图像旋转

得到印鉴的几何参数后，根据其偏转角采用图像旋转的逆向变换法对待验印鉴和模板印鉴进行配准，既提高了配准速度也保证了配准精度。

Then according to the deflection angle of the acquired geometrical seal parameter , the swatch seal and the model seal are matched by way of converse transform method of image rotate . As a result , the match speed and precision are both enhanced .

在实现基本功能的基础上，设计并实现了动态窗宽、窗位调节技术；设计并实现了基于目标图像的旋转算法，保证了图像旋转的目标图像面积不变性；

In the procedure of implementation basic function , we designed a method to dynamic adjust Windows center / Windows width and image rotate algorithm , which don 't change target image dimension .

基于FPGA的高速高质量图像旋转

FPGA-based Fast and High-quality Rotation of Image

VB中图形图像旋转的实现

The Implementation of Rotating Graphs and Images in VB

在该方法中，PCA被用于求取坐标变换矩阵以进行图像旋转修正。

The geometrical transform matrix to correct the image is acquired by the PCA .

第二部分介绍一种基于单片FPGA的实时图像旋转系统。

The second section of the paper introduces how to implement the real time image rotation system based on FPGA .

一种适用于指纹识别ASIC的图像旋转算法

A Novel Image Rotating Algorithm for Fingerprint Recognition ASIC

基于LOD模型的多幅图像旋转拼接算法

An Algorithm for Many Images ' Rotation and Joining Based on LOD Model

结果螺旋CT扫描三维重建15例髋臼骨折均被揭示。而且应用关节分离技术和图像旋转技术能够揭示骨折的细节。

Results Spiral CT scanning 3D reconstruction may not only reveal acetabulum fractures of all patients but also show every detail of acetabulum fractures in 3D images of all patients .

Micro-CT系统中对投影图像旋转中心的校正

Correction of Projective Images ' Rotational Center in Micro-CT System

基于CORDIC算法的数字图像旋转实现

Implementation of digital image rotation based on CORDIC

在JPEG压缩，图像旋转及剪切等攻击方式下，对该水印算法进行了鲁棒性分析。

The robustness of the watermark under different attacks such as JPEG compression , image rotation and histogram equalization has also numerically been analyzed .

实验中实现了该算法，并应用于已有的未做图像旋转预处理的AFIS。

The algorithm is implemented and applied to an existing AFIS without image rotating module .

针对基于Gabor的纹理特征提取算法中，特征维数偏高及对于图像旋转较敏感的问题，提出了一种改进的Gabor特征编码方法。

In view of the higher dimension and its sensitivity to picture orientation in Gabor textural property extraction algorithm , this article proposed an improved Gabor feature coding method .

研究了指纹图像旋转预处理对基于相关系数原理的自动指纹识别系统（AFIS）的正确识别率的影响，证明指纹图像旋转对确保指纹识别系统的安全性是必要的。

The effect of fingerprint image rotation on correct recognition rate of correlation-based automatic fingerprint recognition system ( AFIS ) is studied .

水印算法充分利用SIFT特征点对图像旋转、缩放和平移等几何变换具有不变性的特点，构造稳健的SIFT局部不变特征区域，水印的嵌入和检测就在这些局部区域的小波变换域中进行。

The watermarking algorithm makes full use of the SIFT feature points , which are invariant to RST transformations , to construct local feature areas . And the embedding and detection of watermarking are in the wavelet-domain of these areas .

针对MOPs算法在处理图像旋转方面的不足，提出了一种新的旋转不变的特征描述子，用以匹配存在缩放、旋转、平移的图像。

In order to solve the problem of image rotation that existing in MOPs algorithm , a novel rotation invariant descriptors are presented to match images with transform of zoom , rotation , translation .

根据FY-4辐射计的扫描方式，分析了产生图像旋转的因素及其特点，推导出了像旋角度和图像偏移的计算公式。

The causations and characteristics of image rotation are analyzed , and the formulae to calculate image rotation angle and image excursion are concluded according to the scan mode of FY-4 radiometer .

大转角下高质量图像旋转快速算法

Fast Algorithm for High Quality Rotation of Image with Large Rotation Angle

视频压缩与图像旋转的硬件实现研究

The Hardware Implementation Research of Video Coding and Image Rotation

基于图像旋转投影的导航路径检测算法

Navigation Line Detection Arithmetic Based on Image Rotation and Projection

实验表明，图像旋转过程中允许的最大倾斜角度为0.002弧度；

The maximum tilt angle of the image is0.002 radian ;

基于图像旋转和分块的奇异值分解图像去噪

Image denoising based on SVD using image rotation and block

一种高效执行并行图像旋转的新方法

A New Method for Efficiently Implementing Parallel Image Rotations

双线性插值算法在荔枝树光合模拟中叶片图像旋转中的应用

Application of bilinear interpolation algorithm in litchi leaf image rotation for photosynthetic simulation

基于频谱特征的图像旋转角度盲检测算法

Image Rotation Angle Blind Detecting Algorithm Based Spectrum Character

消除图像旋转失真的方法

A Method to Eliminate the Distortion of Image Rotation

分别对不同模型进行了图像旋转等仿真识别实验。

The simulating experiment of revolting image with different models has been made .

一种基于错切原理的图像旋转方法

The Method of Image Rotation Based on Shear Principle

采用改进的几何算法快速估计图像旋转角度

Fast Rotational Motion Estimation Based on Modified Geometrical Algorithm