公开(公告)号：US09860512B2

公开(公告)日：2018-01-02

申请号：US13925847

申请日：2013-06-25

Applicant: Novatek (Shanghai)Co., Ltd. ,  Novatek Microelectronics Corp.

Inventor： Lei Zhou ,  Heng Yu ,  Guang-Zhi Liu ,  Chun Wang

IPC: H04N13/00

CPC classification number: H04N13/139 ,  H04N2213/007

Abstract: A display apparatus and an image display method of the display apparatus are provided, and the image display method includes following steps. Video contents that include a plurality of single frame images are received. A detection zone of the single frame images is determined according to a current scale mode of the display apparatus, and the different scale modes correspond to the different detection zones. The detection zone of each single frame image is detected to determine an image format of the video contents. A play mode of the display apparatus is adjusted according to the image format, and the video contents which are scaled are displayed by the display apparatus in the play mode.

公开(公告)号：US09177507B2

公开(公告)日：2015-11-03

申请号：US13953759

申请日：2013-07-30

Applicant: Novatek (Shanghai) Co., Ltd. ,  NOVATEK Microelectronics Corp.

Inventor： Min Wei ,  Heng Yu ,  Jiande Jiang

IPC: G09G3/36 ,  G09G3/34 ,  G09G3/20

CPC classification number: G09G3/3406 ,  G09G3/2014 ,  G09G3/2022 ,  G09G2320/0233 ,  G09G2320/0646 ,  G09G2320/0686

Abstract: An intensity compensation method for a display control device includes steps of obtaining a plurality of backlight duties of a plurality of backlights according to an image data; calculating a plurality of compensation gains according to the plurality of backlight duties and a non-uniform backlight profile, wherein the non-uniform backlight profile indicates a plurality of respective actual intensity distributions of the plurality of backlights; and compensating a plurality of first image intensities corresponding to a plurality of pixels of the image data according to the plurality of compensation gains, to obtain a plurality of second image intensities.

Abstract translation: 用于显示控制装置的强度补偿方法包括根据图像数据获得多个背光的多个背光任务的步骤; 根据所述多个背光任务计算多个补偿增益和非均匀背光轮廓，其中所述非均匀背光轮廓指示所述多个背光灯的多个相应的实际强度分布; 以及根据所述多个补偿增益来补偿对应于所述图像数据的多个像素的多个第一图像强度，以获得多个第二图像强度。

公开(公告)号：US20140050402A1

公开(公告)日：2014-02-20

申请号：US13688235

申请日：2012-11-29

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Lei Zhou ,  Guangzhi Liu ,  Heng Yu ,  Chun Wang

IPC: G06T7/00

CPC classification number: G06T7/0081 ,  H04N13/00 ,  H04N13/139 ,  H04N13/161 ,  H04N2013/0085 ,  H04N2213/007

Abstract: A method of detecting image format includes dividing a single-frame image into a plurality of macro-blocks; calculating a correlation coefficient of a left-half image of the single-frame image and a right-half image of the single-frame image as a first global similarity; calculating a correlation coefficient of a top-half image of the single-frame image and a bottom-half image of the single-frame image as a second global similarity; calculating a portion difference of each macro-block; comparing the portion differences of the left-half image and the right-half image, for acquiring a first local similarity; comparing the portion differences of the top-half image and the bottom-half image, for acquiring a second local similarity; and detecting an image format of the single-frame image according to the first global similarity, the second global similarity, the first local similarity, the second local similarity, a first threshold and a second threshold.

Abstract translation: 检测图像格式的方法包括将单帧图像划分为多个宏块; 计算单帧图像的左半部分图像的相关系数和单帧图像的右半部分图像作为第一全局相似度; 计算单帧图像的上半部分图像和单帧图像的下半部分图像的相关系数作为第二全局相似度; 计算每个宏块的一部分差; 比较左半图像和右半图像的部分差异，用于获取第一局部相似度; 比较上半部分图像和下半部分图像的部分差异，以获得第二局部相似度; 以及根据第一全局相似度，第二全局相似度，第一局部相似度，第二局部相似度，第一阈值和第二阈值来检测单帧图像的图像格式。

公开(公告)号：US08891856B2

公开(公告)日：2014-11-18

申请号：US13688235

申请日：2012-11-29

Applicant: NOVATEK Microelectronics Corp.

