给出了同时实现两幅数字图象编码变换矩阵的定义,一般构造模式。
The definition of the transformation matrix for two frame digital image coding performed at the same time and the general structural mode are given.
这项技术被称为STEAM,即连续时间编码放大照相机。 它用一束红外激光照射物体,变换一系列不同的波长,每一个对应着传感器上的一个像素点。
The technology is dubbed STEAM, short for serial time-encoded amplified microscopy.
建立了基于小波变换的运动图像编码系统模型,实现了数据的高效压缩并得到了良好的恢复图像。
A system model of image sequence coding based on wavelet transform is established. Then a high data compression ratio is realized and satisfactorily reconstructed image can be obtained.
本文介绍了笔者做的从程序描述图形(HCP图)到代码(程序)自动变换的工作。本文引入了“图形制导编码”和“专门知识辅助”的自动代码生成的新方法。
Work is done on auto transformation from the program Description chart (HCP chart) to the program code. Some new schemes, "Graphic Guided Coding" and "Domain Knowledge Aided Coding", are introduced.
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.
量化后的仿射变换t构成了图像块的分形块编码。
Quantized affine transformation t constitutes the fractal block coding of the image block.
本文介绍了一种自适应图象变换编码方法来压缩数字图象信号的带宽。
An adaptive image transform coding method for compressing the bandwidth of the digital image signal is described.
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。
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.
图像的压缩包括变换、量化和编码。
The image compression includes transform of image, quantization and encoding.
提出一种利用变形分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using anamorphic fractional Fourier transform and double random phase encoding is proposed.
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented.
方法首先设计了一种基于位编码和坐标变换的快速3D细化算法来提高提取器官骨架的运算速度;
Method A 3D thinning algorithm based on bit encoding and coordinates transform was designed to speed up the calculation of extracting the skeleton.
最近有文献报道图像序列的三维子波变换压缩编码。
D wavelet transform compression coding for image seqUences has been reported recently.
编码模板是阿达玛变换成像光谱仪的关键部件,用以代替入射狭缝和出射狭缝。
Encoding template is a key component of Hadamard transform imaging spectrometer. It is used to substitute the incident slit and exit slit.
并指出基于小波变换的SPIHT编码算法具有对水下图像低比特率编码性能好、可以与纠错技术结合使用等特点。
Our research has showed that SPIHT performs better than JPEG while the underwater images are coded in low bit rate. SPIHT also has a good progressive transmission characteristic.
提出了低码率正弦变换编码算法(STC)的改进算法。
A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
水印信息经随机置换与LDPC编码,对经过二次整数变换之后的直流分量进行修改实现水印的嵌入。
The watermarking information that is stochastically permuted and coded by LDPC is embedded in the modified DC components which are attained by integer transform twice.
他们的系统根据图像中的视觉编码来推导图像坐标到物体坐标的变换。
Their system induces the transformation between code coordinate system and image coordinate system with visual codes in the image.
提出了一种利用相位变换形状保持特性的错误恢复编码新方法。
A new method is proposed for error correction coding based on shape preserving characteristic of the phase-only transform.
本文首先研究了以窗口变换为基础的编码技术以及球面窗口线裁剪的快速求交技术。
First, encoding technology based on window transformation and a new quick calculating of the intersections between the lines and the spherical surface are discussed.
他们变换编码在一个正式的语言的代码在另一个形式语言。
They transform code in one formal language to code in another formal language.
论文同时分析了现有的电子邮件系统传输编码存在的缺陷,提出了一种利用编码效率高、数据扩展率低的数字数据变换方法:基数- 91编码来提高编码效率。
Meanwhile the paper analyzes the deficiency of current transmission coding and describes a new data transformation method, base91 coding with high encoding efficiency but low data extension.
与传统的JPEG标准相比,JPEG2000标准采用了离散小波变换、内嵌编码等技术,从而具有了渐进传输、感兴趣区域压缩、抗误码等新特性。
Compared with the JPEG standard, JPEG2000 standard adopts some different compress technique, such as the Discrete Wavelet Transform, Embedded Coding and so on.
最后,对变换系数进行熵编码压缩。
Finally, the transformed coefficients will be compressed effectively with entropy coding.
IJF编码是将数字基带信号变换成无符号间干扰和抖动的基带波形信号。
IJF coding refers to converting digital baseband signal into Intersymbol Interference and Jitter Free baseband signal.
根据变换编辑码的持点,对变换编码中直流偏移处理提出一种快速算法。
Based on the property of transform coding, a fast transform coding algorithm of DC shift is proposed.
就两个描述的情况提出了三种基于离散余弦变换(DCT)的多描述编码方案。
In this paper, three schemes of multiple-description coding based on DCT are proposed for the case of two descriptions.
图像压缩是数字图像处理中最重要的关键技术之一,传统的图像压缩方法有预测编码、变换编码和矢量量化等。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
再用块编码、参考编码和高维变换(小波)编码等三类I BR压缩系统对照片集图像数据进行压缩。
The image data of the photo set was compressed with IBR compression algorithms such as the block coder, the reference coder and multidimensional wavelet transform.
基于分块dct变换的编码方法,由于具有良好的去相关性和能量压缩特性,已经成为现有大多数图像和视频编码标准的核心技术。
The Method based on the DCT transformation has been the center technology for most of the digital image and video coding standards, since it features on good de-correlation and energy compression.
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