How to use the img_hash module with JavaCV

[anatolyra]

I'm trying to generate a phash for an image. Unless I'm missing something, the img_hash module is not integrated into the JavaCV lib. Is there a way of doing that?

Thanks!

[saudet]

Marking as duplicate of bytedeco/javacpp-presets#319

Contributions welcome!

[saudet]

I've just added it in commit bytedeco/javacpp-presets@fdc7008
Please try it out with the snapshots: http://bytedeco.org/builds/

[anatolyra]

The snapshot works great, thank you!

When is it going to be released?

[saudet]

Probably before long... Thanks for testing out the snapshots!

[anatolyra]

Having issues with the snapshot repo (it seems to be flakey). Is there an ETA on the release?

[saudet]

Did something break with the latest binaries?

[anatolyra]

No. But there are issues with availability when maven tries to download the jar from the snapshot repo.

…

On Tue, Mar 20, 2018 at 3:11 PM Samuel Audet ***@***.***> wrote: Did something break with the latest binaries? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#933 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AEfrVtpCp4qOXxnJMgL-wfS6WI10ujHyks5tgQAJgaJpZM4SgNNQ> .

[saudet]

Released! Enjoy

[anatolyra]

Hey,

It seems I'm getting this error now:
java.lang.OutOfMemoryError: Cannot allocate new BytePointer(62063): totalBytes = 16, physicalBytes = 1G(Cannot allocate new BytePointer(62063): totalBytes = 16, physicalBytes = 1G)
at org.bytedeco.javacpp.BytePointer.(BytePointer.java:106)
at org.bytedeco.javacpp.BytePointer.(BytePointer.java:71)

Caused by:java.lang.OutOfMemoryError: Physical memory usage is too high: physicalBytes = 1G > maxPhysicalBytes = 989M(Physical memory usage is too high: physicalBytes = 1G > maxPhysicalBytes = 989M)
at org.bytedeco.javacpp.Pointer.deallocator(Pointer.java:576)
at org.bytedeco.javacpp.Pointer.init(Pointer.java:121)
at org.bytedeco.javacpp.BytePointer.allocateArray(BytePointer.java:-2)
at org.bytedeco.javacpp.BytePointer.(BytePointer.java:98)

I'm not sure if I got that with the snapshot. Are you familiar with this type of error?

[saudet]

Just increase the java -Xmx option, it will take care of that.

[anatolyra]

Yes, but by how much? I'm handling up to 50 images concurrently. And have seen this error for small images. Is 1G of memory allocated for each and every image?

…

On Tue, Apr 3, 2018, 5:18 PM Samuel Audet ***@***.***> wrote: Just increase the java -Xmx option, it will take care of that. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#933 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AEfrVnp3V4xlWuAbHxHMM6TOR88MkpW3ks5tk4SYgaJpZM4SgNNQ> .

[saudet]

As much as it needs, probably not 1 GB per image.