Inventor： Lei Zhou ,  Guangzhi Liu ,  Heng Yu ,  Chun Wang

IPC: G06K9/00 ,  G06T7/00 ,  H04N13/00

CPC classification number: G06T7/0081 ,  H04N13/00 ,  H04N13/139 ,  H04N13/161 ,  H04N2013/0085 ,  H04N2213/007

Abstract: A method of detecting image format includes dividing a single-frame image into a plurality of macro-blocks; calculating a correlation coefficient of a left-half image of the single-frame image and a right-half image of the single-frame image as a first global similarity; calculating a correlation coefficient of a top-half image of the single-frame image and a bottom-half image of the single-frame image as a second global similarity; calculating a portion difference of each macro-block; comparing the portion differences of the left-half image and the right-half image, for acquiring a first local similarity; comparing the portion differences of the top-half image and the bottom-half image, for acquiring a second local similarity; and detecting an image format of the single-frame image according to the first global similarity, the second global similarity, the first local similarity, the second local similarity, a first threshold and a second threshold.

Abstract translation: 检测图像格式的方法包括将单帧图像划分为多个宏块; 计算单帧图像的左半部分图像的相关系数和单帧图像的右半部分图像作为第一全局相似度; 计算单帧图像的上半部分图像和单帧图像的下半部分图像的相关系数作为第二全局相似度; 计算每个宏块的一部分差; 比较左半图像和右半图像的部分差异，用于获取第一局部相似度; 比较上半部分图像和下半部分图像的部分差异，以获得第二局部相似度; 以及根据第一全局相似度，第二全局相似度，第一局部相似度，第二局部相似度，第一阈值和第二阈值来检测单帧图像的图像格式。

公开(公告)号：US20140327704A1

公开(公告)日：2014-11-06

申请号：US13953759

申请日：2013-07-30

Applicant: NOVATEK Microelectronics Corp. ,  Novatek (Shanghai) Co., Ltd.

Inventor： Min Wei ,  Heng Yu ,  Jiande Jiang

IPC: G09G3/34

CPC classification number: G09G3/3406 ,  G09G3/2014 ,  G09G3/2022 ,  G09G2320/0233 ,  G09G2320/0646 ,  G09G2320/0686

Abstract: An intensity compensation method for a display control device includes steps of obtaining a plurality of backlight duties of a plurality of backlights according to an image data; calculating a plurality of compensation gains according to the plurality of backlight duties and a non-uniform backlight profile, wherein the non-uniform backlight profile indicates a plurality of respective actual intensity distributions of the plurality of backlights; and compensating a plurality of first image intensities corresponding to a plurality of pixels of the image data according to the plurality of compensation gains, to obtain a plurality of second image intensities.

Abstract translation: 用于显示控制装置的强度补偿方法包括根据图像数据获得多个背光的多个背光任务的步骤; 根据所述多个背光任务计算多个补偿增益和非均匀背光轮廓，其中所述非均匀背光轮廓指示所述多个背光灯的多个相应的实际强度分布; 以及根据所述多个补偿增益来补偿对应于所述图像数据的多个像素的多个第一图像强度，以获得多个第二图像强度。

公开(公告)号：US20140313286A1

公开(公告)日：2014-10-23

申请号：US13925847

申请日：2013-06-25

Applicant: Novatek (Shanghai)Co., Ltd. ,  Novatek Microelectronics Corp.

Inventor： Lei Zhou ,  Heng Yu ,  Guang-Zhi Liu ,  Chun Wang

IPC: H04N13/00

CPC classification number: H04N13/139 ,  H04N2213/007

Abstract: A display apparatus and an image display method of the display apparatus are provided, and the image display method includes following steps. Video contents that include a plurality of single frame images are received. A detection zone of the single frame images is determined according to a current scale mode of the display apparatus, and the different scale modes correspond to the different detection zones. The detection zone of each single frame image is detected to determine an image format of the video contents. A play mode of the display apparatus is adjusted according to the image format, and the video contents which are scaled are displayed by the display apparatus in the play mode.

Abstract translation: 提供了显示装置的显示装置和图像显示方法，并且图像显示方法包括以下步骤。 包含多个单帧图像的视频内容被接收。 根据显示装置的当前比例模式确定单帧图像的检测区域，并且不同的缩放模式对应于不同的检测区域。 检测每个单帧图像的检测区域以确定视频内容的图像格式。 根据图像格式调整显示装置的播放模式，并且通过显示装置以播放模式显示缩放的视频内容。