公开(公告)号：US09947258B2

公开(公告)日：2018-04-17

申请号：US14838372

申请日：2015-08-28

Applicant: Novatek Microelectronics Corp.

Inventor： Bo Zhao ,  Lei Zhang ,  Yuan-Jia Du ,  Yen-Tao Liao

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2300/0452 ,  G09G2310/027 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0626 ,  G09G2320/0666 ,  G09G2340/0428 ,  G09G2340/0457 ,  G09G2340/06

Abstract: An image processing method is provided. The image processing method includes: performing dynamic brightness control on an input image to determine a brightness gain for the input image; performing texture analysis on the input image based on blocks to determine filter indexes for the input image; performing color conversion with edge protection on the input image according to the brightness gain; and performing sub-pixel adjustment on the input image according to the filter indexes and a pixel arrangement of a display panel, so as to output an output image. An image processing apparatus is also provided.

公开(公告)号：US20180330523A1

公开(公告)日：2018-11-15

申请号：US15591121

申请日：2017-05-10

Applicant: Novatek Microelectronics Corp.

Inventor： Lei Zhang ,  Yuan-Jia Du ,  Heng-Yao Lin

IPC: G06T11/00

CPC classification number: G06T11/001 ,  G09G5/02

Abstract: An image processing apparatus including an image processing circuit is provided. The image processing circuit is configured to perform a subpixel conversion operation on an input image of a first format to convert the input image of the first format to the input image of a second format; obtain a first detection result with respect to a target pixel of the input image of the first format; determine a filter parameter with respect to the target pixel according to the first detection result; and perform a subpixel rendering operation on the input image of the second format according to the determined filter parameter to obtain an output image.

公开(公告)号：US20170061843A1

公开(公告)日：2017-03-02

申请号：US14838372

申请日：2015-08-28

Applicant: Novatek Microelectronics Corp.

Inventor： Bo Zhao ,  Lei Zhang ,  Yuan-Jia Du ,  Yen-Tao Liao

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2300/0452 ,  G09G2310/027 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0626 ,  G09G2320/0666 ,  G09G2340/0428 ,  G09G2340/0457 ,  G09G2340/06

Abstract: An image processing method is provided. The image processing method includes: performing dynamic brightness control on an input image to determine a brightness gain for the input image; performing texture analysis on the input image based on blocks to determine filter indexes for the input image; performing color conversion with edge protection on the input image according to the brightness gain; and performing sub-pixel adjustment on the input image according to the filter indexes and a pixel arrangement of a display panel, so as to output an output image. An image processing apparatus is also provided.

Abstract translation: 提供了图像处理方法。 图像处理方法包括：对输入图像执行动态亮度控制，以确定输入图像的亮度增益; 基于块对输入图像进行纹理分析，以确定输入图像的滤波器索引; 根据亮度增益对输入图像进行边缘保护，进行颜色转换; 以及根据滤波器索引和显示面板的像素布置对输入图像执行子像素调整，以输出输出图像。 还提供了一种图像处理装置。

公开(公告)号：US20210118105A1

公开(公告)日：2021-04-22

申请号：US16660735

申请日：2019-10-22

Applicant: Novatek Microelectronics Corp.

Inventor： Lei Zhang ,  Yongchao Li ,  JianHua Liang

IPC: G06T5/00 ,  G06T7/90

Abstract: A method and an image processing device for image color enhancement are proposed. The method includes the following steps. An input image having input pixels is received, where each of the input pixels includes a luminance component and two chrominance components. A saturation gain of each of the input pixels is determined according to the chrominance components thereof. The chrominance components of each of the input pixels are adjusted according to the saturation gain thereof so as to generate enhanced pixels. An enhanced image is outputted according to the enhanced pixels.

公开(公告)号：US11094044B2

公开(公告)日：2021-08-17

申请号：US16660735

申请日：2019-10-22

Applicant: Novatek Microelectronics Corp.

Inventor： Lei Zhang ,  Yongchao Li ,  JianHua Liang

IPC: G06T5/00 ,  G06T7/90

Abstract: A method and an image processing device for image color enhancement are proposed. The method includes the following steps. An input image having input pixels is received, where each of the input pixels includes a luminance component and two chrominance components. A saturation gain of each of the input pixels is determined according to the chrominance components thereof. The chrominance components of each of the input pixels are adjusted according to the saturation gain thereof so as to generate enhanced pixels. An enhanced image is outputted according to the enhanced pixels.

公开(公告)号：US10181205B2

公开(公告)日：2019-01-15

申请号：US15591121

申请日：2017-05-10

Applicant: Novatek Microelectronics Corp.

Inventor： Lei Zhang ,  Yuan-Jia Du ,  Heng-Yao Lin

IPC: G06T11/00 ,  G09G5/02

Abstract: An image processing apparatus including an image processing circuit is provided. The image processing circuit is configured to perform a subpixel conversion operation on an input image of a first format to convert the input image of the first format to the input image of a second format; obtain a first detection result with respect to a target pixel of the input image of the first format; determine a filter parameter with respect to the target pixel according to the first detection result; and perform a subpixel rendering operation on the input image of the second format according to the determined filter parameter to obtain an output image.

公开(公告)号：US10217437B2

公开(公告)日：2019-02-26

申请号：US15448508

申请日：2017-03-02

Applicant: NOVATEK Microelectronics Corp.

Inventor： Lei Zhang ,  Danyu Fu ,  Yuanjia Du ,  Yen-Tao Liao

IPC: G09G5/02

Abstract: A method of color conversion from a red-green-blue (RGB) color space to a red-green-blue-white (RGBW) color space on an input image includes calculating RGB and white gains with respect to an image block of the input image, calculating RGB and white gain with respect to a pixel of the image block, wherein the white gain with respect to the pixel of the image block is adjusted based on the RGB gain with respect to the pixel of the image block, and performing the RGB to RGBW color conversion based on the RGB and white gain with respect to the pixel of the image block, which improves local color and detail performance of an output image corresponding to the input image.