The invention has the advantages of capability of acquiring more accurate forecasting motion vectors, capability of compressing code rate of motion vectors, and obtaining of performance gain.
本发明可以获得更准确的预测运动矢量，而且能压缩运动矢量码率，获得性能增益。
This paper research the MPEG-4 standard and realize the software prototype of the MPEG-4 video codec. The paper emphasize two key techniques in MPEG-4 encoder: Motion Estimation and Bit Rate Control.
本论文研究了MPEG - 4标准，在实现MPEG - 4视频编解码器软件原型的基础上，重点研究了编码过程中的两项关键技术：运动估计和码率控制。
In order to sufficiently utilize the motion information, the feature images of multi-frame are cumulated to improve the detection probability and reduce the false alarm rate.
为了充分利用目标的运动信息，连续多帧图像的融合特征图像进行能量累积，达到进一步提高检测概率，降低虚警率。
Experimental results show that our algorithm can reduce the computational-complexity to 3% of fast full search motion estimation algorithm, with negligible PSNR loss and bit rate increase.
试验结果证明，该算法能够将计算复杂度降低到快速全搜索运动估计算法的3%，而PSNR和码率几乎与快速全搜索算法得到的结果相当。
As a parachute canopy moves unsteadily through the air, its equations of motion must include the rate of change of momentum of the air in which it is immersed.
当降落伞在空气中作非定常运动时，空气动量的变化率必须包括在降落伞的运动方程中。
Conclusions Combining stain rate and DSE to quantify local myocardial motion is valuable to offer many important clinical messages, and improves the diagnosis of coronary heart disease.
结论DSE与应变率结合定量评价局部心肌运动为临床诊断冠心病提供了有价值的信息。
Scientists knew the most sickening motions closely match the rate of natural breathing; they also knew that people naturally tend to breathe in time with a motion.
科学家发现最让人感到恶心的反应和自然呼吸节律息息相关，人们会自然的通过动作及时调整呼吸。
A motion adaptive frame interpolation algorithm for progressive frame rate conversion of digital video systems is proposed.
本文提出了一种运动自适应的帧内插算法，可以用于逐行扫描的数字视频系统中做帧速率转换。
Speed of staccato repetition is controlled by the amount of up-down motion: the smaller the motion, the faster the repetition rate, in exactly the same way as a basketball dribble.
断奏重复的速度由上下运动的数量来控制：动作越小，频率越高，这与篮球的运球原理完全一致。
Instead of estimating jerkiness based solely on frame rate or motion activity, the number of consecutive dropped frames forms a basic estimation unit.
代替只基于帧速率或运动活 动性来估计图像跳动，相继的丢失帧的数目形成基本估计单位。
The rotation of the Earth includes precession, nutation, variations of the rotation rate and polar motion.
地球自转运动包括岁差和章动，极移和日长的变化。
Objective to study the velocity, strain and strain rate of the carotid arterial wall motion using velocity vector imaging (VVI) in cerebral infarction patients.
目的应用速度向量成像(VVI)技术初步探讨脑梗死患者颈总动脉管壁短轴方向运动速度、应变及应变率的特点。
The model predicts the transient variations of gun chamber pressure, projectile motion and the decomposition rate of propellant.
模型可以预测发射过程中药室内压力、弹丸运动及工质的分解速率的瞬时变化。
When the water content increases, the motion of small particles is obstructed evidently, and the flow rate drops greatly. But the flow rate of big wet particles rises first drops afterwards.
在研究含水量对颗粒质量流率的影响时发现：随着含水量的增加，小颗粒的运动明显受阻，质量流率大大降低，而大颗粒的质量流率会出现一个先升后降的过程。
Brisk Walking: Walking at the rate of about 4 MPH with energetic arm motion.
快走：用力摆动双臂行走，速度约为每小时4英里。
On the base of the constant removal rate of the metal material, the motion model of tangential point tracing grinding of Non-round parts should be given respectively according to type of the parts.
基于恒金属去除率的原则，根据零件的特点分别建立了非圆零件切点跟踪磨削的运动模型。
Measurement of heart rate variability might be an important indicator for the prediction of susceptibility of motion sickness.
心率变异性检测可以作为运动病易感性重要的预测指标。
Considering the effect of heating rate and thermo-softening of material, the redistribution of macro-stress and deformation in structures and the possible heat inducing motion are discussed.
考虑材料的高温软化特征，研讨了温升速率对材料和结构的影响、结构热软化后的宏观受力和变形的重新分布以及可能的热运动。
The warp let... off motion allows the feeding of warp yarn under uniform tension and at the proper rate.
送经机构可以使送出的经纱保持均匀的张力并保证准确有送经量。
For bit rate video application, a rational profile is selected according to analysis of main encoder tools. Fast motion search method and integer transform are implemented by using SIMD technique.
针对低码率应用，分析各编码工具的性能并选取合理编码框架，同时利用单指令多数据(SIMD)技术并行实现快速搜索及整数变换。
The average motion degree and the rate of good knee function in anatomical plate treatment were superior to those in blade plate treatment.
应用解剖钢板组术后膝关节平均活动度及患膝功能康复明显优于角度钢板组。
Results Postoperative follow-up ranging from 2 to 15 years showed that the excellent and good rate was 82 % and the contour, motion and sensory functions of the hand recovered.
结果术后2 ~15年系统随访，其优良率为82%。手的外形及运动和感觉功能得到了良好的恢复。
Primitives can reduce the scatter of the motion parameters greatly and improve the subject-independent action recognition rate and robustness.
在非特定人自然的人体动作识别中，基元特征能够大大降低参数的离散度，提高系统抗噪声能力、鲁棒性和识别率。
Conventional video encoder needs large amount of extra memory and circuit to implement the motion-detection function, and has a large computational complexity on rate-control function.
传统视频编码器需要增加大量额外的存储器和电路完成以运动检测功能，且码率控制算法也比较复杂。
Conventional video encoder needs large amount of extra memory and circuit to implement the motion-detection function, and has a large computational complexity on rate-control function.
传统视频编码器需要增加大量额外的存储器和电路完成以运动检测功能，且码率控制算法也比较复杂。
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