公开(公告)号：US09548043B2

公开(公告)日：2017-01-17

申请号：US14073885

申请日：2013-11-07

Applicant: NOVATEK Microelectronics Corp.

Inventor： Guangzhi Liu ,  Bo Zhao

IPC: G06K9/32 ,  G09G5/391 ,  G09G3/20 ,  G09G5/00

CPC classification number: G09G5/391 ,  G09G3/2074 ,  G09G5/005 ,  G09G2340/0414 ,  G09G2340/0421 ,  G09G2340/0457 ,  G09G2340/10

Abstract: A data interpolation method is utilized for obtaining an interpolation data of an interpolation point in a destination data, and a data number of the destination data has a horizontal magnification factor and a vertical magnification factor compared to a data number of a source data. The data interpolation method includes obtaining an input data from the source data according to an interpolation position of the interpolation point corresponding to the destination data, the horizontal magnification factor, and the vertical magnification factor, wherein the input data includes a plurality of input pixel values corresponding to a plurality of pixels; performing at least one reordering and interpolation calculating process on the plurality of input pixel values to obtain a plurality of output pixel values; and selecting an output pixel value from the plurality of output pixel values and outputting the output pixel value as the interpolation data of the interpolation point.

Abstract translation: 使用数据插值方法来获得目的地数据中的内插点的内插数据，并且目的数据的数据数据与源数据的数据数量相比具有水平放大系数和垂直放大系数。 数据插值方法包括：根据与目的地数据对应的内插点的插补位置，水平放大倍数和垂直倍率，从源数据中获取输入数据，其中输入数据包括多个输入像素值 对应于多个像素; 对所述多个输入像素值执行至少一个重排序和插值计算处理以获得多个输出像素值; 以及从所述多个输出像素值中选择输出像素值，并输出所述输出像素值作为所述插值点的插值数据。

公开(公告)号：US09323782B2

公开(公告)日：2016-04-26

申请号：US14054816

申请日：2013-10-15

Applicant: NOVATEK Microelectronics Corp.

Inventor： Lei Zhou ,  Guangzhi Liu ,  Cheng-Wei Chou

IPC: G06K9/34 ,  G06F17/30

CPC classification number: G06F17/30244

Abstract: A matching search method is utilized for performing a matching search from a first image block to a second image block in a stereo matching system. The matching search method includes obtaining a global offset of the first image block corresponding to the second image block according to an offset relationship between a first image data of the first image block and a second image data of the second image block; and performing the matching search from the first image block to the second image block according to the global offset and a searching range.

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：US09241148B2

公开(公告)日：2016-01-19

申请号：US14100003

申请日：2013-12-08

Applicant: NOVATEK Microelectronics Corp.

Inventor： Guangzhi Liu ,  Lei Zhou ,  Cheng-Wei Chou

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

CPC classification number: H04N13/128 ,  G06T7/593 ,  G06T2207/10012 ,  H04N2013/0081

Abstract: A disparity calculating method includes generating an energy matrix according to a first image-block and a second image-block, wherein the energy matrix includes a plurality of energies of a plurality of pixels corresponding to a plurality of disparity candidates; setting the energy corresponding to a starting pixel of the plurality of pixels and a specified disparity candidate of the plurality of disparity candidates as a first predetermined value and setting the energies corresponding to the starting pixel and other disparity candidates of the plurality of disparity candidates as a second predetermined value, wherein the second predetermined value is greater than the first predetermined value; generating a path matrix according to the energy matrix; and determining a plurality of disparities of the plurality of pixels sequentially from an ending pixels of the plurality of pixels, wherein the disparity of the ending pixel is set as a third predetermined value.

