The results of Experimental show that the algorithm can not only enhance the effect of traditional ray-casting algorithm, but also accelerate the speed of the algorithm.

实验结果表明本文算法既可以增强传统光线投射算法的绘制效果，也可以加快算法的速度。

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The author proposes a view selection method for volume rendering algorithm. It combines the formulation of entropy with the ray-casting algorithm to objectively evaluate the quality of view.

作者提出了一种视图选择方法，它将信息熵公式与光投射算法结合在一起能够对体绘制中所选视图质量的优劣做出客观的评价。

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A single-pass ray-casting algorithm is developed based on GPU(graphics processing unit), and on the basis of this algorithm an accelerated algorithm is proposed based on space leaping technique.

实现了一种基于图形处理器的单步光线投射算法，并在此基础上提出了一种基于空间跳跃技术的光线投射算法，以实现加速。

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