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    • 1. 发明授权
    • Image processing apparatus and method of same
    • 图像处理装置及其方法
    • US07280121B2
    • 2007-10-09
    • US10947985
    • 2004-09-23
    • Teruyuki NakahashiOsamu WatanabeTanio NagasakiTetsugo InadaYasuhiro MoriyamaHideshi Yamada
    • Teruyuki NakahashiOsamu WatanabeTanio NagasakiTetsugo InadaYasuhiro MoriyamaHideshi Yamada
    • G09G5/00
    • G06T15/503G06T11/203G06T2200/12
    • An image processing apparatus capable of realizing accurate anti-aliasing with a small memory, without being affected by the order of drawing, and without inducing a drop in the drawing speed, including an anti-aliasing system obtaining edge information from an image after drawing, determining a processing content necessary for the anti-aliasing, and performing the determined processing. Specifically, either of the information of a z-buffer and the information of the normal vector at each pixel obtained at the time of drawing, or both information, is scanned or by the information of normal vectors restored from the information of the z-buffer is used, a state machine for holding the state and a counter for measuring the continuity of an edge are prescribed, the value of which pixel adjacent in which direction to each pixel on each edge and what kind of ratio to use for blending are determined, and the determined values are used for blending. This is performed successively until the pixel values are updated.
    • 一种图像处理装置,其能够在不受绘图顺序的影响的情况下实现具有小存储器的精确抗锯齿,并且不引起绘图速度的下降,包括从绘图后的图像获取边缘信息的抗混叠系统, 确定抗混叠所需的处理内容,并执行确定的处理。 具体而言,扫描z缓冲器的信息和绘制时获得的每个像素处的法线矢量的信息,或者两个信息,或从z缓冲器的信息中恢复的法向矢量的信息 ,规定用于保持状态的状态机和用于测量边缘的连续性的计数器,确定与每个边缘上的每个像素在哪个方向上相邻的像素的值以及用于混合的种类的比例的值, 并且将所确定的值用于混合。 这是连续执行直到像素值被更新。
    • 5. 发明申请
    • Image processing apparatus and method of same
    • 图像处理装置及其方法
    • US20050068333A1
    • 2005-03-31
    • US10947985
    • 2004-09-23
    • Teruyuki NakahashiOsamu WatanabeTanio NagasakiTetsugo InadaYasuhiro MoriyamaHideshi Yamada
    • Teruyuki NakahashiOsamu WatanabeTanio NagasakiTetsugo InadaYasuhiro MoriyamaHideshi Yamada
    • G06T11/00G06T15/00G06T17/20G06F15/167G09G5/00
    • G06T15/503G06T11/203G06T2200/12
    • An image processing apparatus capable of realizing accurate anti-aliasing with a small memory, without being affected by the order of drawing, and without inducing a drop in the drawing speed, including an anti-aliasing system obtaining edge information from an image after drawing, determining a processing content necessary for the anti-aliasing, and performing the determined processing. Specifically, either of the information of a z-buffer and the information of the normal vector at each pixel obtained at the time of drawing, or both information, is scanned or by the information of normal vectors restored from the information of the z-buffer is used, a state machine for holding the state and a counter for measuring the continuity of an edge are prescribed, the value of which pixel adjacent in which direction to each pixel on each edge and what kind of ratio to use for blending are determined, and the determined values are used for blending. This is performed successively until the pixel values are updated.
    • 一种图像处理装置,其能够在不受绘图顺序的影响的情况下实现具有小存储器的精确抗锯齿,并且不引起绘图速度的下降,包括从绘图后的图像获取边缘信息的抗混叠系统, 确定抗混叠所需的处理内容,并执行确定的处理。 具体而言,扫描z缓冲器的信息和绘制时获得的每个像素处的法线矢量的信息,或者两个信息,或从z缓冲器的信息中恢复的法向矢量的信息 ,规定用于保持状态的状态机和用于测量边缘的连续性的计数器,确定与每个边缘上的每个像素在哪个方向上相邻的像素的值以及用于混合的种类的比例的值, 并且将所确定的值用于混合。 这是连续执行直到像素值被更新。
    • 8. 发明授权
    • Drawing processing apparatus and method for compressing drawing data
    • 用于压缩绘图数据的绘图处理装置和方法
    • US07609263B2
    • 2009-10-27
    • US11348523
    • 2006-02-06
    • Tanio NagasakiTeruyuki NakahashiMinoru TakahataYasuhiro Moriyama
    • Tanio NagasakiTeruyuki NakahashiMinoru TakahataYasuhiro Moriyama
    • G09G5/00
    • G06T11/40G06T9/001H04N19/93
    • A drawing processing apparatus is provided to solve the problems in which pixels of a drawing primitive with sub-pixel information may have an increased amount of data causing a burden on implementation. A setup processing unit sets up various parameters to allow a digital differential analyzer (DDA) to process the stream of a drawing primitive supplied from a primitive input unit. The DDA performs DDA processing on the drawing primitive supplied from the setup processing unit for conversion into pixel data. The DDA performs the DDA processing on a per rectangular pixel set basis along a scan line to output the pixel data of the drawing primitive on a per rectangular pixel set basis. A compression encoding unit encodes the sub-pixel information of each pixel contained in the rectangular pixel set by run length encoding for output to a FIFO buffer.
    • 提供了一种绘图处理装置,以解决具有子像素信息的绘制图元的像素可能具有增加的数据量导致实现负担的问题。 设置处理单元设置各种参数以允许数字差分分析器(DDA)处理从原始输入单元提供的绘图图元的流。 DDA对从设置处理单元提供的绘图图元进行DDA处理,以转换成像素数据。 DDA根据扫描线在每个矩形像素集上执行DDA处理,以基于矩形像素集输出绘图图元的像素数据。 压缩编码单元通过游程长度编码对包含在矩形像素组中的每个像素的子像素信息进行编码,以输出到FIFO缓冲器。