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48 votes
2 answers
9k views

Object detection and localization using neural network

Four important computer vision tasks are classification, localization, object detection and instance segmentation (image taken from cs224d course): These four tasks are all built on top of the deep ...
7 votes
0 answers
159 views

How to extend ImageCases?

I was very excited to see ImageCases being documented in version 12. But I immediately desired a mechanism for adding more entities to ...
9 votes
1 answer
268 views

Adding computer vision datasets?

I find having ResourceData/Objects for machine learning datasets to be extremely useful, with their "TrainingData", "TestData" properties: Right now there's only a handful: And even fewer for ...
5 votes
1 answer
269 views

How to write a RCNN (region-cnn)?

Has anyone end-to-end trained a single net that can find the location of objects in an image (with v11.1)? Here's an example of a region-cnn in action, and this is a good description of the approach.
5 votes
0 answers
491 views

How to train a visual attention model?

In version 11.1 there is a new layer type SequenceAttentionLayer[]. I'm interested in how might this be used to train a recurrent visual attention model (see the ...