在丢包信道中传输子波编码图像时,存在图像重构问题。
Transmission of wavelet coded images over lossy packet networks presents an image reconstruction problem.
由一系列二维图像重构出三维形体,并在计算机上显示出来具有重要的意义。
Reconstructing the 3d shape by a series of 2d images and showing the 3d shape on the computer have the important meaning.
该方法类似于医学数据三维重建,由一序列的分层切片的二维图像重构三维形体。
This method is similar to 3d-reconstruction of medicinal data, which is a process from 2d-slice to 3d - geometric.
基于压缩传感的MRI图像重构利用图像稀疏的先验知识能从很少的投影值重构原图像。
The reconstruction of MRI based on compressed sensing is able to recover the original image from the fewer projections using the sparse priors of image.
不变矩的几何变换不变性特点,使其在模式识别、计算机视觉和图像重构中被广泛使用。
For geometric invariance of the invariant moment, it has been used in pattern recognition, computer vision and image reconstruction.
本文主要讨论了脑eit成像的计算模型和图像重构算法,并对几类典型算法进行了评价。
In this paper, the mathematical model and reconstruction algorithm of the brain EIT have been mainly discussed.
数值实验表明该算法能够更好的匹配图像的几何特征,具有更好的可控性和图像重构效果。
Numerical results show this method is capable of matching the geometrical characteristics of images and has better steerability as well as reconstruction result.
第二章,我们考虑用CGE方法(即带早停止准则的共轭梯度法)求解超解像度图像重构问题。
In Chapter 2, we consider using CGE method (i. e. CG with early stop criterion) to solve the super-resolution image reconstruction problem.
实验结果表明,该算法在有效消除边缘振荡效应的同时,极大地提高了超分辨率图像重构的速度。
Experimental results show that the proposed algorithm has got a significant increase of efficiency while reducing the ringing artifacts effectively.
论文研究了基于图像传感器的原始数据压缩及其彩色图像重构算法以及重构后图像的后续处理算法。
This research discusses the raw data compression and color image reconstruction algorithms based on image sensor and proposes some post-processing algorithms after image reconstruction.
该算法在原有AMLE算法的基础上,保留图像水平集的边界数据,采用逐层处理方法实现图像重构。
On the basis of existing AMLE algorithm, this algorithm saves the bound data of image level sets and uses the method of processing scale by scale to reconstruct image.
为了解决单幅低分辨率人脸图像重构问题,提出了基于线性物体类理论重构超分辨率人脸图像的新方法。
A new super-resolution face image reconstruction method based on linear object-class theory is proposed to deal with the problem of low-resolution face images.
实现即使在完全没有相对数据的情况下也可重构质量好的图像的方法、和可进行这种图像重构的X射线CT装置。
Disclosed are a method for rebuilding image with good quality in the condition of no relative data and X-ray CT device which can do the image rebuilding.
系统使医生能从特定患者的CT图像重构出三维表面模型,并使用了面向术式的手术模拟交互,改善了三维交互。
The system allows surgeons to reconstruct 3D isosurface model from specific patients CT image. To improve 3D interactive performance operation-oriented is presented.
然后利用方向衬比度和区域标准差进行图像融合得到融合的4子带图像金字塔,最后应用子带图像重构得到融合图像。
The image fusion is performed by the direction contrast and region standard deviation to get the fused 4-subband image pyramid. The final fused image is formed with the subband image reconstruction.
实验结果证明在解码率比较高的情况下,本文方案的图像重构效果较嵌入式零树算法好,无损情况下的压缩比也得到了提高。
The result of experiments shows that the improved algorithm gets a better result in both the quality of recompose image and the compression ratio of lossless.
但是,由于超分辨率图像重构本身是一个病态求逆过程,在重构图像中所产生的边缘振荡效应往往很难在重构过程中予以消除。
However, due to the ill-posed nature of the super-resolution image reconstruction, the ringing artifacts can not be easily removed in the reconstruction process.
在压缩感知框架下运用正则化正交匹配追踪(ROMP)算法进行图像重构时,迭代次数取值不合适会严重降低重构图像的质量。
The unsuitable iterative number of the Regularized Orthogonal Matching Pursuit (ROMP) algorithm in the framework of Compressive Sensing (CS) may reduce the quality of image reconstruction greatly.
这些都是借助高分辨电子显微镜提供的数据,进行三维重构得到的图像。
The images were created using 3D reconstruction of high resolution episcopic microscopy (HREM) data.
一种几何重构可以了解这些光线反射前在哪里,这样就可以呈现出一张通常不能被看见的图像(指转角后面的图象,译者注)。
A geometric reconstruction of where the various light rays have been then creates an image of what could not ordinarily be seen.
在终端机中利用图像处理技术重构出机身和机翼的空间向量,计算出无人机的俯仰角、偏航角和翻滚角。
This method USES digital image processing techniques to reconstruct the vector of the airplane. Then the pitching, yawing and roll angel are computed.
处理后的二值图像可重构出牌照区域被增强的图像。
A new image with plate region enhanced can be reconstructed from the processed binary images.
目前,大部分PIT技术未能充分考虑人眼视觉特性,只注重重构图像的客观质量。
At present, only the objective quality of the reconstructed image rather than the characteristic of human sight is considered with most of the existing PIT techniques.
目前MRI重构算法只利用MRI图像稀疏性表示或只利用基于其局部光滑性的先验知识,重构效果不理想。
The current MRI reconstruction algorithms simply use either the sparse priors or the local smooth priors of MRI image, and result in the inferior reconstruction.
本文讨论了编码孔径的设计方法和编码图像的计算机重构方法。
This paper discusses an approach to design coded aperture and computer reconstruction method of coded image.
第四章详细地讨论了利用区间双正交小波,根据小波分解和重构来提取图像的边缘特征的一种新方法。
The fourth chapter discusses in detail a novel method for edge feature detection of images based on wavelet decomposition and reconstruction by means of interval biorthogonal wavelet.
文中对彩色序列图像的三维重构方法做了一些研究。
For Color slice images a new reconstruction method was proposed in the paper.
基于物理真实的有损压缩往往伴随有VOP结构形变,导致重构图像质量下降。
The physical validity based lossy compression algorithms are usually accompanied with VOP structural distortion, leading to the degradation of the reconstructed image quality.
基于物理真实的有损压缩往往伴随有VOP结构形变,导致重构图像质量下降。
The physical validity based lossy compression algorithms are usually accompanied with VOP structural distortion, leading to the degradation of the reconstructed image quality.
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