The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 02, 2024

Filed:

Nov. 01, 2021
Applicant:

Hanwha Techwin Co., Ltd., Seongnam-si, KR;

Inventor:

Byoung Man An, Seongnam-si, KR;

Assignee:

Hanwha Vision Co., Ltd., Seongnam-si, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2011.01); H04L 9/40 (2022.01); H04L 65/70 (2022.01);
U.S. Cl.
CPC ...
H04N 7/1675 (2013.01); H04L 63/0457 (2013.01); H04L 65/70 (2022.05);
Abstract

A method, performed by an image processing device, of encrypting image data includes: selecting an encryption target unit from among a plurality units constituting an image; generating a table including identification information about the encryption target unit; generating a first encryption unit including data obtained by encrypting the encryption target unit; generating a second encryption unit including data obtained by encrypting the table; and generating a bitstream including the first encryption unit, the second encryption unit, and units other than the encryption target unit among the plurality of units constituting the image.


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