系统使用CCD获取原始数字图像数据,采用快速算法实现了核心的二维DCT变换,经过编码后,在一个16位定点DSP上实现了快速图像压缩。
The system uses CCD for getting digital image, uses a 16 bit fix-point DSP to perform fast discret cosine transform(DCT) arithmetic and image encoding and realizes a fast image compression in end.
理论推导和实验结果表明了该方法的可行性,该方法可应用于图像的快速余弦变换。
The theoretical and experimental results show that the method is feasible, effective and suitable for fast cosine transform in image processing.
APEX是一种基于快速傅立叶变换的直接盲解卷积算法,能够快速复原复杂纹理图像。
The APEX method is an FFT-based direct blind deconvolution technique that can recover complex texture imagery quickly.
结论:采用特征提取和快速坐标变换的配准方法可较好地应用于数字化可视人数据集的图像配准。
Conclusion: the registration method of picking-up eigenvector and fast coordinate transformation is more applicable to register the dataset of digitized visible human.
通过采取快速傅立叶变换以及优化滤波减弱了图像噪声对相关波峰的影响,能快速、准确、实时的对相关点进行定位。
By using the fast Fourier transform and optimized filter, the impact of image noise has been reduced, so we can estimate the correlation peak fast and accurate.
在粒子图像测速原理的基础上研究了基于快速傅立叶变换的粒子图像测速算法,并编制算法程序进行验证。
A study was performed on the PIV algorithm based on fast Fourier transformation (FFT), and the PIV program was compiled and verified.
在图像灰度分布互相关和快速傅立叶变换的基础上,研究了粒子图像测速的实现。
On the basis of image cross correlation of brightness distribution and Fast Fourier Translation, the implementation of Particle image Velocimetry was studied.
针对一类单幅图像的复制遮盖篡改,提出一种基于快速傅立叶变换相位和幅度的自相关检测算法对篡改部位进行检测。
To detect the forged parts in a single image with copy-move attack, an autocorrelation detection method based on phase and amplitude spectrum of FFT is proposed.
针对一类单幅图像的复制遮盖篡改,提出一种基于快速傅立叶变换相位和幅度的自相关检测算法对篡改部位进行检测。
To detect the forged parts in a single image with copy-move attack, an autocorrelation detection method based on phase and amplitude spectrum of FFT is proposed.
应用推荐