US 12,190,534 B2
Object amount calculation apparatus and object amount calculation method
Masaki Fukuda, Osaka (JP); Toshiyasu Sugio, Osaka (JP); Toru Matsunobu, Osaka (JP); Satoshi Yoshikawa, Hyogo (JP); and Kensho Teranishi, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Aug. 27, 2021, as Appl. No. 17/459,219.
Application 17/459,219 is a continuation of application No. PCT/JP2020/006390, filed on Feb. 19, 2020.
Claims priority of provisional application 62/813,351, filed on Mar. 4, 2019.
Prior Publication US 2021/0390717 A1, Dec. 16, 2021
Int. Cl. G06T 7/33 (2017.01); G06T 17/00 (2006.01); G06T 19/20 (2011.01)
CPC G06T 7/344 (2017.01) [G06T 17/00 (2013.01); G06T 19/20 (2013.01); G06T 2207/20224 (2013.01); G06T 2219/2004 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An object amount calculation apparatus, comprising:
a receiver configured to obtain a first three-dimensional model and a second three-dimensional model different from the first three-dimensional model, each of the first three-dimensional model and the second three-dimensional model representing a same space, the first three-dimensional model corresponding to a first point in time and the second three-dimensional model corresponding to a point in time different from the first point in time, each of the first three-dimensional model and the second three-dimensional model being constituted with regions having respective attributes,
the object amount calculation apparatus further comprising:
a processor configured to:
extract at least one attribute of the first three-dimensional model and the second three-dimensional model;
align the first three-dimensional model and the second three-dimensional model based on the at least one attribute of the first three-dimensional model and the second three-dimensional model that has been extracted, wherein the at least one attribute is information indicating a result of recognition of an object type in a respective region in the first three-dimensional model and the second three-dimensional model;
calculate, for each of the attributes, a difference between the first three-dimensional model aligned and the second three-dimensional model aligned, wherein the difference includes an attribute of the first three-dimensional model and the second three-dimensional model that shows a change between the first three-dimensional model and the second three-dimensional model; and
output (i) a total amount of differences corresponding to two or more attributes among the attributes and (ii) information on the two or more attributes.