This paper presents a small target infrared image compression scheme based on classified vector quantization.
本文提出了一种基于分类矢量量化器的小目标红外图像的压缩方法。
We study compression of document image, and propose a region segmentation based document image compression scheme.
对文档图像的压缩问题进行了研究,提出了一种基于区域分割的文档图像压缩方法。
The experiment results show the image compression scheme can improve the recovery image quality and peak signal-to-noise ratio(PSNR).
实验结果表明:该算法有较好的重构图像主观质量和较高的峰值信噪比(PSNR)。
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)。
The experiment results show that the new still image compression scheme provides higher perceptual quality and higher PSNRs than SPIHT etc., especially at low bit rates.
仿真实验结果表明,所提出的图像编码方法是一种高效的图像压缩算法,其压缩效果明显优于SPIHT等编码方法(特别是低比特率下)。
Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).
实验结果表明该算法在低码率下,相比jpeg,获得了在视觉效果和峰值信噪比方面更好的恢复图像质量。
A new scheme for image compression coding is proposed.
本文提出了一种新的图像压缩编码方案。
Experimental results show that the proposed scheme is robust for some image processing operations such as lossy JPEG compression, low pass filtering, median filtering and cropping.
实验结果表明水印是不可察觉的,经过JPEG有损压缩、低通与中值滤波、剪切等图像处理操作后仍是鲁棒的。
Finally, TMS320C6201 being the kernel, an image compression coding algorithm is given to achieve the scheme for hardware realization.
最后以TMS320C 6201为核心给出了图像压缩编码算法的硬件实现方案。
Combined with various applications in image coding and compression, lifting scheme transform is compared with wavelet transform in both hard realization and computation burden.
结合图像压缩编码的具体应用,从硬件可实现性和计算量两个方面对比了提升框架变换和小波变换。
Objective: to propose a new scheme for removing inter-frame redundancies of medical image sequences to facilitate the compression, memory and transmission of the images.
前言:目的提出一种医学序列图像消除帧间相关的新算法,以利于图像信号的压缩、存储和传输。
At last, by generalizing our spherical parameterization algorithm and adaptive sampling scheme to the planar case, we can adopt image compression algorithms to compress geometric signals.
最后,通过把球面参数化算法和自适应采样算法扩展到平面,我们提出一种基于传统图像压缩技术的几何信号压缩算法。
Firstly, the thesis presents the system scheme of digital image compression based on PDVQ. Then we introduce the hardware design, FPGA logic realizing and FPGA implement of image processing algorithm.
本文首先给出了基于PD VQ的数字图像压缩系统的系统方案,然后介绍了系统的硬件结构设计、FPGA逻辑实现以及图像处理算法的FPGA实现。
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.
序列图像压缩方面,在静态图像压缩算法基础上,提出并实现了一种基于小波的无人机序列图像压缩方案。
Currently, most infrared image compression systems adopt the scheme of existing mature image and video coding standards.
目前,在现有的红外图像压缩系统中,其压缩方案均采取已经成熟的图像压缩标准。
Experiments show that the scheme can greatly decrease the entropy of high passes and the lossless image compression bit rate, while the computational complexity increases slightly.
实验结果表明,该方法能有效降低高频子带的信息熵,降低图像的无损压缩比特率,计算复杂度上升不大。
The results show that the application of JPEG2000 and ROI technique to medical images compression is a ascendant scheme, which can preserve significant image info…
实验结果和分析表明,JPEG2000标准和ROI技术应用于医学图像压缩,对保证医学图像重要信息不失真,又能够提高压缩比,是一个优越的方案。
In addition, robustness of the scheme against JPEG lossy compression, image enhancement, noise addition and statistical averaging attacks among others are provided.
此外,文中还分析了算法对JPEG压缩、图像增强、加入噪声及共谋攻击等操作的鲁棒性。
The embedded image compression algorithm is discussed. To speed the embedded image compression algorithm with wavelet, a depth variable embedded coding scheme is proposed.
为了提高小波嵌入压缩算法的速度,提出了一种可变深度嵌入小波压缩算法。
Experimental results show that this scheme is very robust against the typical image processing attacks such as noise, filtering and lossy compression.
实验表明,该算法对于抵抗各种噪声、滤波和压缩等攻击具有很好的鲁棒性。
Experimental results show that this scheme is very robust against the typical image processing attacks such as noise, filtering and lossy compression.
实验表明,该算法对于抵抗各种噪声、滤波和压缩等攻击具有很好的鲁棒性。
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