Method for segmenting an image and device using the same
US10089743B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2017 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Oct 5, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20084
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for segmenting an image using a CNN including steps of: a segmentation device acquiring (i) a first segmented image for a t-th frame by a CNN_PREVIOUS, having at least one first weight learned at a t−(i+1)-th frame, segmenting the image, (ii) optical flow images corresponding to the (t−1)-th to the (t−i)-th frames, including information on optical flows from pixels of the first segmented image to corresponding pixels of segmented images of the (t−1)-th to the (t−i)-th frames, and (iii) warped images for the t-th frame by replacing pixels in the first segmented image with pixels in the segmented images referring to the optical flow images, (iv) losses by comparing the first segmented image with the warped images, (v) a CNN_CURRENT with at least one second weight obtained by adjusting the first weight to segment an image of the t-th frame and frames thereafter by using the CNN_CURRENT.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.