• 结合图像压缩编码的具体应用,从硬件可实现性计算量两个方面对比提升框架变换小波变换。

    Combined with various applications in image coding and compression, lifting scheme transform is compared with wavelet transform in both hard realization and computation burden.

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  • 实验证明基于3小波变换的3维SPIHT编码算法超光谱图像压缩时,表现出优良的率失真性能。 并且算法复杂度适中,具有嵌入式特性。

    The test results show that the 3D SPIHT algorithm based on 3D DWT for hyperspectral images compression is very efficient, the algorithm is embedded and has modest complexity.

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  • 建立了基于小波变换运动图像编码系统模型,实现了数据高效压缩得到了良好恢复图像

    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.

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  • 目前小波变换矢量量化以及嵌入式编码已经成为图像压缩主要技术研究热点越来越受到重视。

    Nowadays, wavelet transform, vector quantization and embedded encoding has been the primary technique and study focus for image compression, to which people attach their more importance.

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  • 编码参考编码和高维变换(小波)编码三类I BR压缩系统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.

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  • 整数提升小波变换结构简单需要额外存储空间易于实现图像压缩具有好的应用价值。

    Integer to integer wavelet transform has a simple structure, needs no more storage space and is very easy to be implemented, which is suitable for image compression.

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  • 首先探讨了基于提升方案整数小波变换结合线性预测技术,提出了一种机载多光谱遥感图像无损压缩方法。

    A new method combining integer wavelet transform and linear prediction technique for lossless compression of airborne multispectral imagery is proposed in this paper.

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  • 本文主要研究变换图像压缩中的应用,分析研究等级集合分割算法(SPIHT)。

    In this paper, it is studied to compress image with wavelet transform, and the application of Set Patitioning in Hierarchial Trees (SPIHT) in image process is researched.

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  • 兴趣区域(ROI)进行无损压缩编码过程中,采用整数变换然后进行算术编码方案降低运算复杂度保证图像质量

    In the process of compressing the ROI, to decrease the complexity of computation and ensure the quality of the image, integer wavelets transform and arithmetic algorithm are used.

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  • 研究发现,基于空域运动补偿小波视频编码相关帧补偿机制可以很大程度上降低提高压缩比,改善图像极低码率传输中的质量

    Our study finds out that the compensatory system of relevant frame throwing frame can enhance the rate of compression and improve the quality of image transmitted by the lowest code rate.

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  • 选择9/7-F、9/7-M5/3三种传统用于图像压缩提升方法实现从整数整数的小波后面进一步研究系数编码做好准备。

    Then, the 9/7-F, 9/7-M and 5/3 wavelets which use generally in image compression, are selected for factoring them into lifting steps so as to study the coefficients coding.

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  • 文中使用变换人脸高维图像矢量进行压缩设计了一个支持向量机分类器系统来识别人脸。

    This article utilizes the wavelet transform to compress the high dimensional face image vectors, then devises an SVM classify system to recognition the face.

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  • 利用ARM处理器实现图像小波变换,根据ARM本身的结构特点提出了一种改进嵌入式编码算法,以便在ARM处理器上实现图像压缩

    The paper describes a modified embedded zerotrees coding algorithm adapting to the ARM microprocessor′s structure, which improves the image compression based on the ARM microprocessors.

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  • 变换具有多分辨率尺度特性,特别适合于二维图像信号处理,目前应用静止图像压缩标准中。

    While wavelet transform is suitable in image compression due to its multi-resolution and multi-scale analysis property, and is used in the standards of image compression.

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  • 提出一种基于形态膨胀运算对子重要系数位置信息进行联合编码新型小波图像压缩编码算法

    A new wavelet image compression algorithm was proposed based on morphological dilation and the positional information of the important coefficient couplet belt.

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  • 研究了VR - GIS地质地形景观重建运用小波变换进行地质图像无损压缩分解增强的处理。

    Wavelet transform is applied to compress and decompose and buildup geology image without losing the information, etc. in the VR-GIS geology landscape reconstruction in this paper.

