First of all, how to actualize serial EZW algorithm is introduced.
本文首先介绍了串行嵌入式零树算法的实现过程。
We propose a fingerprint coding algorithm based on directional image, EZW and MRWD algorithm.
在深入研究EZW和MRWD方法基础上,提出了一种结合指纹方向图的指纹压缩算法。
Among so many embedded image coding algorithms, the EZW, SPIHT and SPECK are the best representatives.
在众多的嵌入式图像编码算法中,最具有代表性的是EZW、SPIHT、SPECK三种编码算法。
This paper introduces an improved classification algorithm of wavelet coefficients in image coding using EZW.
本文提出了图像EZW编码中一种新的分类算法。
Emphasis on detailed analysis and illustration of EZW algorithm is given, including zero-tree, scanning fashion and the approach in implementing steps.
重点对EZW算法进行了详细分析和描述,包括零树及其扫描方法,以及EZW算法的实现步骤。
Experiments demonstrate that EZW is able to realize progressive compression, and the peak-signal-noise-ratio (PSNR) of the compressed image is acceptable.
实验证实了EZW可以实现递进式压缩,并且压缩图像的峰值信噪比令人满意。
Considering pixels of different levels have different significance, we utilize improved embedded zerotree wavelet (EZW) to get multilevel thresholds quantization.
根据不同等级像素重要性不同的特性,采用改进的嵌入零树小波编码方法对预测结果进行多阈值量化。
The algorithm improves the EZW algorithm through inducting fast successive approximation quantization and effective treatment of marginal subband of wavelet transform.
该方法通过引入快速逐次逼近量化和对小波变换边缘子带的特殊处理,对EZW算法进行了改进。
The experiment results show that the new still image compression scheme provides higher perceptual quality and less encoding time than EZW, especially at low bit rates.
实验结果表明,该算法具有较好的图像复原质量和较快的编码速度,整体性能明显优于EZW方案(特别是低比特率下)。
Experimental result shows that compared to the traditional EZW, the improved algorithm can increase the peak signal to noise radio (PSNR for short) of image compression.
实验结果表明,与传统的EZW算法相比,该改进算法明显提高了图像压缩的峰值信噪比。
An image coding method is introduced in the field of image engineering which is a new and efficient image coding technique i. e. Embedded zero-tree wavelet EZW image coding.
介绍了图像工程领域里新颖有效的嵌入式零树小波ezw图像编码方法。
The principles and performances of EZW and its improved algorithms are presented and explained, and the research tendency in the area of embedded image coding is pointed out.
文中对嵌入式零树小波编码算法及其改进算法的原理、方法和性能进行了介绍和比较,并指出了嵌入式图像编码的研究方向。
The algorithm has high compression ratio, and can achieve the lossless and loss compression. It can provide the resolution scalability and remain the former advantages of EZW.
该算法具有较高的压缩比,能够实现有损或无损压缩,能够提供分辨率可分级性,而且保持了原来的嵌入式零树编码所具有的优点。
After analyzing classic embedded coding algorithms such as EZW, SPIHT and EBCOT, it is shown that EBCOT is easier to accelerate with hardware and has better image compression performance.
分析了典型的嵌入式编码算法,如ezw、SPIHT和EBCOT,认为EBCOT相对易于实现硬件加速,且具有较好的压缩性能。
After analyzing classic embedded coding algorithms such as EZW, SPIHT and EBCOT, it is shown that EBCOT is easier to accelerate with hardware and has better image compression performance.
分析了典型的嵌入式编码算法,如ezw、SPIHT和EBCOT,认为EBCOT相对易于实现硬件加速,且具有较好的压缩性能。
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