Objective To compare the value of two ultrasonic tissue characterization (UTC) methods (video frequency method and radio frequency method) in quantitative myocardial contrast echocardiography.
目的比较超声组织定征视频法与射频法在心肌声学造影定量分析中的应用价值。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
本方法对目标回波信号采用了相干视频模拟法，在视频上模拟目标回波的多普勒频率。
Revesible video frequency teaching system is a new kind of important teaching method of distant teaching. It can realize distant teaching and studying and improve the teaching quality.
双向视频教学系统是远程教学的一种新的重要教学手段，它能实现远程交互教学，提高教学质量。
Experimental results for many video sequences show that the method can eliminate high frequency tremble, remain active motion of camera and realize real time image stabilization satisfactorily.
实验结果说明该方法可以较好地去除高频抖动，保留摄像机的主动运动，实现实时稳像。
The experimental results show that the method can effectively remove the high frequency and low frequency noise simultaneously, and video stabilization effect is good.
实验证明，该方法可以有效地去除高频和低频噪声，视频稳定效果良好。
To resolve the problems existed in the estimation of motion in video sequences, a novel method combining gray projection in spatial domain and phase correlation in frequency domain is proposed.
针对视频图像运动检测问题，提出一种空域灰度投影和频域相位相关相结合的亚像素配准方法。
Based on content retrieval method proposing, Sets the new request to video frequency object processing.
基于内容检索方法的提出，对视频对象的处理提出了新的要求。
Based on creating recognition algorithm of audio frequency and video frequency, the recognition method in accordance with HMM is constructed.
在建立音、视频识别算法的基础上，构造出符合HMM的识别方法。
Using super decode-king to obtain multimedia audio-video frequency material from VCD and some files is an effective method to make up the shortage of audio-video material.
利用《超级解霸》，从物美价廉的VCD影碟或其它影文件上抓取影视材料，来丰富多媒体影视素材源，是一种行之有效的弥补影像视素材有限的方法。
The image processing method was introduced into the experiments. Flame height was acquired by the video frequency taken by the camera to give the parameters of lateral critical water flow rate.
将数字图像处理方法运用到实验中，通过读取摄像机拍摄的杉木板垂直火蔓延的视频，实时获取火焰高度，为后续计算临界水施加率提供参数。
The image processing method was introduced into the experiments. Flame height was acquired by the video frequency taken by the camera to give the parameters of lateral critical water flow rate.
将数字图像处理方法运用到实验中，通过读取摄像机拍摄的杉木板垂直火蔓延的视频，实时获取火焰高度，为后续计算临界水施加率提供参数。
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