公开(公告)号：US07583846B2

公开(公告)日：2009-09-01

申请号：US12078586

申请日：2008-04-02

申请人： Yasunobu Yamauchi ,  Shingo Yanagawa ,  Masahiro Sekine ,  Takeshi Nagai ,  Hideyuki Ueno ,  Nakaba Kogure

发明人： Yasunobu Yamauchi ,  Shingo Yanagawa ,  Masahiro Sekine ,  Takeshi Nagai ,  Hideyuki Ueno ,  Nakaba Kogure

IPC分类号： G06K9/36

CPC分类号： G06T9/001 ,  G06T15/04 ,  G06T15/205

摘要： A texture image compressing device includes a separating unit configured to separate intensity maps that include intensity values and light source-independent texture images, those images including color components from a plurality of texture images corresponding to a plurality of different light source directions and a plurality of different viewpoint directions. The device also includes an intensity map compressing unit configured to compress the intensity maps to generate compressed intensity maps and representative intensity maps that are codebooks of the compressed intensity maps, a light source-independent texture image compressing unit configured to compress the light source-independent texture images to generate light source-independent texture compressed images and color component conversion tables that are codebooks of the light source-independent texture compressed images, and a compressed texture generating unit configured to generate compressed textures by combining the compressed intensity maps, the representative intensity maps, the light source-independent texture compressed images and the color component conversion tables.

摘要翻译： 纹理图像压缩装置包括：分离单元，其被配置为分离强度图，所述强度图包括强度值和与光源无关的纹理图像，所述图像包括来自对应于多个不同光源方向的多个纹理图像的颜色分量;以及多个 视点方向不同 该装置还包括强度图压缩单元，其被配置为压缩强度图以产生作为压缩强度图的码本的压缩强度图和代表性强度图，与光源无关的纹理图像压缩单元，被配置为压缩光源独立 纹理图像以产生与光源无关的纹理压缩图像的码本的光源独立纹理压缩图像和颜色分量转换表;以及压缩纹理生成单元，被配置为通过组合压缩强度图来生成压缩纹理，代表强度 地图，光源独立纹理压缩图像和颜色分量转换表。

公开(公告)号：US07372990B2

公开(公告)日：2008-05-13

申请号：US10765122

申请日：2004-01-28

申请人： Yasunobu Yamauchi ,  Shingo Yanagawa ,  Masahiro Sekine ,  Takeshi Nagai ,  Hideyuki Uneo ,  Nakaba Kogure

发明人： Yasunobu Yamauchi ,  Shingo Yanagawa ,  Masahiro Sekine ,  Takeshi Nagai ,  Hideyuki Uneo ,  Nakaba Kogure

IPC分类号： G06K9/36

CPC分类号： G06T9/001 ,  G06T15/04 ,  G06T15/205

摘要： A texture image compressing device includes a separating unit configured to separate intensity maps, including intensity values and light source-independent texture images, those images including color components from a plurality of texture images corresponding to different light source directions and different viewpoint directions. The device includes an intensity map compressing unit configured to compress the intensity maps to generate compressed intensity maps and representative intensity maps that are codebooks of the compressed intensity maps, a light source-independent texture image compressing unit configured to compress the light source-independent texture images to generate light source-independent texture compressed images and color component conversion tables that are codebooks of the light source-independent texture compressed images, and a compressed texture generating unit configured to generate compressed textures by combining the compressed intensity maps, the representative intensity maps, the light source-independent texture compressed images and the color component conversion tables.

摘要翻译： 纹理图像压缩装置包括分离单元，其被配置为分离强度图，包括强度值和光源独立纹理图像，包括来自对应于不同光源方向和不同视点方向的多个纹理图像的颜色分量的那些图像。 该装置包括：强度图压缩单元，被配置为压缩强度图以产生压缩强度图和作为压缩强度图的码本的代表性强度图;光源独立纹理图像压缩单元，被配置为压缩与光源无关的纹理 图像以产生与光源无关的纹理压缩图像的码本的光源独立纹理压缩图像和颜色分量转换表;以及压缩纹理生成单元，被配置为通过组合压缩强度图，代表性强度图 ，光源独立纹理压缩图像和颜色分量转换表。

