affine transform

determination of affine transform of ifs

IFS中仿射变换的确定

the affine transform as a model to register input image and referenced image based on the parameters of transform were used.

利用仿射变换作为变换模型，根据变换参数将输入图像与参考图像进行配准。

we firstly overview the properties of fractal coding in image domain, then we derive the corresponding formula of scaling factor and offset of affine transform in dct domain.

首先，综述了图像域中分形编码的特性，然后导出在离散余弦变换（简称DCT）域中仿射变换的伸缩因子和偏移量的对应公式。

matching and parameter estimation of two point patterns under an affine transform is a very important research topic in the field of computer vision. the key step is to find some invariant features.

仿射变换下的点模式匹配和参数估计是计算机视觉中的重要研究课题，其关键是寻找对仿射变换不变的不变量。

exact and robust parameter estimation and correspondence determination for two point patterns under an affine transform

鲁棒精确的点模式仿射变换参数估计和对应性匹配

experiments proved that the novel atr method could recognize targets correctly in spite of the difference of affine transform, target detail changing and target aberrance.

实验证明，基于仿射变换重建的目标识别方法能够不受仿射变换的影响正确识别目标，并且有效克服噪声和目标形状畸变的影响。

the rigor geometric model based on affine transform is a good algorithm for optic imagery with few gcps.

严密投影仿射变换模型是针对少地面控制点的星载光学影像的一种有效的校正算法；

Since the distortion between synthetic aperture radar ( SAR) and optical images is almost an affine transform.

基于合成孔径雷达（SAR）图像和光学图像间的变形可用仿射变换来近似，提出了一种SAR图像和光学图像自动配准的方案。

a new coding method for medical images that uses an affine transform technique is presented.

本文将目前分形图像编码中采用的分块仿射变换技术用于医学图像的压缩编码中，提出了一种新的医学图像编码方法。

comparison of the new methods with the old ones by simulated images revealed that higher efficient and accuracy could be achieved by introducing affine transform into initial parameter vector.

本文将新的赋初值方法与旧的赋初值方法作了详细的比较，仿真实验结果表明，利用反算得到的仿射变换系数进行赋初值，可以提高效率和测量精度。

the normal methods of translation, rotating and scaling can not be applied to the affine transform of fractal images.

通常分形图不能用常规的平移、旋转和比例变换方法来进行仿射变换。

through affine transform over the current frame, the motion compensation of translation and rotation can be realized.

通过对当前帧进行仿射变换，即可实现对图像的平移和旋转的补偿。

the construction of strong blind digital signature schemes based on affine transform with two variables

基于二元仿射变换构造强盲签名方案

this paper presents a new method for color image compression coding by using fractal affine transform com-bined with correlation of color components.

论文提出了一种利用色彩分量相关性的彩色图像分形编码方法。

this method uses fractal affine transform combined with correlation of color components.

3利用彩色图像三个色彩分量之间存在的密切的相关性，提出将上述分形压缩算法结合图像三分量之间的相关系数联合进行图像编码。

parameter estimation for affine transform without point correspondence

无需点对应性的仿射变换参数估计

sequential images mosaic based on interest-point detection and affine transform model

基于兴趣点检测和仿射变换模型的序列图像拼接

using multi-matching system based on dynamic affine transform for iris recognition

基于动态仿射变换进行复式匹配的虹膜识别方法

in order to reduce the storage of chinese character bitmap database, a new hierarchical chinese character database design method based on affine transform was proposed.

为减少汉字图像字库的存储量，提出了一种基于仿射变换的分级汉字字库构造的新方法。

optical image iterated function system is established by combination optical affine transform and optical feedback system. related simulation experiments and physical experiments have been done.

结合光学仿射变换与光学反馈系统建立了光学图像迭代函数系统，进行了相关的仿真实验和物理实验，根据实验结果分析了系统的稳定性和扩展性。

affine transform reconstruction based target recognition

基于仿射变换重建的目标识别方法

in the end, the relation of image iterated function system and fractal has been studied. the optical construction of affine transform is proposed to achieve optical affine transform of image.

最后，研究了图像迭代函数系统与分形的联系，提出了图像仿射变换的光学结构。

with analyzing the availability of fractal image coding and the characters of affine transform in wavelet domain, a fractal image coding approach based on classifications is presented in this paper.

通过分析小波分解作为分形图像编码预分解的有效性和小波域内仿射变换的特性，提出一种基于分类的小波域内的分形图像编码方法。

then, the cradle corrected algorithm based on the image registration used the affine transform and correlation was described.

然后基于图像配准技术在医学图像的应用理论，根据校正床板影像的需要，设计了基于仿射变换和互相关技术的床板影分级配准校正算法；

an robust object locating method based on log-polar transform and affine transform

基于对数极坐标变换和仿射变换的目标识别定位方法

finally, the image can be corrected by affine transform.

最后采用逆仿射变换的方法，对表框图像进行双线性插值旋转，得到表框的矫正图像。

image affine transform by fractal interpolation and edge contour

分形插值结合边缘轮廓实现图像仿射变换

dynamic simulating algorithm of double cranes' loading and unloading based on affine transform

基于仿射变换的双克令吊装卸动态仿真算法

first, by adjusting sensor parameters, the scaling change between images is eliminated and the affine transform is simplified into rigid transform.

首先，利用传感器参数的调整，消除图像间的比例变化，将仿射变换简化为刚体变换；

image geometric based degradation includes image affine transform ( i.e. translation, scale, rotation, clip and so on.) and the nonlinear distortion of the camera.

图像的几何退化主要包含图像的仿射变换（旋转、平移、尺度缩放、剪切、拉伸）和摄像机的非线性畸变等。