运动图像压缩编码技术是多媒体技术的重要组成部分,高效快速的算法研究一直是国际学术界和工业界关注的热点问题。
Motive image coding is an important part of multimedia techniques. Study on fast and high efficient algorithms has always been a hot question in international industry and academia.
通过运动估计与补偿技术去除帧间冗余是实现视频图像压缩的关键技术之一。
Cancelling frame redundant through motion estimation and compensation is one of the key technique of the video image compression code.
在视频图像数据压缩技术中,视频分析及运动预测是其中的关键技术之一。
It is one of key technique of video analysis and motion predication in video compression.
运动图像实时压缩编码和解压缩解码是高速无线视频传输系统的核心部分。
Motion picture's compress code and decompress decode in real time is the key part of highspeed wireless video transmission system.
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.
研究发现,基于空域运动补偿小波视频编码的相关帧丢帧补偿机制可以在很大程度上降低码率,提高压缩比,改善图像在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.
视窗时提供额外的灵活性,需要在应用图像压缩、运动检测、目标跟踪。
Windowing provides added flexibility in applications that need image compression, motion detection, or target tracking.
医学图像序列压缩是远程医疗系统中的重要技术,而运动估计在视频序列压缩中起着关键作用。
The compression of medical image series is very important in telemedicine. The motion estimation plays a key role in the video sequence compression.
在具有高压缩比的同时,还拥有高质量流畅的图像,然而,也带来了高度的计算复杂度,尤其是运动估计模块中。
The high-quality image is also its advantage the same with its high compression ratio, however, it also brings a high level of computation complexity, especially in motion estimation module.
在静态图像自适应分块压缩的基础上,本文提出了对运动矢量自适应估计的初步探讨。
Based on above idea, this article puts forward self-adaptive estimation to motion vectors and makes the abecedarian discussion.
CMOS架构允许随机访问和window - of - interest显示像素图像压缩、实际应用中可能需要运动检测、目标跟踪。
CMOS architecture allows for random pixel access and window-of-interest readout for applications requiring image compression, motion detection, or target tracking.
实验结果表明采用运动误差与分形视频压缩方法效果明显,压缩比有较大地提高,并且采用该新的压缩方法处理后的图像质量比原来的分形视频压缩效果更好。
Experimental results show that the new method can obtain a much higher compression ratio compared to the original fractal video compression and achieve higher qualities of decompressed images.
细胞神经网络(CNN)是图像处理的有力工具。它已用于人工视觉,录像压缩,图像融合、运动和图形识别等领域。
The cellular neural network (CNN) is a powerful tool for image processing and has been used for artificial vision, video compression, image fusion, motion and pattern recognition.
其次发现运动估计部分由于忽略了图像场景的分级运动而存在一定的无效搜索运算,提出了基于分级运动的可变搜索域法来压缩无效的搜索运算;
Second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences…
对运动区域(视频前景),基于小波分析技术实现视频图像的人脸检测,进而引入改进的人脸模型进行高效的压缩编码;
Following, a wavelet based face detection algorithm is presented for the moving regions (foreground video objects), and an amendment for face model within MPEG-4 is introduced.
对运动区域(视频前景),基于小波分析技术实现视频图像的人脸检测,进而引入改进的人脸模型进行高效的压缩编码;
Following, a wavelet based face detection algorithm is presented for the moving regions (foreground video objects), and an amendment for face model within MPEG-4 is introduced.
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