System and method for calibrating one or more 3D sensors mounted on a moving manipulator
US-10812778-B1 · Oct 20, 2020 · US
Inspection device
US2022012869A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2022012869-A1 |
| Application number | US-201817296792-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 6, 2018 |
| Priority date | Dec 6, 2018 |
| Publication date | Jan 13, 2022 |
| Grant date | — |
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Abstract
Official abstract text for this publication.
An inspection device includes an acquisition unit that acquires a plurality of images, captured from a given height, of an inspection object controlled to move at a constant velocity, a comparison unit that compares movements of the inspection object in the images on the basis of the plurality of images, and a determination unit that determines the condition of the inspection object on the basis of a comparison result.
First claim
Opening claim text (preview).
What is claimed is: 1 . An inspection device comprising: an acquisition unit that acquires a plurality of images of an inspection object controlled to move at a constant velocity, the plurality of images being captured from a given height; a comparison unit that compares, on a basis of the plurality of images, movements of the inspection object in the images; and a determination unit that determines condition of the inspection object on a basis of a comparison result. 2 . The inspection device according to claim 1 , wherein the determination unit determines that the inspection object is deteriorated when moving amounts of the inspection object in the plurality of images are different. 3 . The inspection device according to claim 1 , wherein the determination unit compares apparent velocities of the inspection object in the images. 4 . The inspection device according to claim 3 , wherein the determination unit determines the condition of the inspection object on a basis of the apparent velocity and a predetermined threshold. 5 . The inspection device according to claim 4 , wherein the determination unit determines the condition of the inspection object on a basis of a difference between a highest apparent velocity and a lowest apparent velocity among the apparent velocities, and the threshold. 6 . The inspection device according to claim 3 , wherein the image acquisition unit acquires the plurality of images, captured from a predetermined height, of the inspection object moving at a predetermined velocity, and the determination unit determines the condition of the inspection object on a basis of a degree of separation of the apparent velocity from a logical value. 7 . The inspection device according to claim 3 , wherein the apparent velocity calculation unit calculates the apparent velocity in each of a plurality of divided regions obtained by dividing a capturing region. 8 . The inspection device according to claim 1 , wherein the inspection object is a conveyor belt. 9 . The inspection device according to claim 1 , wherein the inspection object is a conveyed article placed on a conveyor belt. 10 . An inspection method comprising, by an inspection device: acquiring a plurality of images of an inspection object controlled to move at a constant velocity, the plurality of images being captured from a given height; on a basis of the plurality of images, comparing movements of the inspection object in the images; and determining condition of the inspection object on a basis of a comparison result. 11 . A non-transitory computer-readable medium storing a program comprising instructions for implementing, on an inspection device: an acquisition unit that acquires a plurality of images of an inspection object controlled to move at a constant velocity, the plurality of images being captured from a given height; a comparison unit that compares, on a basis of the plurality of images, movements of the inspection object in the images; and a determination unit that determines condition of the inspection object on a basis of a comparison result.
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Classifications
Application to online plant, process monitoring · CPC title
characterised by the material examined · CPC title
Systems specially adapted for particular applications · CPC title
Industrial image inspection · CPC title
- G06T7/0004Primary
Industrial image inspection · CPC title
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Frequently asked questions
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- What does patent US2022012869A1 cover?
- An inspection device includes an acquisition unit that acquires a plurality of images, captured from a given height, of an inspection object controlled to move at a constant velocity, a comparison unit that compares movements of the inspection object in the images on the basis of the plurality of images, and a determination unit that determines the condition of the inspection object on the basi…
- Who is the assignee on this patent?
- Nec Corp
- What technology area does this patent fall under?
- Primary CPC classification G06T7/0004. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Jan 13 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 6 related publications on this page (citations in our corpus or others sharing the same primary CPC).