METHOD AND DEVICE FOR CORRECTING DEPTH MAPS FOR MULTIPLE VIEWS Russian patent published in 2024 - IPC G06T7/50 G06T7/269 G06V10/82 G06N3/45 G06N3/84 

Abstract RU 2827434 C1

FIELD: physics.

SUBSTANCE: group of inventions relates to computer vision. Disclosed is a method of correcting depth data for a plurality of views in a video sequence comprising one or more frames, which comprises a step, on which frame-by-frame depth maps are created in the form of bilinear splines for a subset of frames from said one or more frames. For the remaining frames in one or more frames, frame-by-frame depth maps are initialized by reprojection of metric depth maps of this subset of frames. For all frames from one or more frames performing iterative optimization of frame-by-frame depth maps, wherein all scaled depth maps are initialized in units before correction; and performing iterative optimization of depth scaling maps for said subset of frames by means of a gradient-based optimization algorithm. Device and machine-readable medium for implementing said method are also provided.

EFFECT: obtaining consistent metric depth maps based on absolute distances to all objects in a medium displayed in a sequence of video frames.

13 cl, 4 dwg, 2 tbl

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RU 2 827 434 C1

Authors

Artemyev Mikhail Aleksandrovich

Sokolova Anna Ilyinichna

Vorontsova Anna Borisovna

Limonov Alexander Georgievich

Dates

2024-09-26Published

2023-07-24Filed