opencv下載
1.輸入指令:sudo apt-get install python3-opencv
輸入這條指令后可以進入python3中查一下現在的cv2版本發現是3.2.0,再進入python中發現cv2的版本是4.1.1,這時候正常思維是刪掉python3中的opencv重新下,
2.執行:sudo apt-get remove python3-opencv
然后先不再次下載,先查一下這時候cv2的版本發現奇跡再現,
如圖所示:

torch1.6+torchvision0.7.0
下載
看了好多最后下載了這篇博主提供的檔案
https://blog.csdn.net/lclfans1983/article/details/108239724?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522160499108119725266960691%2522%252C%2522scm%2522%253A%252220140713.130102334…%2522%257D&request_id=160499108119725266960691&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allsobaiduend~default-1-108239724.pc_first_rank_v2_rank_v28&utm_term=jetson+nano+pytorch1.6&spm=1018.2118.3001.4449
(注意)
1.下載的.whl不要解壓縮,
2.之前下載過依賴,安裝過Cython就不用執行前兩條,直接第三條指令,
3.完成后進入python3中import torch和import torchvision這兩個能否參考,
然后輸入如下指令:
下載torch指令:
sudo apt-get install python3-pip libopenblas-base libopenmpi-dev
pip3 install Cython
pip3 install torch-1.6.0-cp36-cp36m-linux_aarch64.whl
下載相應的torchvision指令:
sudo apt-get install libjpeg-dev zlib1g-dev
git clone --branch v0.7.0 https://gitee.com/zero-one-game/vision torchvision

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