Point cloud data transmitting device, point cloud data transmitting method, point cloud data receiving device, and point cloud data receiving method

1. A method of transmitting point cloud data by an apparatus, the method comprising:

encoding the point cloud data;

encapsulating the encoded point cloud data into a file,

wherein the file includes multiple tracks,

wherein a track of the multiple tracks includes a sample entry including a parameter set for the point cloud data, the parameter set including identification information that provides an identifier for the parameter set, frame width information that indicates a frame width, and frame height information that indicates a frame height,

wherein a track of the multiple tracks includes a sample entry including information for a bounding box of the point cloud data, and

wherein the information for the bounding box includes position information of the bounding box and information for a scale of the bounding box; and

transmitting the file.

2. The method of claim 1 , wherein the information for the scale of the bounding box includes x extension information, y extension information, and z extension information of the bounding box.

3. The method of claim 1 , wherein the position information of the bounding box includes an X offset, a Y offset, a Z offset, a width, a height, a depth of the bounding box for the point cloud data, and

wherein the bounding box is static.

4. An apparatus for transmitting point cloud data, the apparatus comprising:

an encoder configured to encode the point cloud data,

an encapsulator configured to encapsulate the encoded point cloud data into a file,

wherein the file includes multiple tracks,

wherein a track of the multiple tracks includes a sample entry including a parameter set for the point cloud data, the parameter set including identification information that provides an identifier for the parameter set, frame width information that indicates a frame width, and frame height information that indicates a frame height,

wherein a track of the multiple tracks includes a sample entry including information for a bounding box of the point cloud data, and

wherein the information for the bounding box includes position information of the bounding box and information for a scale of the bounding box; and

a transmitter configured to transmit the file.

5. The apparatus of claim 4 , wherein the information for the scale of the bounding box further includes x extension information, y extension information, and z extension information of the bounding box.

6. The apparatus of claim 4 , wherein the position information of the bounding box includes an X offset, a Y offset, a Z offset, a width, a height, a depth of the bounding box for the point cloud data, and

wherein the bounding box is static.

7. A method of receiving point cloud data by an apparatus, the method comprising:

receiving a file including the point cloud data;

decapsulating the file into the point cloud data,

wherein the file includes multiple tracks,

wherein a track of the multiple tracks includes a sample entry including a parameter set for the point cloud data, the parameter set including identification information that provides an identifier for the parameter set, frame width information that indicates a frame width, and frame height information that indicates a frame height,

wherein a track of the multiple tracks includes information for a bounding box of the point cloud data, and

wherein the information for the bounding box includes position information of the bounding box and information for a scale of the bounding box;

decoding the point cloud data; and

rendering the decoded point cloud data.

8. The method of claim 7 , wherein the information for the scale of the bounding box includes x extension information, y extension information, and z extension information of the bounding box.

9. The method of claim 7 , wherein the position information of the bounding box includes an X offset, a Y offset, a Z offset, a width, a height, a depth of the bounding box for the point cloud data, and

wherein the bounding box is static.

10. An apparatus for receiving point cloud data, the apparatus comprising:

a receiver configured to receive a file including the point cloud data;

a decapsulator configured to decapsulate the file into the point cloud data,

wherein the file includes multiple tracks,

wherein a track of the multiple tracks includes a sample entry including a parameter set for the point cloud data, the parameter set including identification information that provides an identifier for the parameter set, frame width information that indicates a frame width, and frame height information that indicates a frame height,

wherein a track of the multiple tracks includes information for a bounding box of the point cloud data, and

wherein the information for the bounding box includes position information of the bounding box and information for a scale of the bounding box;

a decoder configured to decode the point cloud data; and

a renderer configured to render the decoded point cloud data.

11. The apparatus of claim 10 , wherein the information for the scale of the bounding box includes x extension information, y extension information, and z extension information of the bounding box.

12. The apparatus of claim 10 , wherein the position information of the bounding box includes an X offset, a Y offset, a Z offset, a width, a height, a depth of the bounding box for the point cloud data, and

wherein the bounding box is static.