公开(公告)号：US20210150964A1

公开(公告)日：2021-05-20

申请号：US16727922

申请日：2019-12-27

Applicant: Novatek Microelectronics Corp.

Inventor： Li Li ,  Qiqiang Han ,  JianHua Liang

IPC: G09G3/20 ,  G09G3/3258

Abstract: The disclosure provides an image processing apparatus and an operation method thereof. The image processing apparatus includes a sticking model circuit and a dynamic adjustment circuit. The sticking model circuit correspondingly provides degradation information according to pixel data of a current pixel. The dynamic adjustment circuit dynamically adjusts original image data of the current pixel according to the degradation information to generate output data. The dynamic adjustment circuit converts a first sub-pixel of the current pixel to at least one second sub-pixel of the current pixel when luminance is maintained. The dynamic adjustment circuit provides the output data to the sticking model circuit.

公开(公告)号：US11328646B2

公开(公告)日：2022-05-10

申请号：US16727922

申请日：2019-12-27

Applicant: Novatek Microelectronics Corp.

Inventor： Li Li ,  Qiqiang Han ,  JianHua Liang

IPC: G09G3/20 ,  G09G3/3258

Abstract: The image processing apparatus includes a sticking model circuit and a dynamic adjustment circuit. The sticking model circuit correspondingly provides degradation information according to pixel data of a current pixel. The dynamic adjustment circuit dynamically adjusts original image data of the current pixel according to the degradation information to generate output data. The dynamic adjustment circuit converts a first sub-pixel of the current pixel to at least one second sub-pixel of the current pixel when luminance is maintained. The dynamic adjustment circuit provides the output data to the sticking model circuit.

公开(公告)号：US11238775B1

公开(公告)日：2022-02-01

申请号：US17126059

申请日：2020-12-18

Applicant: Novatek Microelectronics Corp.

Inventor： Li Li ,  JianHua Liang ,  Hongchun Cong

IPC: G09G3/20 ,  G09G3/3208

Abstract: An image adjustment method comprises: generate a grayscale value of a target pixel by weighted averaging a plurality of input sub-pixel data of the target pixel; calculate an average of grayscale values of all pixels comprising the target pixel in a first window to generate a foreground value of the target pixel; calculate an average of grayscale values of all pixels comprising the target pixel in a second window to generate a background value of the target pixel; according to the foreground value of the target pixel and the background value of the target pixel, obtain a just-noticeable difference value in a look-up table as a grayscale difference value; generate an adjusted grayscale value of the target pixel according to the grayscale difference value; and generate a plurality of output sub-pixel data according to the plurality of input sub-pixel data of the target pixel and the adjusted grayscale value.