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Nuscenes -- remedies for missing image files or 0-size images encountered during dataset configuration

2022-06-24 22:38:00 【Irving. Gao】

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The image size after decompression is 0

In the process of training , An error occurred while reading this image file , So let's see if there is a problem with this image , Sure enough, the size is 0.
Insert picture description here

resolvent

  • Locate the problem image in the compressed package of which data set

First we need to find the file in all the data set packages ：（ Need to try one by one ）

# tar tvf xxxxx.tgz | grep file_name
tar tvf v1.0-trainval04_blobs_camera.tgz | grep samples/CAM_BACK/n015-2018-08-03-15-21-40+0800__CAM_BACK__1533281213787525.jpg

Insert picture description here

  • Extract the file separately and put it back in the data set ：
# tar zxfv xxxxx.tgz file_name
tar zxfv v1.0-trainval04_blobs_camera.tgz samples/CAM_BACK/n015-2018-08-03-15-21-40+0800__CAM_BACK__1533281213787525.jpg

Insert picture description here 

cp samples/CAM_BACK/n015-2018-08-03-15-21-40+0800__CAM_BACK__1533281213787525.jpg trainval/samples/CAM_BACK/n015-2018-08-03-15-21-40+0800__CAM_BACK__1533281213787525.jpg

Insert picture description here
You can see that the above problems are solved .

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