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Head-mounted display device, object tracking device and object tracking method thereof

A technology for tracking devices and objects, applied in optical components, instruments, optics, etc., can solve problems such as eye tracking error, reduce eye tracking accuracy, etc., and achieve the effect of improving accuracy

Active Publication Date: 2021-03-30
HTC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These conditions may cause errors in eye tracking movements and reduce the accuracy of eye tracking

Method used

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  • Head-mounted display device, object tracking device and object tracking method thereof
  • Head-mounted display device, object tracking device and object tracking method thereof
  • Head-mounted display device, object tracking device and object tracking method thereof

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Embodiment Construction

[0035] Please refer to figure 1 , figure 1 It is a schematic diagram of an object tracking device according to an embodiment of the present invention. In this embodiment, the object tracking device 100 is used to track the position of the eyeball OBJ of the eye 101 . The object tracking device 100 includes a lens 110 , a light splitting element 120 , a programmable light source 130 and an image extractor 140 . The lens 110 is arranged on the axis AX1 for generating the detection beam DB and projecting the detection beam DB to the object (eyeball OBJ). And by detecting the light beam DB, a corresponding reflection phenomenon is generated on the eyeball OBJ. The light splitting element 120 and the lens 110 are arranged on the axis AX1, wherein the lens 110 is arranged between the eyeball OBJ and the light splitting element 120, and the axis AX1 can pass through the geometric center of the lens 110 and the light splitting element 120. In addition, the programmable light sourc...

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Abstract

The invention discloses a head-mounted display device, an object tracking device and an object tracking method. The object tracking device includes a lens, a spectroscopic element, a programmable light source and an image extractor. The lens generates and projects a detection beam onto the object. Programmable light sources have multiple sub-light sources. The sub-light source is used to project multiple light beams to multiple different positions of the light splitting element. The programmable light source receives the driving signal and adjusts the lighting state of each sub-light source according to the driving signal. The image extractor extracts the detection image of the object. The spectroscopic element receives at least one of the light beams, generates at least one reflected light beam to the lens, and causes the lens to generate a detection light beam.

Description

technical field [0001] The present invention relates to a head-mounted display device, an object tracking device and an object tracking method thereof, and in particular to an adaptively adjustable object tracking device and an object tracking method. Background technique [0002] In today's technology field, eye tracking technology is often applied in electronic products. In virtual reality display technology, eye tracking technology is often cited. The virtual reality display can generate foveated rendering (Foveated Rendering) function through the eye-tracking technology, so as to reduce the calculation amount in the image processing, and reduce the system requirements of the virtual reality display device, so as to provide a better human-computer interaction interface. [0003] In the existing technical field, since the user keeps closing the eyes, the pupil reflection light spot on the eyeball is blocked. Alternatively, eyelashes or ornaments on the eyes may also caus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/00G02B27/01
CPCG02B27/0093G02B27/017G02B27/0172
Inventor 萧博文范富诚
Owner HTC CORP