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Published 20 hours ago • verified publisher icon una-dinosauria

Why only use the even line of data in data_util

Open LittleFlyFish opened this issue 6 years ago • 4 comments

I noticed in the data_util. This method only selects the even line of the original data into the training data and test data. I don't quite understand that. I was thought to directly select all the lines. Besides, in the data n /time d in txt file, is n means there are n frames?

    even_list = range(0, n, 2)

LittleFlyFish avatar Oct 27 '18 13:10 LittleFlyFish

Is that means down sample the original data ? such as changes 50 Hz into 25Hz ? @una-dinosauria

LittleFlyFish avatar Oct 30 '18 10:10 LittleFlyFish

Hi,

Yes, this downsamples from 50Hz to 25Hz. It is also in line with the previous work of Jain et al. CVPR 16 -- we took the data from them and most of the preprocessing code as well.

Cheers,

una-dinosauria avatar Oct 30 '18 17:10 una-dinosauria

Hi,

Yes, this downsamples from 50Hz to 25Hz. It is also in line with the previous work of Jain et al. CVPR 16 -- we took the data from them and most of the preprocessing code as well.

Cheers,

Thank you very much ! It is very helpful !

LittleFlyFish avatar Oct 31 '18 10:10 LittleFlyFish

Hi @una-dinosauria Why do you think the data is downsampled? Is it to conserve memory?

Ammola avatar Apr 02 '19 21:04 Ammola