What makes customers buy things online anytime and anywhere?
A. Portable devices.
B. 24-hour, 365-day access.
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How did one of my friends solve the problem of luggage lost?
A. Bought her new dresses on the Internet.
B. Took a taxi to a shop to buy new dresses.
图像分割方法主要分以下几类()。
A. 基于阈值的分割方法
B. 基于区域的分割方法
C. 基于边缘的分割方法
D. 基于特定理论的分割方法
边缘检测的算子有:
A. Sobel算子
B. Laplacian算子
C. Scharr算子
D. Roberts交叉梯度算子
从数学角度来看,图像分割是将数字图像划分成互不相交的区域的过程。
A. 对
B. 错