US 12,229,899 B2
Tracking device, head-mounted display device, and virtual reality system
Sheng-Hui Tao, Taoyuan (TW)
Assigned to HTC Corporation, Taoyuan (TW)
Filed by HTC Corporation, Taoyuan (TW)
Filed on Aug. 4, 2022, as Appl. No. 17/817,355.
Claims priority of provisional application 63/264,956, filed on Dec. 6, 2021.
Prior Publication US 2023/0177780 A1, Jun. 8, 2023
Int. Cl. G06T 19/00 (2011.01); G02B 27/01 (2006.01)
CPC G06T 19/006 (2013.01) [G02B 27/0101 (2013.01); G02B 2027/014 (2013.01); G02B 27/017 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A tracking device, communicatively connected to an HMD device (head-mounted display device), comprising:
a client processor, configured to obtain an initial map from the HMD device; and
a client memory, configured to store the initial map;
wherein the client processor is further configured to update the initial map stored in the client memory to generate a client map according to a host bundle adjustment data sent by the HMD device;
wherein the client processor is further configured to maintain a consistency between a host map and the client map according to the host bundle adjustment data;
wherein the host map is generated by updating the initial map according to the host bundle adjustment data.