Fringe examination of the digital image is an important fundamental to explore the further image processing areas, such as image division, object region reorganization and region shape picking-up.
数字图像的边缘检测是图像分割、目标区域的识别、区域形状提取等图像分析领域十分重要的基础。
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Three photographs, in which the shape of the image is the same, but the fringe distribution is different, can be obtained by time average holographic technology with three-images.