再进行基于空域滤波的单帧检测算法。
Finally, the single-frame detection algorithm based on spatial filter is performed.
于是我们可直接利用镜头中的I 帧检测文字帧的出现。
We can make use of I frames in the shot to detect text frame.
该口播帧检测方法在通用性、实时性和准确性等方面均具有较显著的优点。
The detection method has significant improvement in several aspects such as currency, real-time response, accuracy and etc.
考虑到接收机自动增益控制(agc)的影响，帧检测可以看作一个含未知参数的假设检验问题。
Involving effect of AGC (Automatic Gala Control), frame detection can be taken as a hypothesis test model with unknown parameters.
目标单帧检测算法利用单帧图像内部信息，根据图像平面内目标和背景特征的差异，对目标和背景进行分离。
The single-frame object detection algorithm detects the different character between the object and the background and use the information in a single image to separate the object and the background.
利用运动检测算法，BriefCam软件能把背景（静态或非运动的物体）同运动的物体分开，在帧内记录并分析任何一个动作。
Using motion-detection algorithms, the BriefCam software separates the background (static or non-moving objects) from the moving objects, tracking and analysing any motion within the frame.
换句话说，校验字节的监测和检测过的SONET帧的不同部分中的错误。
In other words, parity bytes monitor and detect errors over different parts of a SONET frame.
其基本思想是：首先根据多帧帧差信息，基于高阶统计检测方法提取运动区域。
The steps are as follows: First, motion area is extracted based on high-order statistics detection method and motion information of multiple frames.
对于司机面部器官的检测，首先要确定司机的脸部，我们采用帧间差分法和肤色检测相结合的方法。
So the integrated method of differential frames arithmetic and complexion detection can make an instant and exact orientation of the driver's face.
在电子稳像中，利用灰度投影的方法可以实现图像序列帧间运动矢量的检测。
The gray scale projection algorithm can detect motion vector of image sequential frames in electronic image stabilization.
灰度投影算法是检测图像序列帧间运动矢量，实现电子稳像的关键技术之一。
The gray scale projection algorithm is a key technique for detecting motion vector of image sequential frames and realize electronic image stabilization.
对典型复杂背景下10幅1000帧图像的仿真结果表明，当信噪比大于或等于1.5时，可以有效检测出运动点目标。
Finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with SNR not lower than 1.5 can be detected effectively.
描述了采用差分图像法实现对谷物害虫检测判断和三帧差分法实现谷物害虫图像恢复与提取的方法。
A method of using difference images to detect grain pests was described and three - image difference was adopted to re-store and extract the pest images.
离线检测板通过对以太网帧上ip地址的截取，来实现用户的离线检测。
The off-line detecting board can detect whether the user is on or off line by intercepting IP addresses.
根据目标、背景干扰和噪声在红外序列图像中的差异，提出了一种基于空间高通滤波和时间域上N帧轨迹积累的运动小目标检测方法。
According to the imaging difference of target, background clutter and noise, a moving small target detection method based on spacial high-pass filtering and N-frame track accumulating is presented.
分组判决算法利用检测窗内所有数据帧，在广义似然比准则下对相关模板进行联合估计，进一步压制了模板噪声。
The group decision algorithm based on GLRT principle was utilized to estimate correlation template through all data frames in detection window and could offer better noise suppression.
背景差法和帧间差法都是常用的运动目标检测方法。
Background subtraction and frame difference method are commonly used moving objects detection methods.
在此基础上主要就镜头分割、关键帧选取、音频特征分类以及视频中文字区域的检测和分割提出了相应改进的算法。
Further it mainly aims at the segment of shot, selection of key frame, classify of audio characteristic and detection of caption-region in video and presents corresponding improved approach.
跟踪变换后的表情特征弹性图序列，采用图像差分方法，检测表情特征处于极大或夸张状态的关键帧。
Through tracking a series of elastic graphs, the key-frames, which contain expression features in exaggerated intensity, can be detected based on images differentiating.
提出一种基于对称帧间差分与背景减除相结合的运动目标检测和自适应背景更新方法。
In this paper, a new method of moving-people detection based on fusion of coterminous frames differencing and background subtraction is proposed.
实验显示，可以用15帧图像较高效地检测出目标。
We can satisfactorily detect the targets within15 frames of images.
默认的碰撞检测在帧结束的时候计算特定联系点。
By default, the collision detector calculates contact characteristics at the end of the current frame.
其次，本文提出一种针对IEEE 802.20 OFDMA工作模式的下行捕获和同步算法，该算法分为下行帧头检测和扇区标识值识别两个步骤。
Secondly, a novel downlink acquisition and synchronization algorithm for IEEE 802.20 OFDMA system is proposed. The algorithm is composed of downlink frame detection and sector PN code identification.
将边缘检测法与改进帧差法进行有机结合，有效地实现了运动和静止车辆的同时检测。
It combines organically the edge detection method and the improved frame difference method to effectively detect the moving and stagnant vehicles simultaneously.
红外图像中的弱小目标因为信噪比和对比度较低，用单帧图像检测很难得到满意的效果，利用多帧图像信息进行检测是有效的手段之一。
In terms of the low SNR and contrast, the small and dim targets can not be easily detected in a single IR image, so utilizing a sequence of images is an effective method.
其次，在帧间处进行细节检测，消除“细节丢失”现象，保证检测结果完整无缺失。
Second, the algorithm makes detailed detection between frame spaces to avoid "details lost" phenomena and gets the whole results.
提出一种数字传输系统中帧同步码的检测方案，利用容错技术和非容错技术相结合来实现帧同步码检测。
We combine the error-tolerant technology with no error-tolerant technology to carry out the detection of the frame synchronization code.
基于视频的字幕检测和增强根据字幕的特殊性选择合理的特征，并利用视频中多帧间的冗余信息实现字幕的检测和增强。
Caption Detection and Enhancement Choosing reasonable features according to the particularity of caption, and combining the redundant information of multiple video frame to detect and enhance caption.
基于视频的字幕检测和增强根据字幕的特殊性选择合理的特征，并利用视频中多帧间的冗余信息实现字幕的检测和增强。
Caption Detection and Enhancement Choosing reasonable features according to the particularity of caption, and combining the redundant information of multiple video frame to detect and enhance caption.
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