I was inspired while watching a television program showing how sleds might have helped with pyramidconstruction.
我是在看一个电视节目时受到启发的，这个节目展示了雪橇可能会有助于金字塔的建造。
2
The function performs the downsampling step of the Gaussian pyramidconstruction. First, it convolves the source image with the kernel.
该函数执行高斯金字塔结构下采样的步骤。首先，它与内核的源图像进行卷积。
3
Whilst the Great Pyramid at Giza is mathematically astounding, its construction was not beyond the ingenious astronomers, scholars and architects of the time.