IP Library › Granted Patent US 10,318,976
Granted Patent B2
US 10,318,976 · App. 15/204,206 · Granted Jun 11, 2019

Methods for determining measurement data of an item

Inventor: Christopher Joseph Hendrick (Rogers, AR)
Assignee: WALMART APOLLO, LLC
G06Q30/0207G07G1/00G01G17/00
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Quick Facts
Patent No.
US 10,318,976
App. No.
15/204,206
Granted
Jun 11, 2019
Kind
B2
Abstract

Provided are a system and method for determining a weight of an item for purchase, comprising determining from a digital image of an item generated by a single camera a volume of the item, the single camera separated from the item at a distance in a horizontal and vertical direction established by a stationary rigid fixture; identifying the item; accessing a database to determine an average weight per volume measurement unit of the identified item; and calculating a weight of the item from the volume and the average weight per volume measurement unit.

Claims (27)

1. A method for determining a weight of an item for purchase, comprising:

determining from a digital image of an non-symmetrical shaped item generated by a single camera a volume of the item in a stationary position on a stationary base, the single camera in front of the item in a stationary position and separated from the item at a distance in a horizontal and vertical direction established by a stationary rigid fixture, a first mirror on one side of the item, a second mirror on another side of the item, wherein determining the volume of the item comprises:

determining a resolution of the single camera;

determining a pixel characteristic relative to the item in response to determining the resolution of the single camera;

capturing by the single camera a front facing image of the item;

determining from a number of pixels in the front facing image a first area of the item;

capturing by the single camera a right view image of the item reflected by the first mirror;

determining from a number of pixels in the right view image a second area of the item;

capturing by the single camera a left view image of the item reflected by the second mirror;

determining from a number of pixels in the left view image a third area of the item;

determining an average area of the first, second, and third areas;

determining a first width of the item from the front facing image;

determining a second width of the item from the right view image;

determining a third width of the item from the left view image;

determining an average depth of the item from an average width of the first, second, and third widths;

determining the volume of the item from the average depth and the average area;

identifying the item using an optical recognition apparatus;

accessing a database to retrieve an average weight per volume measurement unit of the identified item; and

calculating a weight of the item from the volume and the average weight per volume measurement unit.

2. The method of claim 1 , wherein the height is determined by multiplying an apparent height and a factor of a distance of the item from the camera and a pitch of the camera to the item.

3. The method of claim 1 , wherein determining a height of the item includes determining the resolution of the camera, and determining a correction ratio of pixel to millimeters.

4. The method of claim 1 , wherein determining the volume further comprises calculating a distance from the camera to the item by locking a focal length of the camera to a particular distance to provide a constant distance for applications for the basis of all other calculations.

5. The method of claim 1 , wherein the item is identified systematically, optically, or manually.

6. The method of claim 1 , further comprising:

positioning the item on an apparatus having stationary base and the stationary rigid fixture;

positioning the single camera on the stationary rigid fixture a predetermined distance from the item; and

generating a digital image including the front facing image, the left view image, and the right view image of the item.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 27, 2018
From: WAL-MART STORES, INC.
To: WALMART APOLLO, LLC
Reel/Frame 045741/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 2, 2018
From: HENDRICK, CHRISTOPHER JOSEPH
To: WAL-MART STORES, INC.
Reel/Frame 045091/0095 →
Continuity (2)
Provisional Application 62197657 · Jul 28, 2015
Related Publication 20170030766A1 · Feb 2, 2017
Cited By (1)
US 12,262,986