双三次插值

首先，在研究图像缩放算法基本原理的基础上，通过分析对比双线性插值算法、双三次插值算法和自适应牛顿插值算法的缩放效果及硬件实现的复杂度，选择自适应牛顿插值算法来做硬件实现。

By analysis and comparison of the visual effect and FPGA implementation complexity of Bilinear Interpolation Algorithm 、 Bicubic Interpolation Algorithm and Adaptive Newton Interpolation Algorithm , we choose Adaptive Newton Interpolation Algorithm to complete hardware implementation .

一种基于小波与双三次插值的CCD图像超分辨方法

Kind of super-resolution method of CCD image based on wavelet and bicubic interpolation

局部构造C~2连续的三次B样条插值曲线和双三次插值曲面

Local Approach to Construct Cubic B-Spline Interpolation Curve and Surface with C ~ 2 Continuity

基于DSPBUILDER的双三次插值算法FPGA实现的研究

A study on FPGA implementation of bi-cubic interpolation algorithm based on DSP builder

提出一种基于Walsh四子带分解，将双三次插值与改进的分形编码相结合的图像压缩方法。

A new image compression coding approach based on Walsh quad-subband dividing is developed by combing the merits of double three-cubed interpolation and improved fractal encode .

该算法在匹配识别前利用Hough变换求出目标边缘直线的参数，根据这些参数调整图像角度，然后利用双三次插值调整图像大小，最后采用PCA（主成分分析）的方法匹配识别出目标。

So before target recognition we get the edge line parameters by Hough transform , according to these parameters rotate the image , and adjust the image size using bicubic interpolation . At last we use PCA ( principal component analysis ) method to recognize the target .

边界条件对双三次插值样条的影响

Influence of Boundary Condition upon Bicubic interpolation Spline

并采用双三次插值方法对图像大小归一化处理。

While in the image normalization , the Bicubic interpolation method is used in it .

基于小波双三次插值提高光学遥感图像空间分辨率的研究

Improvement of the Space Resolution of the Optical Remote Sensing Image By the Wavelet Bi-cubic Interpolation

本文是根据航空影像的特点，基于插值处理和小波变换理论的优点，提出了一种基于双三次插值和小波变换相结合的新的图像超分辨率显示算法。

The algorithm based on aerial image characters , and the virtue of interpolation and Wavelet Transform .

尺寸放大采用的是双三次插值算法，本文通过可配置的电路设计，硬件实现了3种宽屏显示以及这三种显示模式的切换。

By configurable design , 3 kinds of wide screen display modes and switch among them is implemented .

采用水平投影法实现了文本行的切分，采用双三次插值法实现不同大小的文本行图像的规格化。

Carries out text-row extracting using horizontal-projection algorithm , and normalizes the image size using bicubic-interpolation method . 5 .

本文设计并实现了分级双三次插值算法，详细说明了板上系统的模块结构。

Designed and implemented hierarchical Bicubic interpolation algorithm . Detailedly introduced module structure and design in FPGA and presented the overall structure of on-board system .

分析了插值重建的基本原理，介绍了三种主流的插值方法：最临近插值法、双线性插值法和小波双三次插值法。

Analyzing the basic principle of interpolation reconstruction and introducing the mainstream interpolation methods which are nearest neighbor interpolation , bilinear interpolation and wavelet bi-cubic interpolation .

为了在保持原始图像信息的情况下，提高图像的空间分辨率，改善图像的峰值信噪比，在前期的研究中提出了小波双三次插值搜索算法。

In order to improve the resolution and PSNR of the obtained image without damaging its original information , the Wavelet Bicubic Interpolation Search Algorithm was proposed in the previous work .

首先介绍了双三次插值算法的基本原理，接着提出了缩放引擎的系统结构，并系统地论述了放大单元的实现及高效的滤波器设计。

First , the basic theory of bicubic interpolation algorithm is introduced . Then , on the basis of this theory , a new design method for scaling engine is presented .

通过小波双三次插值中高频外推阈值门限选取与峰值信噪比变化关系的分析，提出了小波双三次插值搜索算法。

Through analysis of the changing relationship between the threshold of high-frequency extrapolation in the Wavelet Bi-cubic Interpolation Algorithm and its correspondent Peak Signal-to-Noise Ratio ( PSNR ), a Wavelet Bi-cubic Interpolation Search Algorithm is proposed .

所以，改进的双三次插值算法的运算过程都是整数运算，提高了插值的运算效率。4、不同的图像区域采用不同的插值算法。

Therefore , the computational process of improved bi-cubic interpolation algorithm is integer arithmetic , and the computational efficiency of interpolation has been improved . 4 、 The specific interpolation algorithm is chosen for different image regions .

非零角点扭矢对双三次零插值样条的误差估计

On error estimate of bicubic zero interpolation splines of nonzero angular point twisting vector

阐述了图像插值在图像超分辨率重建中的应用和地位；研究了典型的图像插值算法，在此基础上，考虑到图像的区域特性，提出了一种基于区域自适应的双三次图像插值算法。

The application of interpolation in image super resolution reconstruction is analyzed . Several classic interpolation algorithms are studied . Based on the analysis of these algorithms , concerning of the differences of region features in one image , a region-based bicubic image interpolation algorithm is proposed .

双三次样条插值函数乘积型计算原理及其应用

The Calculation Principle of Double Three Spline Interpolation Function and Its Application

双三次样条插值法的磁熵变计算系统的研究

A Research Into the Calculation Software System of Magnetic Entropy Change Based on Bicubic Spline Interpolation

简单介绍了现在常用的空间插值方法，详细介绍曲面插值中的双三次多项式曲面插值和趋势面插值在水文学上的应用；

This article simply introduced the spatial interpolation method commonly used at present and detailedly introduced double three multinomial curved surface interpolation and trend surface interpolation in hydrology application .

提出了一种基于对莫尔偏折角积分和双三次多结点插值样条有限级数展开的非对称流场三维再现方法，定量地计算了这种非对称流场的三维非对称流场的三维密度分布。

At the same time , a 3-D reconstructive method of asymmetric flow field is presented which is based on the integration of moire deflective angle and double cubic many-Knot interpolating splines , and is used to calculate the 3-D density distribution of the asymmetric flow field .

基于双三次B样条插值的空间结构自由曲面

An algorithm based on bicubic B-spline surface interpolation for free surface design

双三次B样条插值曲面方法是工业造型、机械制造领域应用成熟的一种自由曲面设计方法。

Bicubic B-spline surface interpolation is a widely used algorithm for free surface design in industry field .

提出了结合图像边缘处理的双三次样条函数插值算法。

The processing of cubic spline function of extreme point with infinite derivate ;

基于双三次B-样条插值的大地形重构

Terrain Reconstruction Algorithm Based on Bi - cu bi c B - spline Interpolation

矩形区域上的双三次叠样条插值及其在数值积分中的应用

Double Cubic Spline - on - Spline Interpolation on Rectangular Region and Its Application on Numerical Integration