US 12,470,833 B2
Device for correcting artifacts included in images
Jin Su Kim, Icheon-si (KR); Tae Hyun Kim, Icheon-si (KR); Jong Hyun Bae, Icheon-si (KR); and Sang Woo Ahn, Icheon-si (KR)
Assigned to SK hynix Inc., Icheon-si (KR)
Filed by SK hynix Inc., Icheon-si (KR)
Filed on Jul. 5, 2023, as Appl. No. 18/347,420.
Claims priority of application No. 10-2023-0004026 (KR), filed on Jan. 11, 2023.
Prior Publication US 2024/0236505 A1, Jul. 11, 2024
Int. Cl. H04N 23/81 (2023.01); H04N 23/84 (2023.01)
CPC H04N 23/81 (2023.01) [H04N 23/843 (2023.01)] 16 Claims
OG exemplary drawing
 
1. An image processor, comprising:
an acquirer configured to acquire image data including first pixel data, second pixel data, third pixel data, and fourth pixel data arranged in a 2×2 array;
a guide image generator configured to acquire a first guide image based on an average value of the first pixel data and the fourth pixel data that are located in a diagonal direction; and
an image operating component configured to acquire blurred image data by applying a low pass filter to the image data, and output a result image generated by adding a high-frequency component included in the first guide image to the blurred image data.