Image rendering method applied to fusion electrostatic force and air pressure film tactile reproduction device
A tactile reproduction and image rendering technology, applied in the field of image rendering integrating electrostatic force and air pressure film tactile reproduction device, can solve the problem of lack of image tactile reproduction method and so on
Active Publication Date: 2021-04-16
JILIN UNIV
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[0008] The present invention proposes an image rendering method applied to fusion electrostatic force and air pressure film tactile reproduction device to solve the problem of lack of image tactile reproduction method
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[0074] Such as figure 1 As shown, the tactile reproduction device integrating electrostatic force and air pressure film, the structure includes:
[0075] (1) Positioning unit 11: comprise the device that realizes positioning function, its effect is to read the position coordinates of finger pad on the multimedia terminal screen in real time, and this position coordinate information is sent to touch processing unit;
[0076] (2) Tactile processing unit 12: including a multimedia terminal, its function is to present visual information, and render the visual information to obtain the electrostatic force driving signal amplitude parameter matrix and the vibration driving signal amplitude parameter matrix, and then select the electrostatic force according to the position coordinate information The driving signal amplitude parameter and the vibration driving signal amplitude parameter are sent to the driving unit;
[0077] (3) Drive unit 13: including a signal generator 131, the si...
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The invention relates to an image rendering method applied to a fusion electrostatic force and air pressure film tactile reproduction device, which belongs to the field of virtual reality and human-computer interaction. Starting from the contour and texture of the image: first establish the mapping model between the tangential tactile feedback force and the electrostatic force and the amplitude of the air pressure film, and the perception model between the frequency of the electrostatic force and the perceived roughness, and then according to the gradient information of the contour Indicates the speed of change, showing concave-convexity, can represent the general trend of the image, and establish a rendering model between the tangential tactile feedback force and the gradient information of the image contour; the height information of the texture represents the roughness of the texture surface, and establishes the roughness perception intensity The model between the height information of the image texture and the height information of the image realizes the tactile reproduction of the image outline and texture, effectively improves the realism of the tactile reproduction of the visual object, and is more in line with human subjective psychological feelings, so that the tactile reproduction effect is better.
Description
technical field [0001] The invention belongs to the field of virtual reality and human-computer interaction, and in particular relates to an image rendering method applied to a fusion electrostatic force and air pressure film tactile reproduction device. Background technique [0002] The multimedia terminal with tactile reproduction function is a research hotspot in the world in recent years, and has important application prospects in the fields of e-commerce, education and entertainment, and the visually impaired. The multimedia tactile reproduction terminal can allow users to perceive the shape, texture and softness of the displayed object through touch, and push the communication between human beings and the virtual world to a new stage of fusion of hearing, vision and touch, which will generate huge economic benefits. [0003] The tactile reproduction technologies currently applied to mobile terminals mainly include: (1) The tactile reproduction technology based on elect...
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IPC IPC(8): G06F3/01G06F3/044G06T15/20G06T7/40G06T7/13G06T7/90G06T5/00
CPCG06F3/016G06F3/044G06T15/205G06T7/40G06T7/13G06T7/90G06T5/70
Inventor 孙晓颖张晨刘国红孙作为祝双运宋瑞
Owner JILIN UNIV