Patent · US Active

Method, apparatus and computer program product for depth estimation

US9524556B2 · kind B2 · utility

4Cited by

3References

20Claims

0Family size

Assignee

NOKIA TECHNOLOGIES OY · FI

Inventors

Mithun Uliyar · Bengaluru, IN
Gururaj Gopal Putraya · Bengaluru, IN
Soumik Ukil · Bengaluru, IN
Basavaraja S V · Bengaluru, IN
Krishna Annasagar Govindarao · Bengaluru, IN
Veldandi Muninder · San Jose, US

Key dates

Filing date	May 6, 2015
Grant date	Dec 20, 2016
Priority date	—
Expiry date	Jun 15, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH04N2013/0081
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

In an example embodiment, a method, apparatus and computer program product are provided. The method includes computing a first cost volume for a light-field image. A first depth map comprising depth information of the plurality of sub-images of the light-field image is computed based on the first cost volume. A first view image comprising reconstruction information is reconstructed based on the depth information of the plurality of sub-images. A second cost volume corresponding to the first cost volume is computed based on the reconstruction information. The second cost volume is filtered based on the first view image to generate an aggregated cost volume. A second depth map is generated based on the aggregated cost volume. The second depth map facilitates generation of a second view image that is associated with a resolution higher than a resolution of the first view image.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.