comprehensive application of embedded systems, image compression technology, wireless local area network technology, and eye tracking technology, which is obtained by using a camera with infrared LED lighting. Eye movement video, after decoding, the image compression is completed by the digital signal processor (DSP) chip, and transmitted to the main computer in the wireless LAN through the WIFI module to realize eyeball positioning and tracking, and receive the control signal sent by the host to generate corresponding visual stimulation dynamics Images, displayed by video glasses mounted on the helmet, to complete the testing of various experimental items. Background technique [0002] With the development of image analysis technology, eye positioning and tracking technology has gradually matured and become practical. A var...

Claims

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Application Information

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IPC IPC(8): A61B3/113A61B3/14
Inventor 毛玉星苗伽略毛靖淅何为杜震宇
Owner CHONGQING UNIV
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