用迭代法对数字图像经过插值放大后产生的模糊问题进行了研究。
We study the problem of blurring of digital images after interpolation and enlargement by using the iteration method.
采用传统插值法放大的图像存在边缘锯齿化和边缘模糊化缺点。
The images magnified by traditional interpolation method have shortages such as blurred edges and jagged edges.
相比于传统的插值放大方法,在提高分辨率的基础上,更多的保留了图像的细节信息。
Compared with traditional image expansion, this not only improved the resolution, but also preserved more detail information.
提出了基于小波变换的ENO插值图像放大方法,对插值后的图像做小波变换,对于高频系数进行修正,经过重构保持放大图像的清晰度。
A method of image magnification with ENO interpolation which based on wavelet transform is presented, to enhance the coefficient of the high frequency subband.
通过大量的实验数据与效果图,验证了本文中提出的两种分别针对图像缩小和图像放大插值算法的可行性和有效性。
These two interpolation algorithms are involved in image zooming-out and enlargement. A great deal of experiment data and processed images confirmed their feasibility and the validity.
对算子进行二维推广,使之更适于插值放大图像的处理。
The edge sensitive operator is generalized to a two dimensional form to efficiently deal with images.
针对图像领域的放大算法在运算量上的高昂,我们的插值放大采用的是比较简单的算法。
Aiming at the high computing quantity of the enlargement algorithms in the picture operating field, our interpolation enlargement algorithm adopts a simple algorithm.
由于分形具有无穷的细节和其自相似性,本文采用分形的方法对图像进行插值放大处理来保持图像放大后的视觉效果。
As the infinite details of the fractal and its self-similarity, this paper adopts the method of fractal interpolation to enlarge the image processing to keep the image enlarged visual effects.
实际上,使用插值的方法不可能补充那些在原始图像中没有,而恰恰就是我们在放大后的图像中需要的细节。
In fact, it is impossible to create the missing information, which corresponds to the details we cannot see in the original image, and we would like to see in the zoomed one.
本发明提供一种在插值时既考虑距离因素的同时考虑了边缘因素的基于样条函数插值算法的图像放大方法。
The invention provides an image magnification method of calculating the distance factor and the edge factor based on the spline interpolation in interpolating.
最后理论和实验结果证明使用双层控制模型可以直接将噪声图像插值放大。
It is even proved by theory and experiments that noisy image can be interpolated directly to the required size using this novel model.
为了能高速、高质量地进行图像放大,提出了一种以硬件方法完成高阶图像插值运算来实现图像放大的新方法。
In order to realize fast, high quality enlargement of image, this paper introduces a new approach to achieve the high order interpolation and realize the enlargement of images by means of hardware.
本发明属于数字图像处理与视频显示技术领域,具体涉及基于线性插值运算的图像放大方法。
The invention belongs to the technical field of digital picture processing and video screening and in particular relates to a picture amplification method based on linearity interpolation operation.
实验结果表明,不论是插值放大图像,还是超分辨率复原图像都具有较高的视觉质量和峰值信噪比。
Numerous experiment results demonstrate the effectiveness of our approach, both in the visual effect and the PSNR value.
实验结果表明,不论是插值放大图像,还是超分辨率复原图像都具有较高的视觉质量和峰值信噪比。
Numerous experiment results demonstrate the effectiveness of our approach, both in the visual effect and the PSNR value.
应用推荐