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    • 1. 发明授权
    • Amount-of-compressed data control method and image data compressing apparatus
    • 数据压缩数据控制方法和图像数据压缩装置
    • US08150186B2
    • 2012-04-03
    • US11946582
    • 2007-11-28
    • Masanori ImataToshihiko HiroseMichio Hirai
    • Masanori ImataToshihiko HiroseMichio Hirai
    • G06K9/36
    • H04N19/192H04N19/126H04N19/149H04N19/15H04N19/176H04N19/60
    • An amount-of-compressed-data control method applicable to image data compression processing for compressing an amount of data is disclosed. The method includes the steps of: performing quantization by: dividing one digital image into multiple blocks each having n×n pixels; performing orthogonal transform on each block; and dividing n×n conversion coefficients resulting from the conversion by each threshold value of a quantization matrix including n×n threshold values each resulting from the multiplication of a predetermined coefficient S (where S is a positive real number); and variable-length encoding the quantized data. In this method, the value of the coefficient S allows the amount of compressed data to fit within a predetermined range of a target amount of data by performing the quantization and encoding by dividing the interval that the coefficient S can take on into multiple intervals and calculating the estimated value of the coefficient S based on the relationship between the amount of compressed image data and the coefficient S, which is defined for each of the divided intervals.
    • 公开了一种适用于压缩数据量的图像数据压缩处理的压缩数据量控制方法。 该方法包括以下步骤:通过以下步骤执行量化:将一个数字图像分成多个具有n×n个像素的块; 对每个块执行正交变换; 并且将由转换得到的n×n个转换系数除以由预定系数S(其中S是正实数)的乘法产生的n×n个阈值的量化矩阵的每个阈值。 并对量化数据进行可变长度编码。 在该方法中,系数S的值通过将系数S可以进行的间隔除以多个间隔进行量化和编码,从而将压缩数据量拟合到目标数据量的预定范围内,并计算 基于压缩图像数据量与系数S之间的关系的系数S的估计值,这是针对每个划分的间隔定义的。
    • 2. 发明申请
    • Amount-of-Compressed Data Control Method and Image Data Compressing Apparatus
    • 数据压缩数据控制方法和图像数据压缩装置
    • US20080131015A1
    • 2008-06-05
    • US11946582
    • 2007-11-28
    • Masanori ImataToshihiko HiroseMichio Hirai
    • Masanori ImataToshihiko HiroseMichio Hirai
    • G06K9/36
    • H04N19/192H04N19/126H04N19/149H04N19/15H04N19/176H04N19/60
    • An amount-of-compressed-data control method applicable to image data compression processing for compressing an amount of data is disclosed. The method includes the steps of: performing quantization by: dividing one digital image into multiple blocks each having n×n pixels; performing orthogonal transform on each block; and dividing n×n conversion coefficients resulting from the conversion by each threshold value of a quantization matrix including n×n threshold values each resulting from the multiplication of a predetermined coefficient S (where S is a positive real number); and variable-length encoding the quantized data. In this method, the value of the coefficient S allows the amount of compressed data to fit within a predetermined range of a target amount of data by performing the quantization and encoding by dividing the interval that the coefficient S can take on into multiple intervals and calculating the estimated value of the coefficient S based on the relationship between the amount of compressed image data and the coefficient S, which is defined for each of the divided intervals.
    • 公开了一种适用于压缩数据量的图像数据压缩处理的压缩数据量控制方法。 该方法包括以下步骤:通过以下步骤执行量化:将一个数字图像分成多个具有n×n个像素的块; 对每个块执行正交变换; 并且将由转换得到的n×n转换系数除以由预定系数S(其中S是正实数)的乘法产生的n×n个阈值的量化矩阵的每个阈值。 并对量化数据进行可变长度编码。 在该方法中,系数S的值通过将系数S可以进行的间隔除以多个间隔进行量化和编码,从而将压缩数据量拟合到目标数据量的预定范围内,并计算 基于压缩图像数据量与系数S之间的关系的系数S的估计值,这是针对每个划分的间隔定义的。
    • 8. 发明申请
    • Polyvinyl Chloride Fiber Reduced in Initial Coloration
    • 初始着色中聚氯乙烯纤维减少
    • US20070265378A1
    • 2007-11-15
    • US11663467
    • 2005-09-29
    • Toshiyuki KawaguchiYuichi OhyamaToshihiko Hirose
    • Toshiyuki KawaguchiYuichi OhyamaToshihiko Hirose
    • C08K5/07A41G3/00D01F6/48
    • C08K5/07A41G3/0083C08K5/098D01F1/10D01F6/48C08L27/06
    • The polyvinyl chloride-based fiber of the present invention is a polyvinyl chloride-based fiber formed of a vinyl chloride-based resin composition that is obtained by blending, with respect to 100 parts by weight of a mixture (a) containing 95 wt % to 50 wt % of a vinyl chloride-based resin and 5 wt % to 50 wt % of a chlorinated vinyl chloride resin, 0.5 parts by weight to 3 parts by weight of a hydrotalcite-based thermostabilizer (b), 0.5 parts by weight to 2 parts by weight of a metallic soap-based thermostabilizer (c), and 0.5 parts by weight to 1.2 parts by weight of β-diketone as a stabilizing aid (d). This polyvinyl chloride-based fiber has excellent spinnability, excellent transparency, small initial coloration and excellent colorability, and thus has a high commercial value as artificial hair for hair adornment, and can be used widely for practical goods and fashion purposes. Moreover, due to this property, the polyvinyl chloride-based fiber also can be applied to a field of industrial materials and the like besides artificial hair.
    • 本发明的聚氯乙烯系纤维是由氯乙烯系树脂组合物形成的聚氯乙烯系纤维,其相对于100重量份的含有95重量%以上的混合物(a)〜 50重量%的氯乙烯类树脂和5重量%〜50重量%的氯化氯乙烯树脂,0.5重量份〜3重量份的水滑石类热稳定剂(b),0.5重量份〜2重量% 重量份的金属皂基热稳定剂(c)和0.5重量份至1.2重量份的作为稳定助剂的β-二酮(d)。 该聚氯乙烯类纤维具有优异的可纺性,优异的透明性,初期着色性和着色性优异,作为头发装饰用的人造​​毛发具有高的商业价值,可广泛用于实用的商品和时尚用途。 此外,由于该性能,聚氯乙烯系纤维也可以应用于除人造毛发以外的工业材料等领域。