公开(公告)号：US20070013713A1

公开(公告)日：2007-01-18

申请号：US11519097

申请日：2006-09-12

申请人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

发明人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

IPC分类号： G09G5/00

CPC分类号： G06T11/001 ,  G06T15/50

摘要： A multi-dimensional texture synthesis apparatus includes a generator to generate a reference multi-dimensional texture including a codebook and a reference index image, the codebook including a set of color information of the same-position pixels of the reference texture images, and the reference index image including a set of indexes for addressing the codebook, a quantizater to quantize the reference multi-dimensional texture at one or more quantization levels to generate a quantized codebook and a quantized reference index image, a synthesizer to synthesize a new index image having a specified size from the quantized reference index image using a hierarchical structure of the reference multi-dimensional texture corresponding to the one or more quantization levels, and a generator to generate the new multi-dimensional texture by combining the new index image with the quantized codebook.

摘要翻译： 多维纹理合成装置包括生成包括码本和参考索引图像的参考多维纹理的生成器，所述码本包括参考纹理图像的相同位置像素的一组颜色信息，以及参考 索引图像，包括用于寻址码本的索引集合;量化器，用于在一个或多个量化级别量化参考多维纹理以生成量化码本和量化参考索引图像;合成器，用于合成具有 使用与所述一个或多个量化级相对应的所述参考多维纹理的层次结构从所述量化参考索引图像中指定大小，以及生成器，用于通过将所述新索引图像与所述量化码本组合来生成所述新的多维纹理。

公开(公告)号：US07129954B2

公开(公告)日：2006-10-31

申请号：US10792842

申请日：2004-03-05

申请人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

发明人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

IPC分类号： G09G5/00

CPC分类号： G06T11/001 ,  G06T15/50

摘要： A multi-dimensional texture synthesis apparatus includes a generator to generate a reference multi-dimensional texture including a codebook and a reference index image, the codebook including a set of color information of the same-position pixels of the reference texture images, and the reference index image including a set of indexes for addressing the codebook, a quantizater to quantize the reference multi-dimensional texture at one or more quantization levels to generate a quantized codebook and a quantized reference index image, a synthesizer to synthesize a new index image having a specified size from the quantized reference index image using a hierarchical structure of the reference multi-dimensional texture corresponding to the one or more quantization levels, and a generator to generate the new multi-dimensional texture by combining the new index image with the quantized codebook.

摘要翻译： 多维纹理合成装置包括生成包括码本和参考索引图像的参考多维纹理的生成器，所述码本包括参考纹理图像的相同位置像素的一组颜色信息，以及参考 索引图像，包括用于寻址码本的索引集合;量化器，用于在一个或多个量化级别量化参考多维纹理以生成量化码本和量化参考索引图像;合成器，用于合成具有 使用与所述一个或多个量化级相对应的所述参考多维纹理的层次结构从所述量化参考索引图像中指定大小，以及生成器，用于通过将所述新索引图像与所述量化码本组合来生成所述新的多维纹理。

公开(公告)号：US20060017741A1

公开(公告)日：2006-01-26

申请号：US11183836

申请日：2005-07-19

申请人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

发明人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

IPC分类号： G09G5/00

CPC分类号： G06T15/04

摘要： Multi-dimensional texture mapping apparatus includes compression unit configured to compress texture image data including texture images by sampling the texture images in accordance with feature of material, the texture images acquired or created under different conditions, converter to convert the compressed texture image data into first multi-dimensional texture, the first multi-dimensional texture including a codebook and index images containing index information indicating addresses assigned to data of the codebook, the codebook storing image data extracted from same pixels in the texture images and collected, generation unit configured to generate second multi-dimensional texture of a size based on the first multi-dimensional texture, and mapping unit configured to map texture samples selected from the second multi-dimensional texture in accordance with the different conditions, based on a three-dimensional model data which specifies shape of an object mapped the texture samples.

