Due to high potential relativity of DCT coefficients and big compression performance of fractal, high compression rate of video data can be realized.
由于频域中dct系数的强相关性和分形的高压缩性能,能够实现视频数据的高压缩。
Then it introduces simply the present development of coding algorithms about arbitrary shape video object, and indicates the algorithms have a high compression rate.
然后简介了任意形状可视对象编码算法的研究现状,并指出此算法是一种产生高压缩比的图像压缩算法。
It has advantages of high compression rate, high compression speed, unchangeable signal and image characteristics after compression, and anti-interference under transmitting.
它的特点是压缩比高,压缩速度快,压缩后能保持信号与图像的特征不变,且在传递中可以抗干扰。
It is much attention of the fractal image compression method because of its high compression rate and the simple mean of decompression . But the effect of the compression is not good.
分形图像压缩方法由于其压缩比高、解压方法简单等原因越来越收到重视,但是它的压缩质量不是很令人满意。
Practical application indicate, sow on the basis of MPEG-4 standard and IP multicast system of technology have in high compression rate, high network width utilization ratio, etc. characteristic.
实际应用表明,基于MPEG - 4标准和ip组播技术的系统具有更高的压缩率、更高的网络带宽利用率等特点。
While the equivalent strain rate is high, this influence is of importance and the compression process can be approximately considered as an adiabatic process.
当等效应变速率较大时,变形热效应对流动应力的影响相当显著,压缩过程基本上成为绝热过程。
Compared with ordinary quadtree, it has some advantages including a high rate of compression and a direct representation.
与常规四叉树结构比较,该方法具有压缩率高、表达直接等优点。
Excellent resistance to oil, high temperature resistance, weather resistance are good, but the mechanical strength, compression deformation rate and water resistance is slightly worse.
对油品有极佳的抵抗力,耐高温、耐候性均佳,但机械强度、压缩变形率及耐水性稍差。
The computation burden of the quadrature sampling and pulse compression is huge when the data rate is high and the time bandwidth product is not small.
在高数据采样率,特别是大时宽带宽积条件下,时域的数字正交采样和脉冲压缩包含大量的乘加运算。
High quality, low bit rate image compression method is one of the key technologies to develop downhole video logging instrument.
高清晰度,低比特率的图像压缩技术是研究井下电视的关键技术之一。
Simulation results show that the proposed scheme has higher compression ratio and performs well on channels with high bit error rate(BER).
模拟结果表明新方案压缩比高,在较高的传输误码率情况下,表现出良好的抗误码能力。
We encode a video sequence with the TMS320C6711DSK successfully, even if the compression rate is as high as 100, video effect we get after decoding the code stream is satisfying.
最后在TMS320C 6711dsk上成功对视频数据进行高压缩比(100倍以上)的编码,对回传的结果解码后得到了令人满意的效果。
High speed and low bit rate coding is very important in dynamic image compression.
进行动态图像压缩时如何兼顾较高的编码速度与较低的码率成为编码的关键。
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 principal advantages of this approach are shift-invariant, high data compression rate, easy real-time implementation, using for invoking the shape filtering and shape measuring etc.
这种方法的主要优点是具有位移不变性、高数据压缩率、容易用硬件实时实现以及可以由物体形态谱表示精确地重构原始图像等。
The compare indicates this method is a low -complexity and high -coding -rate method among the current ECG data compression methods.
该方法是目前ECG信号压缩算法中计算量小、压缩比较高的一种方法。
However, the high coding compression rate USES the high computational complexity for the price.
然而,高编码压缩率是以很高的计算复杂度为代价的。
Based on the isothermal constant strain-rate compression tests, the flow stress of a ultra high strength aluminum alloy was researched.
采用等温恒应变速率压缩试验对超高强度铝合金的流动应力规律进行了研究。
So the system can finish real-time video compression well and compression rate is high and the reconstruction image is clear.
系统很好地完成了视频图像的实时压缩,且压缩比高、重建图像质量好。
The digital image has huge data information, so the algorithm which has high compression ratio and high fidelity rate is urgently needed, taking account of storage cost and communication.
由于数字图像具有数据量大的特点,出于对图像存储成本和图像通信的考虑,良好的图像压缩技术要能够实现高压缩率和高保真率。
Most of the bit-rate control schemes in video-compression standards are designed for medium and high bit - rate conditions, while do not work well for low bit-rate.
在大多数视频压缩标准中,码率控制方法都是针对中高码率情况而设计的,而在较低码率情况下的工作情况都不够理想。
When compression ratio is increased, the volumetric efficiency is increased, giving a fast burning rate and thus high thermal efficiency and power output.
压缩比增加,发动机充量系数增加,燃烧速率加快,热效率提高。
As the latest standard in video codec field, H. 264 has such advantage as high compression-rate, strong error resilience capacity, highly adaptability and so on.
作为视频编解码领域的最新标准,H . 264具有压缩率高、差错恢复能力强、适用范围广等优点。
International level large flow rate high pressure piston pump design, professional dynamic axial compression column design.
国际领先的大流量高压柱塞泵设计,专业的动态轴向压缩制备柱设计。
International level large flow rate high pressure piston pump design, professional dynamic axial compression column design.
国际领先的大流量高压柱塞泵设计,专业的动态轴向压缩制备柱设计。
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