02 2025 档案

摘要:python读取tfrecord单个数据import numpy as np def parse_tfrec(filename): # 遍历每条样本 feature = None for raw_record in tf.data.TFRecordDataset(filename): example = tf.train.Example( 阅读全文
posted @ 2025-02-15 21:23 提高效率! 阅读(40) 评论(0) 推荐(0)
摘要:用python直接提取gee数据的value(无需下载),适合小体量的数据,免去了下载、提取的繁琐步骤 用@dataclass定义配置,后面可以继续沿用 from typing import List, Dict, Tuple, Callable import pandas as pd import 阅读全文
posted @ 2025-02-10 16:12 提高效率! 阅读(123) 评论(0) 推荐(0)
摘要:import rasterio import pandas as pd def extract_values_from_tif(df: pd.DataFrame, tif_path: str, keys: list) -> pd.DataFrame: """ 从 TIFF 影像中提取多个点的像素值, 阅读全文
posted @ 2025-02-10 16:08 提高效率! 阅读(147) 评论(0) 推荐(0)