查询词典 reciprocating motion

First we detect the motion region based on Wronskian change detection model in order to eliminate disturbing background and obtain sub-image of motion object.

该方法首先利用变化检测法检测出运动目标区域，剔除静止背景的干扰，得到运动目标子图像。

In case of simple background, we use image difference for motion region detection, and then adopt the original Chan-Vese model for face contour detection and tracking, while in case of complex background, we use Wronskian change detector for motion region detection, and then adopt the modified Chan-Vese model for face contour detection and tracking.

对于简单背景情况，首先利用图像差分进行运动区域检测，然后在运动区域内采用Chan-Vese模型检测人脸轮廓，并根据其定位结果计算下一帧中新的运动区域和提取人脸轮廓；对于背景复杂的情况，则用朗斯基变化检测算子来首先检测出运动区域，然后在运动区域内采用改进的Chan-Vese模型检测人脸轮廓，并根据其定位结果计算下一帧中新的运动区域和提取人脸轮廓。

According to discrete conception, mechanism of image blur caused by uniform motion is analyzed. Mathematical models of image blur and restoration by uniform rotation motion are established by means of Z transform.

从离散直观角度分析了由匀速旋转运动引起图像模糊的机理，通过Z变换方法，建立了由匀速旋转运动引起图像模糊的退化模型和恢复模型，并给出了快速算法。

The Newton the first laws finger object is had the character keeping original motion state , the inertia theorem is also called: Under the circumstances of not accepting an outside force or being accepted an outside force by zero, the object always keeps uniform motion or motionless.

牛顿第一定律指物体具有保持原来运动状态的性质，也被称为惯性定理：在不受外力或所受外力为零的状态下，物体总保持匀速运动或静止。

The equations of the towed cable motion are based on Ablow and Schechter model and six degree-freedom ordinary differential equations are used in the analysis of the motion of a towed body. The partial differential equations are discretized by finite difference method and the transient values of towed body depth and cable tension are computed by Newton Iteration when the heave compensation system performs and the length of the cable varies.

拖缆动力学模型基于Ablow and Schechter模型，拖体采用水下运载体六自由度方程模拟，运用有限差分法离散偏微分方程组和牛顿迭代法计算变缆长情况下拖体深度与拖缆各点张力的动态取值。

It can adaptively set the thresholds of motion selection according to the characteristics of the unplanned motion sequence.

针对在线手眼标定算法的鲁棒性，提出了一种根据运动序列的特点自动设定运动选择阈值的在线手眼标定算法。

In order to realize high precision image motion compensation,the requirements of space camera system was put forward by analyzing the effect of aerocraft attitude on image motion compensation.

通过分析飞行器姿态对像移补偿结果的影响，提出空间相机对飞行器姿态精度的要求以实现高精度的像移补偿。

We compared CK measurements among 3 wall motion grades(i.e.,normal,hypokinetic and akinetic)assessed by qualitative wall motion scoring.

根据二维定性方法对运动正常、运动减弱和运动消失三种室壁运动状态CK测量。

To explore the properties of the cortical response to visual coherent motion and reveal the possible neural mechanism of cortical deficit of visual motion perception in anisometropic amblyopia so that we can diagnosis and treat it earlier and specifically.

以期能进一步揭示屈光参差性弱视视觉运动功能缺陷的可能皮层机制，为早期发现和早期治疗潜在的弱视病人提供理论依据并帮助临床根据弱视不同的脑功能区损害特点进行有针对性的诊疗。材料与方法1。

After the detailed analysis of those macro-blocks that have no forward motion estimation, the motion information is given approximatively relative to their previous reference frames.

首先根据DCT变换和MPEG编码算法，推导出子块的时空偏导数的近似计算方法，并提出了针对不同类型宏块的处理办法，然后给出了MPEG视频序列的光流场估计算法。

Finally, the Knight strung a line between two of the monoliths and tied the horses up there.

最后，骑士们在两颗巨石之间拉了一条绳子，将他们的座骑绑在上面。

T7zN/hyS0 The island lies south by east from here.

那个岛位于此地的正南偏东方向。