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    • 35. 发明授权
    • Apparatus and method for modifying predicted values, and decoding system
    • 用于修改预测值的装置和方法以及解码系统
    • US08194737B2
    • 2012-06-05
    • US12382663
    • 2009-03-20
    • Takashi Nishi
    • Takashi Nishi
    • H04N7/12H04N11/02
    • H03M7/30H04N19/12H04N19/30H04N19/395H04N19/51H04N19/593H04N19/63
    • An apparatus for modifying predicted values in a predicted image for input to a decoder starts by taking the most significant information bit plane from the predicted image and submitting it to the decoder to be decoded. Subsequent information bit planes are then taken in descending order and submitted to the decoder, but first each of these information bit planes is modified at the locations of prediction errors identified in the preceding information bit plane by comparing that information bit plane with the corresponding decoded bit plane. The modifications improve the general accuracy of the decoded image, enabling the decoder to decode the bit planes with less additional coded information than would otherwise be required. The apparatus is useful in distributed video coding systems.
    • 用于修改用于输入到解码器的预测图像中的预测值的装置开始于从预测图像中取出最重要的信息位平面,并将其提交给解码器进行解码。 随后的信息位平面然后以降序取出并提交给解码器,但是首先将这些信息位平面中的每一个通过将该信息位平面与相应的解码位进行比较来修改在前一信息位平面中识别的预测误差的位置 飞机 这些修改提高了解码图像的一般准确性,使得解码器能够以比否则需要的更少的附加编码信息对位平面进行解码。 该装置在分布式视频编码系统中是有用的。
    • 36. 发明申请
    • Encoder, decoder, and encoding system
    • 编码器,解码器和编码系统
    • US20090228757A1
    • 2009-09-10
    • US12379851
    • 2009-03-03
    • Takashi Nishi
    • Takashi Nishi
    • H03M13/05G06F11/10
    • H04L1/005H03M7/30H03M13/2957H04L1/0066
    • A coding system in which the coding apparatus generates information bits and parity bits and transmits the parity bits and information bits selectively to the decoding apparatus. The decoding apparatus predicts the information bits, stores the predicted information bits, also stores the parity and information bits received from the encoding apparatus, combines the received information bits with the predicted information bits, and uses an error correcting decoder to decode the combined information bits and the stored parity bits. Combining the predicted information bits with received information bits improves decoding accuracy and enables the decoding apparatus to conserve computational resources.
    • 一种编码装置,其编码装置生成信息比特和奇偶校验位,并将奇偶校验位和信息比特选择性地发送到解码装置。 解码装置预测信息比特,存储预测信息比特,也存储从编码装置接收到的奇偶校验位和信息比特,将接收到的信息比特与预测信息比特组合,并使用纠错解码器对组合信息比特 和存储的奇偶校验位。 将预测的信息比特与接收到的信息比特合并提高了解码精度,并使解码装置能够节省计算资源。
    • 40. 发明授权
    • Porous metal body and process for producing same
    • 多孔金属体及其制造方法
    • US5625861A
    • 1997-04-29
    • US544891
    • 1995-10-18
    • Takashi NishiAkira KosakaJun FunakoshiRyutaro Motoki
    • Takashi NishiAkira KosakaJun FunakoshiRyutaro Motoki
    • B01D39/20B22C9/06B22F3/11B22F5/00B22F1/00
    • B01D39/2034B22C9/06B22F3/1103B22F5/007B22F2998/10
    • The porous metal body of the inventtion has a porosity of 7 to 50%, pore sizes of 1 to 500 .mu.m and a pore distribution satisfying the relationship of:(D.sub.95 -D.sub.5)/D.sub.50 .ltoreq.2.5wherein D.sub.5 is the pore size on the cumulative distribution curve of the pore sizes at a cumulative frequency of 5%, D.sub.50 is the pore size on the curve at a cumulative frequency of 50% and D.sub.95 is the pore size on the curve at a cumulative frequency of 95%. The porous body is improved in porosity characteristics and mechanical strength.The porous metal body is prepared by pressing a metal powder to shape and sintering the shaped body by hot isostatic pressing, or alternatively by enclosing a metal powder in a capsule, subjecting the encapsulated powder to a primary sintering treatment in an isostatic medium to form a primary sintered porous body and heat-treating the sintered body with the capsule removed or without removing the capsule.
    • 本发明的多孔金属体的孔隙率为7〜50%,孔径为1〜500μm,孔分布满足以下关系:(D95-D5)/ D50 <2.5其中D5为孔径 在累积频率为5%的孔径的累积分布曲线上,D50是累积频率为50%的曲线上的孔径,D95为累积频率为95%的曲线上的孔径。 多孔体的孔隙率特性和机械强度得到改善。 多孔金属体是通过压制金属粉末,通过热等静压来形成和烧结成形体,或者通过将金属粉末包封在胶囊中,使包封的粉末在等静压介质中进行初步烧结处理,形成 初级烧结多孔体,并且在除去胶囊或不除去胶囊之前对烧结体进行热处理。