Abstract translation: 视差计算方法包括根据第一图像块和第二图像块生成能量矩阵，其中所述能量矩阵包括与多个视差候选对应的多个像素的多个能量; 将与所述多个像素的起始像素相对应的能量和所述多个视差候选中的指定视差候选设置为第一预定值，并将与所述多个视差候选中的起始像素和其他视差候选对应的能量设置为 第二预定值，其中所述第二预定值大于所述第一预定值; 根据能量矩阵生成路径矩阵; 以及从所述多个像素的结束像素顺序地确定所述多个像素的多个不同，其中所述结束像素的视差被设置为第三预定值。

公开(公告)号：US09042638B2

公开(公告)日：2015-05-26

申请号：US14033515

申请日：2013-09-22

Applicant: NOVATEK Microelectronics Corp.

Inventor： Lei Zhou ,  Guangzhi Liu ,  Cheng-Wei Chou

IPC: G06K9/00

CPC classification number: G06K9/00536 ,  G06K9/00201 ,  G06K9/6202 ,  G06T7/593 ,  G06T2207/20021

Abstract: An image matching method is utilized for performing a stereo matching from a first image block to a second image block in a stereo matching system. The image matching method includes performing a matching computation from the first image block to the second image block according to a first matching algorithm to generate a first matching result; performing the matching computation between the first image block and the second image block according to a second matching algorithm to generate a second matching result and a third matching result; obtaining a matching error and a matching similarity of the first image block according to the second matching result and the third matching result; and determining a stereo matching result of the first image block according to the matching error and the matching similarity.

公开(公告)号：US20150085085A1

公开(公告)日：2015-03-26

申请号：US14098543

申请日：2013-12-06

Applicant: NOVATEK Microelectronics Corp.

Inventor： Guangzhi Liu ,  Lei Zhou ,  Cheng-Wei Chou

IPC: H04N13/04

CPC classification number: G06T7/593

Abstract: A disparity calculating method for a stereo matching system includes calculating a global energy matrix according to a first image, a second image and a previous disparity matrix of a previous frame; calculating a global disparity matrix according to the global energy matrix and a first stereo matching algorithm; calculating a local energy matrix between a first image block of the first image and a second image block of the second image according to the first image block, the second image block, a previous block disparity matrix and the global disparity matrix; and calculating a local disparity matrix between the first image block and the second image block according to the local energy matrix and a second stereo matching algorithm.

Abstract translation: 立体匹配系统的视差计算方法包括根据先前帧的第一图像，第二图像和先前视差矩阵来计算全局能量矩阵; 根据全局能量矩阵和第一立体匹配算法计​​算全局视差矩阵; 根据第一图像块，第二图像块，先前块视差矩阵和全局视差矩阵计算第一图像的第一图像块和第二图像的第二图像块之间的局部能量矩阵; 以及根据所述局部能量矩阵和第二立体匹配算法计​​算所述第一图像块和所述第二图像块之间的局部差异矩阵。

公开(公告)号：US20150063680A1

公开(公告)日：2015-03-05

申请号：US14100003

申请日：2013-12-08

Applicant: NOVATEK Microelectronics Corp.

Inventor： Guangzhi Liu ,  Lei Zhou ,  Cheng-Wei Chou

IPC: H04N13/00 ,  G06T5/00 ,  G06T7/00

CPC classification number: H04N13/128 ,  G06T7/593 ,  G06T2207/10012 ,  H04N2013/0081

Abstract: A disparity calculating method includes generating an energy matrix according to a first image-block and a second image-block, wherein the energy matrix includes a plurality of energies of a plurality of pixels corresponding to a plurality of disparity candidates; setting the energy corresponding to a starting pixel of the plurality of pixels and a specified disparity candidate of the plurality of disparity candidates as a first predetermined value and setting the energies corresponding to the starting pixel and other disparity candidates of the plurality of disparity candidates as a second predetermined value, wherein the second predetermined value is greater than the first predetermined value; generating a path matrix according to the energy matrix; and determining a plurality of disparities of the plurality of pixels sequentially from an ending pixels of the plurality of pixels, wherein the disparity of the ending pixel is set as a third predetermined value.

