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    • 4. 发明授权
    • VLIW system with predicated instruction execution for individual
instruction fields
    • 具有针对各个指令字段执行预定指令的VLIW系统
    • US6041399A
    • 2000-03-21
    • US884667
    • 1997-06-27
    • Koichi TeradaKeiji KojimaYoshifumi FujikawaTohru NojiriKiyokazu Nishioka
    • Koichi TeradaKeiji KojimaYoshifumi FujikawaTohru NojiriKiyokazu Nishioka
    • G06F9/30G06F9/32G06F9/34G06F9/38G06F9/45
    • G06F9/3885G06F9/30072G06F9/3824
    • In the case of constituting a processing unit having the characteristic of a VLIW type processing unit and the characteristic of a pipeline type processing unit, since reference to the result of operations is made among a plurality of processing units executing in parallel the operations, transfer of the register file is frequently generated among the processing units, resulting in insufficient effect of the high speed operations. In view of solving this problem, the predicate registers are provided and moreover a means for broadcasting the update data of the predicate register to all processing units is also provided. Thereby, operations for obtaining branching condition and numerical value can be realized in different processing units and the number of steps of the processing program can be reduced. In addition, since high speed transfer between the processing units of the data register having a wider bit width is no longer required and thereby the mounting area can be reduced and high speed processing unit can be realized.
    • 在构成具有VLIW类型处理单元的特征的处理单元和流水线类型处理单元的特性的情况下,由于在并行执行操作的多个处理单元中进行操作结果的参考,因此, 在处理单元之间经常生成寄存器文件,导致高速操作的效果不足。 为了解决这个问题,提供了谓词寄存器,并且还提供了用于向所有处理单元广播谓词寄存器的更新数据的装置。 因此,可以在不同的处理单元中实现获得分支条件和数值的操作,并且可以减少处理程序的步数。 此外,由于不再需要具有较宽位宽的数据寄存器的处理单元之间的高速传输,从而可以减小安装面积,并可实现高速处理单元。
    • 5. 发明授权
    • Digital-watermark-embedding and picture compression unit
    • 数字水印嵌入和图像压缩单元
    • US07352877B2
    • 2008-04-01
    • US10620603
    • 2003-07-17
    • Yoshifumi FujikawaYukio FujiiKoichi Terada
    • Yoshifumi FujikawaYukio FujiiKoichi Terada
    • G06K9/00
    • G06T1/0057G06T1/0028G06T2201/0051G06T2201/0061
    • In order to avoid content deteriorations caused by embedment of a digital watermark into a moving picture, a process to search a picture for a motion and a process to filter a picture for medical care must be carried out, raising a processing cost. It is thus difficult to implement equipment for processing such pictures at a low cost. In a compound apparatus for encoding compressed code of a moving picture by employing a unit for embedding a digital watermark into a picture, a digital-watermark embedment quantity is determined by using a motion vector and a quantization parameter in a process to embed a digital watermark into the picture. It is thus no longer necessary to carry out the process to search a picture for a motion and the process to filter a picture for medical care for embedment of a digital watermark so that the cost of the entire apparatus can be reduced substantially.
    • 为了避免将数字水印嵌入到运动图像中引起的内容恶化,必须执行搜索图片以进行运动的处理和用于过滤用于医疗的图片的处理,从而提高处理成本。 因此难以实现以低成本处理这样的图像的设备。 在通过采用用于将数字水印嵌入图像的单元来编码运动图像的压缩码的复合装置中,在嵌入数字水印的处理中通过使用运动矢量和量化参数来确定数字水印嵌入量 进入图片。 因此,不再需要执行搜索图像以进行运动的处理以及用于过滤用于医疗的图像以用于嵌入数字水印的处理,使得可以显着降低整个装置的成本。