摘要翻译： 多维纹理映射装置包括压缩单元，被配置为根据材料的特征，在不同条件下获取或创建的纹理图像对纹理图像进行采样来压缩包括纹理图像的纹理图像数据，转换器将压缩纹理图像数据转换为第一 多维纹理，包括码本的第一多维纹理和包含分配给码本的数据的地址的索引信息的索引图像，所述码本存储从纹理图像中的相同像素提取的图像数据并收集，生成单元，被配置为生成 基于第一多维纹理的尺寸的第二多维纹理，以及映射单元，被配置为基于指定的三维模型数据，根据不同条件映射从第二多维纹理选择的纹理样本 一个对象的形状映射了纹理样本。

公开(公告)号：US07643033B2

公开(公告)日：2010-01-05

申请号：US11183836

申请日：2005-07-19

申请人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

发明人： Masahiro Sekine ,  Yasunobu Yamauchi ,  Shingo Yanagawa

IPC分类号： G09G5/00

CPC分类号： G06T15/04

摘要： Multi-dimensional texture mapping apparatus includes compression unit configured to compress texture image data including texture images by sampling the texture images in accordance with feature of material, the texture images acquired or created under different conditions, converter to convert the compressed texture image data into first multi-dimensional texture, the first multi-dimensional texture including a codebook and index images containing index information indicating addresses assigned to data of the codebook, the codebook storing image data extracted from same pixels in the texture images and collected, generation unit configured to generate second multi-dimensional texture of a size based on the first multi-dimensional texture, and mapping unit configured to map texture samples selected from the second multi-dimensional texture in accordance with the different conditions, based on a three-dimensional model data which specifies shape of an object mapped the texture samples.

摘要翻译： 多维纹理映射装置包括压缩单元，被配置为根据材料的特征，在不同条件下获取或创建的纹理图像对纹理图像进行采样来压缩包括纹理图像的纹理图像数据，转换器将压缩纹理图像数据转换为第一 多维纹理，包括码本的第一多维纹理和包含分配给码本的数据的地址的索引信息的索引图像，所述码本存储从纹理图像中的相同像素提取的图像数据并收集，生成单元，被配置为生成 基于第一多维纹理的尺寸的第二多维纹理，以及映射单元，被配置为基于指定的三维模型数据，根据不同条件映射从第二多维纹理选择的纹理样本 一个对象的形状映射了纹理样本。

公开(公告)号：US20060114262A1

公开(公告)日：2006-06-01

申请号：US11272815

申请日：2005-11-15

申请人： Yasunobu Yamauchi ,  Shingo Yanagawa ,  Masahiro Sekine ,  Yoshiyuki Kokojima

发明人： Yasunobu Yamauchi ,  Shingo Yanagawa ,  Masahiro Sekine ,  Yoshiyuki Kokojima

IPC分类号： G09G5/00

CPC分类号： G06T15/04

摘要： A texture mapping apparatus includes a vector computation unit configured to compute a plurality of projective coordinate system vectors to be acquired when a texture corresponding to an area included in a model surface is projected onto the area, based on configuration information of the area and the texture, a direction computation unit configured to compute an eyepoint direction from the area to an eyepoint and an illuminant direction from the area to an illuminant, based on the projective coordinate system vectors and a normal of a model plane of the area, and a changing unit configured to change the texture based on the eyepoint direction and the illuminant direction, and map the changed texture onto the model plane of the area.

摘要翻译： 纹理映射设备包括：矢量计算单元，被配置为基于将与模型表面中包括的区域相对应的纹理投影到该区域上时，计算要获取的多个投影坐标系向量，基于该区域和纹理的配置信息 方向计算单元，其被配置为基于所述投影坐标系向量和所述区域的模型平面的法线来计算从所述区域到所述区域到所述区域到所述区域的光点方向以及所述光源方向;以及改变单元 被配置为基于眼点方向和光源方向改变纹理，并将改变的纹理映射到该区域的模型平面上。

公开(公告)号：US07486817B2

公开(公告)日：2009-02-03

申请号：US11067662

申请日：2005-02-28

申请人： Shingo Yanagawa ,  Yasunobu Yamauchi ,  Kazuki Taira ,  Rieko Fukushima ,  Yuzo Hirayama

发明人： Shingo Yanagawa ,  Yasunobu Yamauchi ,  Kazuki Taira ,  Rieko Fukushima ,  Yuzo Hirayama

IPC分类号： G06K9/00

CPC分类号： H04N13/307 ,  H04N13/122 ,  H04N13/279 ,  H04N13/305

摘要： An apparatus includes a stereoscopic display region calculator calculating a stereoscopic display region to reproduce a three-dimensional positional relationship in image data displayed on a stereoscopic display device, based on two-dimensional or three-dimensional image data, a position of a target of regard of a virtual camera set in processing of rendering the image data, and orientations of the light beams output from the stereoscopic display device. The apparatus also includes an image processor performing image processing on image data outside a region representing the outside of the stereoscopic display region calculated by the stereoscopic display region calculator. The image processing is different from image processing on image data inside a region representing the inside of the stereoscopic display region. The apparatus also includes an image generator generating stereoscopic display image data from the two-dimensional or three-dimensional image data after processed by the image processor.

