[Ann] Elasticsearch Image Plugin 1.2.0 released

Elastic Stack Elasticsearch
1

Hi All,

I've released version 1.2.0 of Elasticsearch Image Plugin.
The Image Plugin is an Content Based Image Retrieval Plugin for
Elasticsearch using LIRE (Lucene Image Retrieval). It allows users to index
images and search for similar images.

Changes in 1.2.0:

  • Use multi-thread when multiple features are required to improve index
    speed
  • Allow index metadata
  • Allow query by existing image in index

Also I've created a demo website for this plugin
(http://demo.elasticsearch-image.com/), it has 1,000,000 images from
MIRFLICKR-1M collection (http://press.liacs.nl/mirflickr)

Thanks,
Kevin

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2

Awesome demo! Very well done!

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David Pilato | Technical Advocate | Elasticsearch.com
@dadoonet | @elasticsearchfr

Le 20 mars 2014 à 11:41:24, Kevin Wang (kevin807359@gmail.com) a écrit:

Hi All,

I've released version 1.2.0 of Elasticsearch Image Plugin.
The Image Plugin is an Content Based Image Retrieval Plugin for Elasticsearch using LIRE (Lucene Image Retrieval). It allows users to index images and search for similar images.

Changes in 1.2.0:
Use multi-thread when multiple features are required to improve index speed
Allow index metadata
Allow query by existing image in index

Also I've created a demo website for this plugin (http://demo.elasticsearch-image.com/), it has 1,000,000 images from MIRFLICKR-1M collection (http://press.liacs.nl/mirflickr)

Thanks,
Kevin

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3

Hi Kevin,

I've been using Lire for a little while now and was happy to see a plugin
for ES had been created. Great work.

I have a question about the score in ES vs the score in Lire.

For the same dataset, indexed with the same features, and then searched
with the same feature I get the same results however, there are different
scores in the ES results from those in the Lire results, is this normal?

I'm asking because I have some historical stuff which has recorded the
scores given by Lire, and the lower ES scores are going to make it
problematic to use the plugin.

An example:

ES top 3 scores:
0.06624806
0.04820513
0.036607143

Lire Jar top 3 scores:
0.8094672560691833
0.7381518483161926
0.6551922559738159

I'm keen to use ES as it helps to solve some scaling problems. But I'm very
new to ES so I'm not sure how to look in to the difference with the
scoring, do you have any insight?

Many thanks,
V

On Thursday, March 20, 2014 10:41:20 AM UTC, Kevin Wang wrote:

Hi All,

I've released version 1.2.0 of Elasticsearch Image Plugin.
The Image Plugin is an Content Based Image Retrieval Plugin for
Elasticsearch using LIRE (Lucene Image Retrieval). It allows users to index
images and search for similar images.

Changes in 1.2.0:

  • Use multi-thread when multiple features are required to improve
    index speed
  • Allow index metadata
  • Allow query by existing image in index

GitHub - kzwang/elasticsearch-image: Content Based Image Retrieval Plugin for Elasticsearch. It allows users to index images and search for similar images.

Also I've created a demo website for this plugin (
http://demo.elasticsearch-image.com/), it has 1,000,000 images from
MIRFLICKR-1M collection (The MIRFLICKR Retrieval Evaluation)

Thanks,
Kevin

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4

Ok, so it wasn't actually that difficult to find out what was going on :slight_smile:

I don't really understand the motivation for the following bit of code, is
there something bad about returning the Lire score? Could you possibly
explain please?

if (Float.compare(distance, 1.0f) <= 0) { // distance less than 1, consider
as same image
score = 2f - distance;
} else {
score = 1 / distance;
}

Thank you,
V

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