摘要:
图像的降采样与升采样(二维插值)转自:http://www.lofter.com/postentry?from=search&permalink=1cb3111d_6ee95871、先说说这两个词的概念:降采样,即是采样点数减少。对于一幅N*M的图像来说,如果降采样系数为k,则即是在原图中每行每列每... 阅读全文
摘要:
import numpy as npimport matplotlib.pyplot as pltimport pandas as pd #df = pd.read_excel('/Users/NaCl/Documents/first.xls')#df = pd.read_excel("Users... 阅读全文