Comments (14)
xyy304519983
commented on July 29, 2024
6
Hello! I trained I3D model on my own dataset, 2 classes, each about 50 videos, the two classes are similar, like open the door/ close the door, after 40 epochs, train_accuracy is 90+%,but the val accuracy is just 50%, the model didn't learn anything useful ! How could I do?
Hi, could you tell me how to train this model on my own dataset? Thanks.
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punitagrawal32
commented on July 29, 2024
2
@95xueqian Hello. May you please share your code to train the model on 2 classes?
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aman-gupta1510
commented on July 29, 2024
1
Hi,
Same question. Can you please tell me how you trained your model for two classes @95xueqian
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joaoluiscarreira
commented on July 29, 2024
Hi,
are you using a pre-trained model and just finetuning it on this data,
right ? That will have a higher chance of working.
Even if you are, the most likely way to make progress is to experiment with
data augmentation, since you do not have a lot of data. Try left-right
flipping, randomly reversing temporally the videos together with changing
the label from "opening" to "closing", randomly slowing down or
accelerating the video, etc, during training.
Best,
Joao
…On Wed, Jan 16, 2019 at 2:54 AM 95xueqian ***@***.***> wrote:
Hello! I trained I3D model on my own dataset, 2 classes, each about 50
videos, the two classes are similar, like open the door/ close the door,
after 40 epochs, train_accuracy is 90+%,but the val accuracy is just 50%,
the model didn't learn anything useful ! How could I do?
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95xueqian
commented on July 29, 2024
@joaoluiscarreira Thanks for your reply! I used the rib_scratch pre_trained model, and I have tried left-right flipping, randomly reversing temporally the videos, but it seemed useless.
I will try randomly slowing down or accelerating the video.
What I want to know most is whether this model is valid on my data set.
Would it be better if I added data?
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joaoluiscarreira
commented on July 29, 2024
Adding data always helps, but indeed, such fine-grained temporal
differences may benefit from a model pre-trained on a task other than
kinetics -- there these distinctions are not well captured by the existing
classes. You could look at the AVA dataset and use the open and close
classes as additional training data --
https://research.google.com/ava/explore.html.
Best,
Joao
…On Thu, Jan 17, 2019 at 2:50 AM 95xueqian ***@***.***> wrote:
@joaoluiscarreira <https://github.com/joaoluiscarreira> Thanks for your
reply! I used the rib_scratch pre_trained model, and I have tried
left-right flipping, randomly reversing temporally the videos, but it
seemed useless.
I will try randomly slowing down or accelerating the video.
What I want to know most is whether this model is valid on my data set.
Would it be better if I added data?
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Shanmugavadivelugopal
commented on July 29, 2024
how can i train my own dataset. Can anyone suggest me ?
Thanks in advance.
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mazatov
commented on July 29, 2024
Looks like a dead thread. Anyone here was able to train the model on 2 classes? @punitagrawal32 @aman-gupta1510 @xyy304519983 @95xueqian @Shanmugavadivelugopal
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xyy304519983
commented on July 29, 2024
谢谢！收到！
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HuZia777
commented on July 29, 2024
@95xueqian Same question.Hello. May you please share your code to train the model?
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xyy304519983
commented on July 29, 2024
谢谢！收到！
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haozheng-visioner
commented on July 29, 2024
谢谢！收到！
Adding data always helps, but indeed, such fine-grained temporal differences may benefit from a model pre-trained on a task other than kinetics -- there these distinctions are not well captured by the existing classes. You could look at the AVA dataset and use the open and close classes as additional training data -- https://research.google.com/ava/explore.html. Best, Joao
…
On Thu, Jan 17, 2019 at 2:50 AM 95xueqian @.***> wrote: @joaoluiscarreira https://github.com/joaoluiscarreira Thanks for your reply! I used the rib_scratch pre_trained model, and I have tried left-right flipping, randomly reversing temporally the videos, but it seemed useless. I will try randomly slowing down or accelerating the video. What I want to know most is whether this model is valid on my data set. Would it be better if I added data? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#45 (comment)>, or mute the thread https://github.com/notifications/unsubscribe-auth/AO6qahEuFBU4dfYoKtuUkLmE3yhSKbIfks5vD-TxgaJpZM4aCNpr .
Hi, did you get the codes for training on your own dataset? I am trying to do the same thing. Would you mind to share the codes with me? Many thanks!
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xyy304519983
commented on July 29, 2024
谢谢！收到！
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haozheng-visioner
commented on July 29, 2024
how can i train my own dataset. Can anyone suggest me ? Thanks in advance.
@Shanmugavadivelugopal Hi, did you get the codes for training on your own dataset? I am trying to do the same thing. Would you mind to share the codes with me? Many thanks!
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