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- Combined with FSVQ algorithm, the traditional DCT transform and integer DCT transform are used to improve the performance of image compression. 对经典DCT变换和整数DCT变换进行研究,并把它们和有限状态矢量量化编码算法相结合,提高了对图像的压缩性能。
- The Integer DCT Transform and Quantization in H.264 H.;264的整数DCT变换编码与量化过程
- The Generic Generating Algorithm For Integer DCT Transform Radix 整数DCT变换中变换基的通用生成算法
- Design and Implementation of AVS Integer DCT Transform & Quantization AVS整数DCT变换和量化方法的设计和实现
- 264/MPEG-4 Part 10. The standard defines so many new techniques such as multi frame motion compensation, 1/4-sample motion compensation, integer DCT transform and so on. 264/MPEG-4 Part10。 使用多参考帧、1/4象素运动估计、整型DCT变换以及其它新技术的H.
- Integer DCT transform 整数DCT变换
- integer DCT( discrete cosine transform ) 整数DCT变换
- Integer DCT ( Discrete Cosine Transform) 整数离散余弦变换
- Based on H.263, it makes use of several critical technique, such as advanced intra/inter prediction modes, 4 by 4 integer DCT transfer, motion estimation at 1/4 pixel level, and content-adaptive binary arithmetic coding. 它以H.;263为基础;采用了先进的帧内、帧间预测模式;4×4整数DCT变换;1/4精度运动估计和基于上下文的二进制算术编码等关键技术;使得H
- A data compress method based on DCT transform has been proposed in order to used the detecting system in a narrow bandwidth network. 为了能在窄带数据网络上实现远程实时监测,本文从采样数据自身的特点出发,提出了基于离散余弦变换的电能质量数据压缩方法。
- The experimental results show that DCT transform is more efficient for predicion processed MCFD images than original ones. 实验结果表明 ,所提出的 MCFD图像的预测处理方法对提高编码效率是有效的
- The thesis introduced principle and effect of DCT/IDCT in image processing at first, and further elaborated the advantages of DCT transform. 本文首先介绍了DCT和IDCT在图像处理中的作用和原理,详细说明了DCT变换实现图像压缩的过程,并与其它变换比较说明了用DCT变换实现图像压缩的优势。
- The H.263 protocol integrates the prediction coding DCT transform coding and entropy coding to realize the compression for video data. 该协议将预测编码、DCT变换编码和熵编码相结合实现对视频数据的压缩,并规定了编码器的总体结构和数据格式。
- The wavelet image coding achieves higher image quality and higher compression ratio than the traditional DCT transform coding. 小波变换图像编码获得了比传统 DCT变换编码更好的图像质量和更高的压缩比。
- The critical part in video compression, DCT transformation, is also analysed. 同时,对视频压缩的关键技术-DCT变换算法也进行了较详细的分析。
- Image Coding Research Based on Integer DCT 基于整型DCT变换的图象编码研究
- Secondly, several prediction modes, such as frame/field prediction and the adaptivechosen of frame/field DCT transform to increase the efficiency of encoder arediscussed. 其次,仔细分析讨论了各种预测方法例如帧/场预测,和帧/场DCT变换怎样自适应的选择,以更进一步的提高编码器的效率。
- The main idea lies in decomposing the difference frame of prediction in a redundant dictionary with much more basis functions, giving up traditional lattice DCT transform. 基本思想是对于预测误差图像信号的分解,不再采用传统的晶格DCT变换,而是选择采用一个拥有更多基函数的冗余字典集合。
- Based on DCT transform, this algorithm can effectively guarantee the transparent of watermark and endure the attack of JPEG compression, noise and filter,etc. 该算法在图像的DCT域中完成,在很好的保证了水印的透明性的前提下,可以很好的抵御JPEG压缩、噪声干扰和中值滤波等攻击。
- In this paper, the basic processes had been gone deep into on DCT transform and K-L transform, and some questions had been genealogical compared and analyzed between them. 讨论了DCT变换和K-L变换的基本过程,通过例证系统地就两者之间的若干问题进行了比较与分析。