公开(公告)号：US20060066718A1

公开(公告)日：2006-03-30

申请号：US11086232

申请日：2005-03-23

申请人： Shingo Yanagawa ,  Yasunobu Yamauchi ,  Kazuki Taira ,  Rieko Fukushima ,  Tatsuo Saishu ,  Yuzo Hirayama

发明人： Shingo Yanagawa ,  Yasunobu Yamauchi ,  Kazuki Taira ,  Rieko Fukushima ,  Tatsuo Saishu ,  Yuzo Hirayama

IPC分类号： H04N13/04 ,  H04N13/00 ,  H04N15/00

CPC分类号： H04N13/351 ,  H04N13/243 ,  H04N13/305 ,  H04N13/307

摘要： An apparatus for generating a parallax image to be used for a display of a three-dimensional image on a three-dimensional integral imaging display includes an image signal acquiring unit, an image signal assigning unit, and a parallax image generator. The image signal acquiring unit acquires a plurality of image signals by picking up an image of an image object from a plurality of different parallax directions. The image signal assigning unit assigns an output order of the plurality of image signal so that the plurality of image signals are arranged in a reverse parallax direction order to an order of beam directions of the three-dimensional integral imaging display. The parallax image generator generates a parallax image from the plurality of image signals to which an output order is assigned by the image signal assigning unit.

摘要翻译： 一种用于在三维积分成像显示器上产生用于显示三维图像的视差图像的装置包括图像信号获取单元，图像信号分配单元和视差图像生成器。 图像信号获取单元通过从多个不同的视差方向拾取图像对象的图像来获取多个图像信号。 图像信号分配单元分配多个图像信号的输出顺序，使得多个图像信号以反向视差方向顺序排列成三维一体成像显示的波束方向的顺序。 视差图像生成器从由图像信号分配单元分配了输出顺序的多个图像信号生成视差图像。

公开(公告)号：US20050195478A1

公开(公告)日：2005-09-08

申请号：US11067662

申请日：2005-02-28

申请人： Shingo Yanagawa ,  Yasunobu Yamauchi ,  Kazuki Taira ,  Rieko Fukushima ,  Yuzo Hirayama

发明人： Shingo Yanagawa ,  Yasunobu Yamauchi ,  Kazuki Taira ,  Rieko Fukushima ,  Yuzo Hirayama

IPC分类号： H04N13/02 ,  G03H1/26 ,  H04N13/00

CPC分类号： H04N13/307 ,  H04N13/122 ,  H04N13/279 ,  H04N13/305

摘要： An apparatus includes a stereoscopic display region calculator calculating a stereoscopic display region to reproduce a three-dimensional positional relationship in image data displayed on a stereoscopic display device, based on two-dimensional or three-dimensional image data, a position of a target of regard of a virtual camera set in processing of rendering the image data, and orientations of the light beams output from the stereoscopic display device. The apparatus also includes an image processor performing image processing on image data outside a region representing the outside of the stereoscopic display region calculated by the stereoscopic display region calculator. The image processing is different from image processing on image data inside a region representing the inside of the stereoscopic display region. The apparatus also includes an image generator generating stereoscopic display image data from the two-dimensional or three-dimensional image data after processed by the image processor.

摘要翻译： 一种立体显示区域计算器，其基于二维或三维图像数据，计算立体显示区域，以再现立体显示装置上显示的图像数据中的三维位置关系， 在渲染图像数据的处理中设置的虚拟相机以及从立体显示装置输出的光束的取向。 该装置还包括对由立体显示区域计算器计算的表示立体显示区域的外部的区域之外的图像数据执行图像处理的图像处理器。 图像处理与表示立体显示区域的内部的区域内的图像数据的图像处理不同。 该装置还包括从图像处理器处理后的二维或三维图像数据生成立体显示图像数据的图像生成器。