Micro projection computer and method for controlling micro projection computer to perform page turning by utilizing gesture
A technology of micro-projection and gesture control, which is applied in the input/output of user/computer interaction, electrical digital data processing, and input/output process of data processing, etc. Convenience and the effect of reducing the size of the computer
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Embodiment 1
[0028] figure 1 and figure 2 A miniature projection computer showing an embodiment of the present invention includes: a computer module 101, a projection keyboard module 102 and a projection screen module 103;
[0029] The computer module 101 is used to run computer systems and application programs;
[0030] The projection keyboard module 102 projects a virtual keyboard 104 on a horizontal plane around the miniature projection computer, and simultaneously converts the user's operation gestures on the virtual keyboard 104 into input instructions and sends them to the computer module 101; A consistent surface, such as a tabletop.
[0031] The projection screen module 103 projects the display signal of the computer module 101 on a vertical plane around the micro-projection computer as the screen 105 of the micro-projection computer, and simultaneously captures the user's page-turning gesture operation, and sends the page-turning instruction to the computer module 101. The ab...
Embodiment 2
[0035] This embodiment is basically the same as Embodiment 1, and the difference is that the projection keyboard module 102, in this embodiment, the projection keyboard module 102 includes a keyboard projection unit 201, a keyboard image acquisition unit 202, a first processing unit 204 and an inline infrared ray emission Unit 203; the inline infrared emitting unit 203 emits the inline infrared parallel to the keyboard, and the keyboard image acquisition unit 202 is covered with an infrared bandpass filter, and the infrared bandpass filter is only limited to the inline infrared wavelength The same infrared rays pass through, and the keyboard image acquisition unit 202 only collects infrared images. The infrared band-pass filter can filter out light of other wavelengths, thereby avoiding interference information of other images and reducing the calculation amount of the first processing unit.
Embodiment 3
[0037] This embodiment is an embodiment of gesture page turning operation. combine figure 1 , figure 2 and image 3 The method for using gestures to control the micro-projection computer to turn pages in an embodiment is described:
[0038] Step 1, the depth image acquisition unit 206 acquires a depth image, and sends the depth image to the second processing unit 209, and the infrared image acquisition unit 207 acquires an infrared image, and sends the infrared image to the second processing unit 209;
[0039] Step 2: After receiving the depth image and the infrared image, the second processing unit 209 combines the above two images, obtains the geometric center of the palm making the page-turning gesture through image morphology operations, and tracks the position of the geometric center to obtain motion features value;
[0040] Step 3. Identify the waving direction of the palm through the motion feature value. For example, if the waving direction is facing the left dire...
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