在使用手机通话50分钟后(左图)，目标对象右侧靠近大脑区域的活动增强(如箭头所示)。
After a 50-minute call to a cell phone on a subject's right side (left image), nearby brain regions showed heightened activity (arrow).
其目标检测通过确定跟踪区域、分割目标等步骤先减少噪声影响，使图像对比度增强，把目标从背景中突显出来。
The target detection reduces the noise, enhances the image's contrast, and extrudes the target from background through making sure of tracking region and dividing target.
在计算机中采用数字图像处理算法，实现对目标区域图像的增强。
Uses digital image processing algorithm in the computer to realizes the target image enhancement.
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