US 12,482,067 B2
Outline correction processing device and outline correction processing method
Akihiro Kato, Tokyo (JP)
Assigned to KOKUSAI DENKI Electric Inc., Tokyo (JP)
Appl. No. 19/105,560
Filed by KOKUSAI DENKI Electric Inc., Tokyo (JP)
PCT Filed Sep. 8, 2022, PCT No. PCT/JP2022/033633
§ 371(c)(1), (2) Date Feb. 21, 2025,
PCT Pub. No. WO2024/053033, PCT Pub. Date Mar. 14, 2024.
Prior Publication US 2025/0265678 A1, Aug. 21, 2025
Int. Cl. G06T 5/20 (2006.01); G06T 11/00 (2006.01)
CPC G06T 5/20 (2013.01) [G06T 11/001 (2013.01); G06T 2207/10024 (2013.01); G06T 2207/30196 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An outline correction processing device comprising:
a first high-pass filter having a function of emphasizing an outline portion of an image signal; and
one or more second high-pass filters having a function of weakening the outline portion of the image signal,
wherein the first high-pass filter and the second high-pass filters are switched and connected with respect to the image signal being entered, in a case where a correction gain with respect to the image signal is zero or positive, connection to the first high-pass filter is performed, and in a case where the correction gain is negative, connection to the second high-pass filter is performed so as to correct an outline portion of a specific color component of the image signal being entered.