This paper proposes a kind of face recognition algorithm based on image difference among the front face pictures with normal expression.
针对表情正常的正面人脸图像，提出了一种基于图像差值的识别算法。
The four path of actualizing differentiation strategy are: product difference, the market difference, the service difference and image difference.
差异化战略的实施途径一般分为产品差异化、市场差异化、服务差异化和形象差异化四个方面。
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.
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。
By using image difference and gray stretch technique, image histogram analysis method was used to investigate the movement of particles in image sequence.
利用差分法配合灰度拉伸对颗粒运动图像进行了处理 ，直方图分析表明 ，像素在灰度上的分布特性与颗粒运动的剧烈程度具有相关性。
The method of flame recognition based on image difference detects the moving information by differencing two sequential frames or every two frames according to the speed of object.
基于差分的火焰识别方法是根据运动目标的速度进行相邻帧或者隔帧差分以得到运动信息。
By adopting the pulse image detecting instrument, the dynamic image of pulse is collected and the method of acquiring the multi-point pulse waves from image difference value is presented.
该文应用新型脉搏图像化检测装置采集脉搏动态图像，提出利用图像差分的方法获取多点脉搏信号。
The experimental results show that this algorithm can overcome the weakness of traditional image difference method and suppress shadows effectively with advantages of self-adaptation and high speed.
实验结果表明，该算法克服了传统的差图像法的缺点，能够有效地抑制阴影的影响，具有自适应性强、速度快等优点。
Finally, the frame processor used for carrying out multiple-field cumulation and image-difference processing and its logical control circuits are briefly treated.
最后对用于实现信号多场累积和象差处理的帧处理器及其逻辑控制电路作了简要说明。
Finally, the frame processor used for carrying out multiple-field cumulation and image-difference processing and its logical control circuits are briefly treated.
最后对用于实现信号多场累积和象差处理的帧处理器及其逻辑控制电路作了简要说明。
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