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  • 应用小波变换腹部MRI进行图像压缩平滑化处理应用边缘检测技术进行边缘数据与肝脏特征值提取,并结合医师确定肝脏区域进行图像分割效果的评价。

    Wavelet transforms are used to compress image and smooth edge of liver region from abdomen MRI. The results of image segmentation are evaluated based on the liver region determined by doctor.

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  • 变换提供了一种图像分辨率分解重建表示形式这种小波分解能够有效的利用人类视觉系统特性压缩图像

    Wavelet provides a compact multi-resolution representation and reconstruction of image, which makes it possible to exploit the property of Human Visual System for image coding.

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  • 实验结果表明算法JPEG压缩图像剪裁缩放有较好的棒性,特别对于基于小波压缩算法的图像具有很好的棒性。

    The experiments show that the blind watermarking algorithm is robust in JPEG image compression, image clipping, image scaling and image filtering, especially in wavelet image compression.

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  • 因此,2000年诞生了基于变换的更高压缩率以及更多功能的新静态图像压缩标准JPEG2000。

    To meet the needs in multimedia applications, a new wavelet-based image compression standard- JPEG2000 was developed in 2000.

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  • 序列图像压缩方面,静态图像压缩算法基础上,提出实现一种基于小波无人机序列图像压缩方案

    For image sequence, this paper proposes a scheme of UAV image sequence compression and realizes it on base of the static image compression coding algorithm before.

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  • 本课题就是针对上述问题,通过变换这两种方法进行图像压缩对比压缩效果,总结出分别适合小波和分形压缩图像

    It USES wavelet and fractal to compress image and compare its compression result. Then sum-up what is fit for wavelet and fractal compression.

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  • 变换多分辨率分解优良特性大幅度压缩图像数据很好的保留图像绝大部分信息

    The wavelet has the good multi-resolution decomposition features, which both have a significant compression of image data, but also retain most of the information of an image.

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  • 结合这种压缩思想基于离散余弦变换基于离散小波变换的压缩算法实用型模块化成像光谱仪多光谱图像进行压缩

    Combining the thought dimensioned above, with discrete cosine transform-based and DWT-based compression algorithms, the OMIS multi-spectral images are compressed.

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  • 针对标量量化压缩向量量化压缩速度慢、图像复原效果不理想等弱点,提出了基于变换的分类量化图像编码算法(简称“分类量化编码”)。

    To improve the compression ratio, image quality and coding efficiency, an image coding algorithm based on wavelet transform and scalar vector quantization is presented.

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  • 方案基于变换的场内图像压缩技术,采用小波变换、编码适应量化编码图像数据进行压缩

    The project is based on wavelet transform image compression, and implements wavelet transform, subband coding, The quantization and entropy encoding processes provide data compression;

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  • 小波变换兼有对称性正交性光滑性有限支撑信号处理中的十分重要性质特别适用图像压缩编码

    Multiwavelet possesses such very important properties in signal processing as orthogonality, symmetry, smoothness, and short support, which is specially applicable to image coding for compression.

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  • 本文是在对变换系数分布特点研究之上,提出一种新的基于小波变换的分形图像压缩编码算法

    These thesis put forward a new method of fractal image encodings of compression based on wavelets under the research of distribution of coefficients after wavelets translation.

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  • 本文基于Matlab数学分析工具环境下实验角度出发,探讨了变换图像压缩中的应用小波基的选取。

    From the Angle of the engineering and experimentation in the MATLAB, the paper have discussed the application of image compression based on the wavelet transformation.

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  • 本文提出一种用于图像压缩小波神经网络算法医学图像压缩中的应用进行了研究,实验结果表明算法是具有好的图像压缩效果。

    This thesis proposes a kind of Wavelet neural network algorithm which has been used in the medical image compression, the experiment result shows that the method has a good compression effect.

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