Abstract translation: 视差计算方法包括根据第一图像块和第二图像块生成能量矩阵，其中所述能量矩阵包括与多个视差候选对应的多个像素的多个能量; 将与所述多个像素的起始像素相对应的能量和所述多个视差候选中的指定视差候选设置为第一预定值，并将与所述多个视差候选中的起始像素和其他视差候选对应的能量设置为 第二预定值，其中所述第二预定值大于所述第一预定值; 根据能量矩阵生成路径矩阵; 以及从所述多个像素的结束像素顺序地确定所述多个像素的多个不同，其中所述结束像素的视差被设置为第三预定值。

公开(公告)号：US20150010230A1

公开(公告)日：2015-01-08

申请号：US14033515

申请日：2013-09-22

Applicant: NOVATEK Microelectronics Corp.

Inventor： Lei Zhou ,  Guangzhi Liu ,  Cheng-Wei Chou

IPC: G06K9/00

CPC classification number: G06K9/00536 ,  G06K9/00201 ,  G06K9/6202 ,  G06T7/593 ,  G06T2207/20021

Abstract: An image matching method is utilized for performing a stereo matching from a first image block to a second image block in a stereo matching system. The image matching method includes performing a matching computation from the first image block to the second image block according to a first matching algorithm to generate a first matching result; performing the matching computation between the first image block and the second image block according to a second matching algorithm to generate a second matching result and a third matching result; obtaining a matching error and a matching similarity of the first image block according to the second matching result and the third matching result; and determining a stereo matching result of the first image block according to the matching error and the matching similarity.

Abstract translation: 图像匹配方法用于在立体匹配系统中执行从第一图像块到第二图像块的立体匹配。 图像匹配方法包括根据第一匹配算法执行从第一图像块到第二图像块的匹配计算，以产生第一匹配结果; 根据第二匹配算法执行第一图像块和第二图像块之间的匹配计算，以产生第二匹配结果和第三匹配结果; 根据第二匹配结果和第三匹配结果获得第一图像块的匹配误差和匹配相似度; 以及根据匹配误差和匹配相似度确定第一图像块的立体匹配结果。

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：US20150029240A1

公开(公告)日：2015-01-29

申请号：US14073885

申请日：2013-11-07

Applicant: NOVATEK Microelectronics Corp.

Inventor： Guangzhi Liu ,  Bo Zhao

IPC: G09G5/391

CPC classification number: G09G5/391 ,  G09G3/2074 ,  G09G5/005 ,  G09G2340/0414 ,  G09G2340/0421 ,  G09G2340/0457 ,  G09G2340/10

Abstract: A data interpolation method is utilized for obtaining an interpolation data of an interpolation point in a destination data, and a data number of the destination data has a horizontal magnification factor and a vertical magnification factor compared to a data number of a source data. The data interpolation method includes obtaining an input data from the source data according to an interpolation position of the interpolation point corresponding to the destination data, the horizontal magnification factor, and the vertical magnification factor, wherein the input data includes a plurality of input pixel values corresponding to a plurality of pixels; performing at least one reordering and interpolation calculating process on the plurality of input pixel values to obtain a plurality of output pixel values; and selecting an output pixel value from the plurality of output pixel values and outputting the output pixel value as the interpolation data of the interpolation point.

Abstract translation: 使用数据插值方法来获得目的地数据中的内插点的内插数据，并且目的数据的数据数据与源数据的数据数量相比具有水平放大系数和垂直放大系数。 数据插值方法包括：根据与目的地数据对应的内插点的插补位置，水平放大倍数和垂直倍率，从源数据中获取输入数据，其中输入数据包括多个输入像素值 对应于多个像素; 对所述多个输入像素值执行至少一个重排序和插值计算处理以获得多个输出像素值; 以及从所述多个输出像素值中选择输出像素值，并输出所述输出像素值作为所述插值点的插值数据。