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并行坐标
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  parallel coordinate
     A Parallel Coordinate Descent Method for Unconstrained Optimization
     无约束优化的并行坐标下降法
短句来源
     A parallel coordinate descent method for solving unconstrained optimization problems is proposed. The result of numerical experiment is given, an acceleration multiple and parallel efficiency of the algorithm are discussed.
     提出了一种求解无约束优化问题的并行坐标下降法,并给出了该并行算法的数值实验结果,进而讨论了该算法的加速倍数及并行效率。
短句来源
     A parallel coordinate interpolation algorithm was developed based on Bresenham's straight-line algorithm as a fast enlargement transform for raw iris images on a fixed-point processor.
     为了在定点处理器中实现虹膜图像的快速放大展开,采用Bresenham直线算法思路,设计了并行坐标插值算法,实现对二维平面直线的插值。
短句来源
     The bi-linear interpolation was realized by applying a subpixel straight-line boundary scanning method to the parallel coordinate interpolation algorithm.
     同时设计了一种亚像素直线边界点扫描方法,将其应用于并行坐标插值算法中,实现了虹膜图像的双线性插值。
短句来源
  相似匹配句对
     A Parallel Coordinate Descent Method for Unconstrained Optimization
     无约束优化的并行坐标下降法
短句来源
     Cocurrent Engineering
     并行工程
短句来源
     Models of Parallel Computation
     并行计算模型
短句来源
     Applications of Multi-thread Parallel Processing in Five-axis NC Simulation
     多线程并行处理技术在五坐标数控加工仿真中的应用
短句来源
     (2)The coordinate transformation is realized;
     (2)坐标转换;
短句来源
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  parallel coordinate
Exploratory Analysis using Parallel Coordinate Systems: Data Visualization in N-Dimensions
      
We introduce an exploratory technique that is used to visualize higher order geometries in an easily recognizable two-dimensional representation: parallel coordinate systems.
      
In this research, parallel coordinate systems visual analysis is used to assess competitive pricing behavior.
      
This research illustrates the value and simplicity of adding parallel coordinate systems visual analysis to the manager's exploratory analysis tool kit.
      
A parallel coordinate display for the constraints can be similarly manipulated.
      
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A parallel coordinate descent method for solving unconstrained optimization problems is proposed. The result of numerical experiment is given, an acceleration multiple and parallel efficiency of the algorithm are discussed. The result of calculation shows that the parallel algorithm is feasible.

提出了一种求解无约束优化问题的并行坐标下降法,并给出了该并行算法的数值实验结果,进而讨论了该算法的加速倍数及并行效率。计算结果表明该并行算法是行之有效的。

In iris identification, the non-linear enlargement transform of the raw image is very computationally intensive so it slows the entire system. A parallel coordinate interpolation algorithm was developed based on Bresenham's straight-line algorithm as a fast enlargement transform for raw iris images on a fixed-point processor. The bi-linear interpolation was realized by applying a subpixel straight-line boundary scanning method to the parallel coordinate interpolation algorithm. Tests conducted on the TMS320C55x...

In iris identification, the non-linear enlargement transform of the raw image is very computationally intensive so it slows the entire system. A parallel coordinate interpolation algorithm was developed based on Bresenham's straight-line algorithm as a fast enlargement transform for raw iris images on a fixed-point processor. The bi-linear interpolation was realized by applying a subpixel straight-line boundary scanning method to the parallel coordinate interpolation algorithm. Tests conducted on the TMS320C55x DSP with a 400×400 image show a remarkable improvement in the processing speed while the errors are kept at an acceptable level.

在虹膜身份识别中,虹膜图像的非线性放大展开的运算非常耗时,成为虹膜识别应用中的一个瓶颈。为了在定点处理器中实现虹膜图像的快速放大展开,采用Bresenham直线算法思路,设计了并行坐标插值算法,实现对二维平面直线的插值。同时设计了一种亚像素直线边界点扫描方法,将其应用于并行坐标插值算法中,实现了虹膜图像的双线性插值。通过在TMS320C55xDSP上对400×400的展开图进行测试,这两种算法运算速度较浮点算法有显著的提高,同时精确度也在可接受的范围之内。

 
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