...mpling)；使用 GL_LINEAR 告诉 OpenGL 会使用离 像素点中心最近的四个纹理的平均值来渲染，称作双线性滤波( bilinear filtering)。 对于pname 为 GL_TEXTURE_MIN_FILTER 时，还有更多的滤波方法，如表7-4 所示。
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Mipmap and bilinear filtering are used to improve the speed of texture mapping and achieve a good quality of rendering.5)Security problems of 3D graphics data transmission in the network environment are studied,and optimization as selective encryption is presented.
采用了Mipmap+双线性滤波的纹理映射算法,提高了纹理映射的速度,并且具有较好的渲染质量。
参考来源 - 可信嵌入式3D图形系统关键技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
文中用逼近法和双线性变换法，设计了用于圆度测量的高斯数字逼近滤波器，并给出了零相移的递归滤波算法，计算量小，计算效率高，易于实现。
A series of Gaussian digital approximation filters used in roundness measurement were designed on the basis of approximation method and bilinear transformation.
本文提出了一种用双线性变换进行开关电流(SI)梯形滤波器设计的方法。
A design method of switched-current (si) ladder filters using the bilinear transformation is proposed.
双线性变换法设计IIR滤波器可应用于图像处理等方面。
IIR filter, designed by double linear transform, can be used in the field of image processing.
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