公开(公告)号：US10466092B1

公开(公告)日：2019-11-05

申请号：US14576263

申请日：2014-12-19

Applicant: AMAZON TECHNOLOGIES, INC.

Inventor： Navid Shiee ,  Kun Qian ,  Gopi Prashanth Gopal ,  Ohil Krishnamurthy Manyam ,  Connor Spencer Blue Worley

IPC: G01G15/00 ,  G01G19/00 ,  G06Q10/08

Abstract: Described are systems for processing sensor data obtained from a sensor such as a weight sensor. In one implementation, a line may be fit to a set of sensor data occurring during a window of time. A slope value of the line may be calculated and provided as input to a change detector. The change detector may implement a cumulative sum (CUSUM) algorithm to determine when the slope value is indicative of a stable or unstable state. Values of sensor data associated with times indicated as having a stable state may be used to determine weight data.

公开(公告)号：US10262293B1

公开(公告)日：2019-04-16

申请号：US14747553

申请日：2015-06-23

Applicant: AMAZON TECHNOLOGIES, INC.

Inventor： Alexander Clark Prater ,  Ivan Avramov ,  Ismael Medrano ,  Benjamin Lloyd Shapiro ,  Navid Shiee ,  Brett Allen Skaloud

IPC: G06Q10/08 ,  G06N5/04

Abstract: An inventory location such as a shelf may be used to stow different types of items. The shelf may be equipped with a plurality of lanes arranged parallel to one another. Items may rest upon two or more of the lanes. Each lane includes a weight sensor that provides weight data about a load on the lane. Based on the weight data and item data indicative of individual weights of those items stowed on the shelf, interaction data indicative of an activity such as a pick or place of an item may be determined. The interaction data may specify what item was picked or placed, quantity of that item that was picked or placed, and so forth. Data from other sensors, such as a camera, may be used to determine the interaction data.