# US 10,769,576 B2 · Method and system for cargo load detection > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,769,576 B2 - Document ID: US10769576B2 - Status: Granted - Kind: B2 - Application number: 16/419,906 - Filed: 2019-05-22 - Published: 2019-09-05 - Granted: 2020-09-08 - Earliest claimed: 2018-01-22 - Assignees: BlackBerry Limited - Applicants: BlackBerry Limited - Inventors: Jesse William Bennett; Zhijun Cai; Sandeep Chennakeshu; Scott Leonard Dill; Mahendra Fuleshwar Prasad; Yu Gao - Web page: https://patentgrep.com/patent/US10769576B2 ## CPC - G06Q 10/08: Logistics, e.g. warehousing, loading or distribution; Inventory or stock management - G01F 23/2928: {using light reflected on the material surface} - G01S 17/04: Systems determining the presence of a target - G01S 17/89: for mapping or imaging - G06Q 10/0833: Tracking - G06V 10/245: {by locating a pattern; Special marks for positioning} - H04N 7/181: {for receiving images from a plurality of remote sources} - G06T 2207/30204: Marker - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - G01F: MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ## Abstract A method for cargo load detection in a container by a computing device, the method including projecting at least one light dot within an array of light dots towards a surface of the container; capturing an image of the at least one light dot on the surface of the container; and using the captured image to determine cargo loading within the container. ## Claims ### Claim 1 A method for cargo load detection in a container by a computing device, the method comprising: capturing a first image of an interior of the container when the container is empty; detecting a first set of edges within the first image; capturing a second image of the interior of the container; detecting a second set of edges within the second image; and determining cargo loading within the container by comparing the first set of edges with the second set of edges, the comparing comprising determining that a missing portion of at least one edge within the first set is missing from the second set, wherein the determining is based on a ratio of a length of the missing portion to a length of the at least one edge. ### Claim 2 (depends on 1) The method of claim 1, wherein the determining is based on a length of the missing portion. ### Claim 3 (depends on 1) The method of claim 1, wherein the determining is based on a location of the missing portion. ### Claim 4 (depends on 1) The method of claim 1, wherein the determining identifies a size and a location of a load. ### Claim 5 (depends on 1) The method of claim 1, further comprising transmitting the second image to a server; wherein the server performs the determining. ### Claim 6 (depends on 1) The method of claim 1, wherein the first image and the second image are captured by a camera located at a rear of the container projecting forward. ### Claim 7 (depends on 1) The method of claim 1, wherein the first image and the second image are captured by a camera located at a front of the container projecting backwards. ### Claim 8 A computing device for cargo load detection in a container, the computing device comprising: a processor; and a communications subsystem; wherein the computing device is configured to: capture a first image of an interior of the container when the container is empty; detect a first set of edges within the first image; capture a second image of the interior of the container; detect a second set of edges within the second image; and determine cargo loading within the container by comparing the first set of edges with the second set of edges, the comparing comprising determining that a missing portion of at least one edge within the first set is missing from the second set, wherein the determining is based on a ratio of a length of the missing portion to a length of the at least one edge. ### Claim 9 (depends on 8) The computing device of claim 8, wherein the determining is based on a length of the missing portion. ### Claim 10 (depends on 8) The computing device of claim 8, wherein the determining is based on a location of the missing portion. ### Claim 11 (depends on 8) The computing device of claim 8, wherein the determining identifies a size and a location of a load. ### Claim 12 (depends on 8) The computing device of claim 8, wherein the computing device is further configured to transmit the second image to a server; wherein the server performs the determining. ### Claim 13 (depends on 8) The computing device of claim 8, wherein the first image and the second image are captured by a camera located at a rear of the container projecting forward. ### Claim 14 (depends on 8) The computing device of claim 8, wherein the first image and the second image are captured by a camera located at a front of the container projecting backwards. ### Claim 15 A non-transitory computer-readable medium having stored thereon executable code for execution by a processor of a computing device, the executable code comprising instructions for capturing a first image of an interior of the container when the container is empty; detecting a first set of edges within the first image; capturing a second image of the interior of the container; detecting a second set of edges within the second image; and determining cargo loading within the container by comparing the first set of edges with the second set of edges, the comparing comprising determining that a missing portion of at least one edge within the first set is missing from the second set, wherein the determining is based on a ratio of a length of the missing portion to a length of the at least one edge.