The effects of 8 isometry transforms used in PIFS based fractal image coding on performance are discussed.
分析了基于部分迭代函数系统（PIFS）的传统分形图像压缩编码中8 种对称旋转变换对编码性能的影响；
Objective To explore the influence of femoral tunnel placement on the isometry of grafts in the reconstruction of posterolateral corner of the knee (PLC).
目的探讨膝关节后外侧角重建术中，股骨隧道定位的变化对移植物等距性的影响。
In this paper, we show that the isometry between the unit spheres of certain normed space and its dual space can be extended to a real linear isometry on the whole space.
本文证明了在一定条件下赋范线性空间与其共轭空间的单位球面之间的等距算子可以延拓为全空间的实线性等距算子。
In this paper, we show that the isometry between the unit spheres of certain normed space and its dual space can be extended to a real linear isometry on the whole space.
本文证明了在一定条件下赋范线性空间与其共轭空间的单位球面之间的等距算子可以延拓为全空间的实线性等距算子。
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