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    Image sharpening method and image processing device
    3.
    发明授权
    Image sharpening method and image processing device 有权
    图像锐化方法和图像处理装置

    公开(公告)号：US09165350B2

    公开(公告)日：2015-10-20

    申请号：US14097220

    申请日：2013-12-04

    Applicant: Novatek Microelectronics Corp.

    Inventor： Chih-Kai Chang ,  Chih-Yuan Yang

    IPC: G06K9/40 ,  G06T5/20 ,  G06T5/00

    CPC classification number: G06T5/20 ,  G06K9/40 ,  G06T5/003 ,  G06T2207/20182

    Abstract: An image sharpening method and an image processing device are provided. The method includes: obtaining a plurality of pixels in an image; calculating a first weight of a high pass filter and a second weight of a first filter according to the pixels, and the first filter is a convolution of the high pass filter and a low pass filter; generating a sharpening filter according to the high pass filter, the first weight, the first filter and the second weight; and executing a sharpening operation on the pixels according to the sharpening filter. Accordingly, a sharpened image has better vision effects.

    Abstract translation: 提供了图像锐化方法和图像处理装置。 该方法包括：获得图像中的多个像素; 根据像素计算高通滤波器和第一滤波器的第二权重的第一权重，并且第一滤波器是高通滤波器和低通滤波器的卷积; 根据高通滤波器，第一重量，第一滤波器和第二重量产生锐化滤波器; 并根据锐化滤波器对像素执行锐化操作。 因此，锐化图像具有更好的视觉效果。

    Image display apparatus and image optimization method thereof
    4.
    发明授权
    Image display apparatus and image optimization method thereof 有权
    图像显示装置及其图像优化方法

    公开(公告)号：US09135865B2

    公开(公告)日：2015-09-15

    申请号：US14077176

    申请日：2013-11-11

    Applicant: Novatek Microelectronics Corp.

    Inventor： Chih-Yuan Yang ,  Yu-Hsing Chuang ,  Feng-Ting Pai

    IPC: G09G5/10 ,  G09G3/34

    CPC classification number: G09G3/3406 ,  G09G2360/144 ,  G09G2360/16

    Abstract: An image display apparatus and an image optimization method are provided. The image display apparatus includes an image content analyzer, a luminance compensator, and an image optimization processor The image content analyzer receives image data and ambient luminance and generates a backlight luminance adjustment value according to the image data and the ambient luminance. The luminance compensator generates an image data luminance adjustment value according to the backlight luminance adjustment value and generates first image data by adjusting the luminance of the image data according to the image data luminance adjustment value. The image optimization processor generates a saturation adjustment weight according to the image data luminance adjustment value. According to the saturation adjustment weight, the image optimization processor generates output image data by adjusting the luminance of the first image data.

    Abstract translation: 提供了图像显示装置和图像优化方法。 图像显示装置包括图像内容分析器，亮度补偿器和图像优化处理器。图像内容分析器接收图像数据和环境亮度，并根据图像数据和环境亮度生成背光亮度调整值。 亮度补偿器根据背光亮度调整值生成图像数据亮度调整值，并且通过根据图像数据亮度调整值调整图像数据的亮度来生成第一图像数据。 图像优化处理器根据图像数据亮度调整值生成饱和度调整权重。 根据饱和度调整权重，图像优化处理器通过调整第一图像数据的亮度来生成输出图像数据。

    METHOD AND IMAGE PROCESSING DEVICE FOR MURA COMPENSATION ON DISPLAY PANEL
    5.
    发明申请
    METHOD AND IMAGE PROCESSING DEVICE FOR MURA COMPENSATION ON DISPLAY PANEL 有权

    公开(公告)号：US20220189387A1

    公开(公告)日：2022-06-16

    申请号：US17117125

    申请日：2020-12-10

    Applicant: Novatek Microelectronics Corp.

    Inventor： Wenhui Yu ,  Xiaoming Bu ,  Chih-Yuan Yang

    IPC: G09G3/3208

    Abstract: A method and an image processing device for mura detection on a display are proposed. The method includes the following steps. A compressed DeMura table corresponding to the display panel is obtained. Decompression is performed on the compressed DeMura table to generate a decompressed DeMura table. Upsampling is performed on the decompressed DeMura table to generate a reconstructed DeMura table. Mura compensation is performed on the display panel based on the reconstructed DeMura table.

    Image processing apparatus for regional image enhancement and image processing method using the same
    8.
    发明授权
    Image processing apparatus for regional image enhancement and image processing method using the same 有权
    用于区域图像增强的图像处理装置和使用其的图像处理方法

    公开(公告)号：US09098915B2

    公开(公告)日：2015-08-04

    申请号：US14155894

    申请日：2014-01-15

    Applicant: NOVATEK MICROELECTRONICS CORP.

    Inventor： Yu-Hsing Chuang ,  Yu-Pin Chang ,  Chih-Yuan Yang ,  Feng-Ting Pai

    IPC: G06K9/40 ,  G06T5/00

    CPC classification number: G06T5/009 ,  G06T5/007

    Abstract: An image processing apparatus for adjusting the luminance of a target pixel of an image is provided. The target pixel includes original pixel data and corresponds to a mask value. The image processing apparatus includes a luminance detection unit, a luminance compensation unit and a mapping unit. The luminance detection unit generates an original luminance value according to the original pixel data. The luminance compensation unit adjusts the original luminance value according to a non-linear function to generate a compensated luminance value. The mapping unit generates adjusted pixel data according to the compensated luminance value. The non-linear function at least includes a first monomial function, which has a base part associated with an inverse value of the original luminance value and an exponent part associated with the mask value.

    Abstract translation: 提供了一种用于调整图像的目标像素的亮度的图像处理装置。 目标像素包括原始像素数据并对应于掩码值。 图像处理装置包括亮度检测单元，亮度补偿单元和映射单元。 亮度检测单元根据原始像素数据生成原始亮度值。 亮度补偿单元根据非线性函数来调整原始亮度值，以生成补偿亮度值。 映射单元根据补偿的亮度值生成调整后的像素数据。 非线性函数至少包括第一单项式函数，其具有与原始亮度值的逆值相关联的基本部分和与掩模值相关联的指数部分。

    Method and image processing device for Mura compensation on display panel
    9.
    发明授权
    Method and image processing device for Mura compensation on display panel 有权

    公开(公告)号：US11367387B1

    公开(公告)日：2022-06-21

    申请号：US17117125

    申请日：2020-12-10

    Applicant: Novatek Microelectronics Corp.

    Inventor： Wenhui Yu ,  Xiaoming Bu ,  Chih-Yuan Yang

    IPC: G09G3/3208

    Abstract: A method and an image processing device for mura detection on a display are proposed. The method includes the following steps. A compressed DeMura table corresponding to the display panel is obtained. Decompression is performed on the compressed DeMura table to generate a decompressed DeMura table. Upsampling is performed on the decompressed DeMura table to generate a reconstructed DeMura table. Mura compensation is performed on the display panel based on the reconstructed DeMura table.

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