	US 12,236,501 B2
	Latency compensation for image processing devices
Thomas Netsch, Hamburg (DE); and Frank Michael Weber, Norderstedt (DE)
Assigned to KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Appl. No. 17/800,328
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
PCT Filed Feb. 16, 2021, PCT No. PCT/EP2021/053714 § 371(c)(1), (2) Date Aug. 17, 2022, PCT Pub. No. WO2021/165228, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 20157687 (EP), filed on Feb. 17, 2020.
Prior Publication US 2023/0069292 A1, Mar. 2, 2023
Int. Cl. G06T 15/00 (2011.01); A61B 6/46 (2024.01); G06T 1/20 (2006.01); G06T 11/00 (2006.01); G06V 10/74 (2022.01)

CPC G06T 11/00 (2013.01) [A61B 6/463 (2013.01); G06T 1/20 (2013.01); G06V 10/761 (2022.01); G06T 2210/41 (2013.01); G06T 2210/52 (2013.01)]

20 Claims

1. A image processing device, comprising:

a processor configured to:

obtain a raw image stream with a plurality of frames;

process the plurality of frames of the raw image stream to generate a processed image stream comprising a subset of the plurality of frames of the raw image stream and overlay data containing additional information compared to the raw image stream, wherein the processor is configured to generate the overlay data by image processing of the subset of the plurality of frames of the raw image stream;

select past frames from the processed subset of the plurality of frames;

compare a raw image frame of the raw image stream with each past frame of the selection of past frames to determine a similarity value for the raw image frame and each past frame;

identify a matching frame of the selection of past frames based on the similarity value;

assign the overlay data from the matching frame to the raw image frame; and

add the raw image frame and the assigned overlay data from the matching frame to an output image stream.