Data transmission method, method of displaying three-dimensional image, data transmission device and three-dimensional image display device

1. A data transmission method, applied to a terminal, comprising:

performing a phase decomposition on a preset three-dimensional model that is to be displayed by a volumetric three-dimensional display device to generate a plurality of phase images;

acquiring position information and color information of pixels in the plurality of phase images; and

sending image data comprising the position information and the color information of the pixels in the plurality of phase images to the volumetric three-dimensional display device for displaying a three-dimensional image representing the preset three-dimensional model;

wherein the performing the phase decomposition on the preset three-dimensional model to generate the plurality of phase images further comprises:

decomposing the preset three-dimensional model into a preset number of phase planes according to a screen refresh rate of the terminal, wherein the preset number of phase planes are in one-to-one correspondence with the plurality of phase images;

acquiring a tangent line between each of the phase planes and an outer surface of the preset three-dimensional model; and

generating a phase image in the plurality of phase images corresponding to each of the phase planes according to the tangent line corresponding to each of the phase planes, wherein the generated phase image comprises only the tangent line;

wherein each of the plurality of phase images is to be mapped to the volumetric three-dimensional display screen that rotates, so that each of the plurality of phase images is rotated a predetermined degree within 1 second.

2. The method according to claim 1 , wherein the sending the position information and the color information of the pixels in the plurality of phase images to the volumetric three-dimensional display device further comprises:

encoding the position information and the color information of each of the phase images to obtain encoded image data corresponding to each of the phase image; and

sending the encoded image data corresponding to each of the phase image to the volumetric three-dimensional display device.

3. The method according to claim 1 , wherein the respective phase plane is included in a preset number of phase planes, and the preset number of phase planes intersect with each other at a same line, the preset number is greater than 3.

4. The method according to claim 1 , wherein the respective phase plane is included in a preset number of phase planes, and the preset number of phase planes intersect with each other at a same line, the preset number is greater than 3.

5. The method according to claim 1 , wherein the sending the position information and the color information of the pixels in the plurality of phase images to the volumetric three-dimensional display device comprises:

sending position information and the color information of pixels for the tangent line only without sending position information and color information of pixels for regions other than the tangent line.

6. A method of displaying three-dimensional image, applied to a volumetric three-dimensional display device, comprising:

receiving image data of a three-dimensional image representing a preset three-dimensional model to be displayed;

acquiring position information and color information of pixels in the image data,

wherein the pixels are from a plurality of phase images which is generated based on the preset three-dimensional model; and

generating and displaying the three-dimensional image, according to the position information and the color information of the pixels,

wherein the generating and displaying the three-dimensional image, according to the position information and the color information of the pixels further comprises:

generating the plurality of phase images according to the position information and the color information of the pixels, and

mapping the plurality of phase images to a volumetric three-dimensional display screen that rotates, so that the plurality of phase images is rotated a predetermined degree within 1 second;

wherein the plurality of phase images each comprises only pixels for a tangent line between a corresponding phase plane and an outer surface of the preset three-dimensional model, the corresponding phase plane is one of a preset number of phase planes generated by decomposing the preset three-dimensional model.

7. The method according to claim 6 , wherein the acquiring the position information and the color information of the pixels in the image data further comprises:

decoding the image data to obtain decoded image data;

acquiring the position information and the color information of the pixels from the decoded image data.

8. The method according to claim 6 , wherein the receiving image data of the three-dimensional image representing the preset three-dimensional model to be displayed comprises:

receiving position information and the color information of pixels for the tangent line only without receiving position information and color information of pixels for regions other than the tangent line.

9. A data transmission device, applied to a terminal, comprising:

a phase image generation circuit, configured to perform a phase decomposition on a preset three-dimensional model that is to be displayed by a volumetric three-dimensional display device to generate a plurality of phase images;

a first position color acquisition circuit, configured to acquire position information and color information of pixels in the plurality of phase images; and

an image data transmission circuit, configured to send image data comprising the position information and the color information of the pixels in the plurality of phase images to the volumetric three-dimensional display device for displaying a three-dimensional image representing the preset three-dimensional model;

wherein the phase image generation circuit further comprises:

a phase plane decomposition sub-circuit, configured to decompose the preset three-dimensional model into a preset number of phase planes according to a screen refresh rate of the terminal, wherein the preset number of phase planes are in one-to-one correspondence with the plurality of phase images;

a tangent acquiring sub-circuit, configured to acquire a tangent between each of the phase planes and the preset three-dimensional model; and

a phase image generation sub-circuit, configured to generate the phase image corresponding to each of the phase planes according to the tangent line corresponding to each of the phase planes, wherein the generated phase image comprises only the tangent line;

wherein each of the plurality of phase images is to be mapped to the volumetric three-dimensional display screen that rotates, so that each of the plurality of phase images is rotated a predetermined degree within 1 second.

10. The data transmission device according to claim 9 , wherein the image data transmission circuit further comprises:

an encoded data acquisition sub-circuit, configured to encode the position information and the color information of each of the phase images to obtain encoded image data corresponding to each of the phase image; and

an image data transmission sub-circuit, configured to send the encoded image data corresponding to each of the phase image to the volumetric three-dimensional display device.

11. The data transmission device according to claim 9 , wherein the image data transmission circuit is further configured to:

send position information and the color information of pixels for the tangent line only without sending position information and color information of pixels for regions other than the tangent line.

12. A three-dimensional image display device, configured to display the image data sent by the data transmission device according to claim 9 , comprising:

an image data receiving circuit, configured to receive image data of a three-dimensional image representing a preset three-dimensional model to be displayed;

a second position color acquisition circuit, configured to acquire position information and color information of pixels in the image data,

wherein the pixels are from a plurality of phase images which is generated based on the preset three-dimensional model; and

a three-dimensional image display circuit, configured to generate and display the three-dimensional image, according to the position information and the color information of the pixels;

wherein the three-dimensional image display circuit further comprises:

a phase image generation sub-circuit, configured to generate the plurality of phase images according to the position information and the color information of the pixels; and

a three-dimensional image display sub-circuit, configured to map the plurality of phase images to a volumetric three-dimensional display screen that rotates, so that the plurality of phase images is rotated a predetermined degree within 1 second;

wherein the plurality of phase images each comprises only pixels for a tangent line between a corresponding phase plane and an outer surface of the preset three-dimensional model, the corresponding phase plane is one of a preset number of phase planes generated by decomposing the preset three-dimensional model.

13. The three-dimensional image display device according to claim 12 , wherein the second position color acquisition circuit further comprises:

a decoding image data acquiring sub-circuit, configured to decode the image data to obtain decoded image data;

a position color information acquisition sub-circuit, configured to acquire the position information and the color information of the pixels from the decoded image data.

14. The three-dimensional image display device according to claim 12 , wherein the image data receiving circuit is further configured to:

receive position information and the color information of pixels for the tangent line only without receiving position information and color information of pixels for regions other than the tangent line.

15. An electronic device, comprising:

a processor, a memory and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to perform the data transmission method according to claim 1 .

16. An electronic device, comprising:

a processor, a memory and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to perform the three-dimensional image display method according to claim 6 .