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approximate position中文是什么意思

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用"approximate position"造句"approximate position"怎么读"approximate position" in a sentence

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  • 概位

例句与用法

  • Aims at application , we mainly discuss face detection in two circumstance . ( 1 ) in the gray image , we use difference image in multi - frames , then get the edge of the face , we make the raw - location to ensure the approximate position of the face , next , we use the template of the face to occlude the pseudo face region and get the region which near the exact face region . ( 2 ) use method of two template matching , first , we get the face template from many face average , second , we copy the eye section of the face template then get the eye template
    文中首先介绍了图像预处理的各种方法,重点介绍了图像分割和人脸检测定位,针对实际应用的要求,着重处理了两种情况的人像检测定位: ( 1 )在灰度图像下对连续输入的多帧进行差分,对于得到的边缘进行处理初步确定人像的大概位置,然后采用模板匹配进行精确定位。 ( 2 )应用双模板匹配的方法,由多人脸平均得到人脸模板和眼睛模板,在检测中采取了首先使用尺度相对较小的双眼模板搜索候选人脸,再用人脸模板匹配进一步筛选候选人脸的方法。
  • In the second method , wavelet transform is combined with modal transform , and transient travelling - wave signal is used . after three phase signals are decomposed into their modal components , the wavelet transform coefficient of ground mode can be used to identify approximate position of fault , and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave
    第二种方法将小波变换与模式变换理论结合起来,采用的是暂态行波信号,首先将三相信号转换成模式分量,零模分量的小波变换系数用于判别故障的大致位置,然后利用线模分量的小波变换系数来确定行波到达时间。
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