Using image data to calculate an object's weight
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06K-009/00
G06T-007/20
G01G-023/35
G06T-007/00
G06T-007/60
출원번호
US-0993169
(2016-01-12)
등록번호
US-10026187
(2018-07-17)
발명자
/ 주소
McCloskey, Scott
Lloyd, Ryan Andrew
출원인 / 주소
Hand Held Products, Inc.
대리인 / 주소
Additon, Higgins & Pendleton, P.A.
인용정보
피인용 횟수 :
0인용 특허 :
237
초록▼
Systems and methods for calculating the weight of an object are provided. In one implementation, an apparatus for calculating weight comprises an image capture device and a processing device. The image capture device is configured to capture a plurality of images of a platform configured to support
Systems and methods for calculating the weight of an object are provided. In one implementation, an apparatus for calculating weight comprises an image capture device and a processing device. The image capture device is configured to capture a plurality of images of a platform configured to support an object to be weighed, wherein the platform includes known pliability characteristics. The processing device is configured to calculate the weight of the object based on the plurality of images.
대표청구항▼
1. An apparatus for calculating weight, the apparatus comprising: an image capture device configured to capture one or more images comprising a view of a platform configured to support an object to be weighed, the platform having known pliability characteristics; anda processing device configured to
1. An apparatus for calculating weight, the apparatus comprising: an image capture device configured to capture one or more images comprising a view of a platform configured to support an object to be weighed, the platform having known pliability characteristics; anda processing device configured to: receive the one or more images comprising the view of the platform, the one or more images captured while the platform bears the weight of the object;ascertain an extent of deformation of at least one point on a surface of the platform based at least in part on the one or more images, the deformation resulting from the platform bearing the weight of the object; andcalculate the weight of the object based at least in part on the known pliability characteristics of the platform and the extent of deformation of the at least one point on the surface of the platform;ascertain a volume of the object based at least in part on the one or more images and calculate a dimensional weight of the object; andprovide an indication to a user if the weight of the object as calculated exceeds a threshold and/or a range corresponding to the dimensional weight of the object as calculated. 2. The apparatus of claim 1, wherein the processing device is configured to ascertain an extent of deformation of at least one point on the surface of the platform and/or to calculate the weight of the object in response to the object being placed on the platform. 3. The apparatus of claim 2, wherein the processing device is configured to compare the measured extent of deformation with reference deformation data. 4. The apparatus of claim 1, wherein the image capture device comprises a video camera, and wherein the processing device is further configured to calculate the weight of the object by measuring vibration of at least one point on a surface of the platform in response to the object being placed on the platform. 5. The apparatus of claim 1, wherein the image capture device is configured to capture images of the top surface of the platform. 6. The apparatus of claim 1, further comprising a support structure configured to support the image capture device at a fixed position and orientation with respect to the platform. 7. The apparatus of claim 1, further comprising a base configured to support the platform. 8. The apparatus of claim 7, wherein the base comprises at least two walls configured to support at least two ends of the platform such that a middle section of the platform is suspended over an area between the at least two walls, and wherein the image capture device is configured to capture images of a view of a bottom surface of the platform. 9. A method for calculating the weight of an object, the method comprising the steps of: receiving a first image comprising a view of a platform, the platform comprising a pliable material and a surface on which an object to be weighed can be placed;receiving a second image comprising a view of the platform, the second image captured while the platform bears the weight of the object;ascertaining an extent of deformation of at least one point on the platform based at least in part on a comparison of the second image to the first image, the deformation resulting from the platform bearing the weight of the object and calculating the weight of the object based at least in part on a relationship between the extent of deformation and the weight of the object;ascertaining a volume of the object based at least in part on the first image and/or the second image and calculating a dimensional weight of the object; andproviding an indication as to whether or not the weight of the object as calculated exceeds a threshold and/or a range corresponding to the dimensional weight of the object as calculated. 10. The method of claim 9, wherein receiving a second image and/or ascertaining an extent of deformation occurs in response to the object being placed on the surface of the platform. 11. The method of claim 10, wherein ascertaining an extent of deformation includes measuring the extent of deformation of a plurality of points of pliable material. 12. The method of claim 10, wherein calculating the weight of the object comprises comparing the extent of deformation with reference deformation data. 13. The method of claim 12, comprising obtaining the reference data prior to receiving the first image and the second image, the reference data obtained at least in part by ascertaining for each of one or more reference objects having a known weight, an extent of deformation of at least one point on the platform when the platform receives the weight of a respective reference object, the deformation resulting from the platform bearing the weight of the respective reference object. 14. The method of claim 13, further comprising: storing the reference data in a table in a non-transitory computer readable medium; and/orderiving an algorithm comprising a correlation between the extent of deformation and the weight of an object mapping deformation to weight, and storing the algorithm in a non-transitory computer readable medium. 15. The method of claim 9, wherein the first image and the second image comprise a view of the surface of the platform from a fixed location and orientation with respect to the platform. 16. The method of claim 9, wherein the second image comprises a view of a bottom surface of the platform from a fixed location and orientation with respect to the platform, the bottom surface being suspended over an area between the ends of the platform. 17. The method of claim 9, further comprising ascertaining one or more dimensions of the object based at least in part on the first image and/or the second image. 18. A method for calculating the weight of an object, the method comprising the steps of: receiving a plurality of images comprising a view of vibration occurring in at least a portion of a platform, the platform comprising a pliable material configured to vibrate when the platform receives an object;ascertaining one or more vibration parameters of at least one point of the platform based at least in part on the plurality of images, the vibration parameters associated with the vibration occurring when the platform receives the object;calculating the weight of the object based at least in part on a relationship between the one or more vibration parameters and the weight of the object, the relationship having been ascertained using one or more reference objects having a known weight;ascertaining a volume of the object based at least in part on the one or more images and calculating a dimensional weight of the object; andproviding an indication if the weight of the object as calculated exceeds a threshold and/or a range corresponding to the dimensional weight of the object as calculated. 19. The method of claim 18, wherein ascertaining the one or more vibration parameters comprises ascertaining one or more vibration parameters of multiple points of the pliable material. 20. The method of claim 18, wherein calculating the weight of the object comprises comparing the one or more vibration parameters with reference vibration data obtained by ascertaining the relationship using the one or more reference objects. 21. The method of claim 1, wherein calculating the weight of the object comprises calculating an imprecise estimate of the weight of the object, the imprecise estimate having an accuracy sufficient to ascertain whether or not the weight of the object as calculated exceeds the threshold and/or whether or not the weight of the object as calculated falls within the range. 22. The method of claim 9, wherein the threshold comprises the dimensional weight of the object. 23. The apparatus of claim 9, wherein the image capture device comprises a video camera, and wherein the processing device is further configured to calculate the weight of the object by measuring vibration of at least one point on a surface of the platform in response to the object being placed on the platform. 24. The method of claim 9, wherein calculating the weight of the object comprises calculating an imprecise estimate of the weight of the object, the imprecise estimate having an accuracy sufficient to ascertain whether or not the weight of the object as calculated exceeds the threshold and/or whether or not the weight of the object as calculated falls within the range.
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