Questions tagged [content-based-retrieval]
33 questions
17
votes
1 answer
Good way to identify similar images?
I've developed a simple and fast algorithm in PHP to compare images for similarity.
Its fast (~40 per second for 800x600 images) to hash and a unoptimised search algorithm can go through 3,000 images in 22 mins comparing each one against the others…
Nick
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10
votes
2 answers
Are there any API's that'll let me search by image?
I have an image and I want to search to see what it is. Any API's available for that?
Shamoon
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6
votes
2 answers
Confusion about (Mean) Average Precision
In this question I asked clarifications about the precision-recall curve.
In particular, I asked if we have to consider a fixed number of rankings to draw the curve or we can reasonably choose ourselves. According to the answer, the second one is…
justHelloWorld
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5
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0 answers
How to implement Content-Based Recommendation system with Tensorflow Recommenders (TFRS)
I want to create content-based recommendation system with Tensorflow Recommenders, but I can’t find any resource about it. There are a few about collaborative filtering. including official tutorial, but can’t find content-based (where you recommend…
Levan Gvalia
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5
votes
3 answers
How is google search by image possible?
Recently google launched its new feature in image search by image means we can search other images by uploading a image in the google search box. How is this possible?
http://images.google.com
Kumod
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3
votes
1 answer
memory error in library linear_kernel to make cosine_similarities
i have data set that contain 8 columns with 1482531 rows for every column
i try to make content based rcomondation system by
making cosine similarities using linear_kernel in python
but after half of hour it till me error memory
are this due to…
ibrahim
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3
votes
3 answers
Similar image search software (like TinEye)
In one of our community sites, we allow users to upload images. These images are approved or rejected by our moderators.
To limit the work needed by our administrators, we want to 'log' each picture that is rejected to some kind of database, and do…
Mattias
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3
votes
1 answer
Recommender System: Is it content-based filtering?
Can someone please help me clarify.
I am currently using collaborative filtering (ALS) which returns a recommendation list with scores corresponding to the recommended items. In addition to this, I am boosting the scores (+0.1) if the items contain…
AlphaWolf
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3
votes
0 answers
Mahout content-based similarity
I have created a custom item similarity that simulates content-based similarity based on a product taxonomy. I have a user who likes only two items:
UserId ItemId Preference
7656361 1449133 1.00
7656361 18886199 8.00
My custom…
Dragan Milcevski
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2
votes
1 answer
How to create an index for a collection of vectors/histograms for content based image retrieval
I'm currently writing a Bag of visual words-based image retrieval system which is similar to the Vector Space Model in text retrieval. Under this framework, each image is represented by a vector (or sometimes also called histogram in the…
lightalchemist
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2
votes
0 answers
Sketch-based Image Retrieval with OpenCV or LIRe
I'm currently reading for BSc Creative Computing with the University of London and I'm in my last year of my studies. The only remaining module I have left in order to complete the degree is the Project.
I'm very interested in the area of…
claytonc
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2
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2 answers
Is it Item based or content based Collaborative filtering?
I am currently working on an existing system that recommends items that are similar to previous items that the user has liked.
It uses Alternating least squares Collaborative Filtering to find feature vectors of users and items. It then uses the…
AlphaWolf
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2
votes
5 answers
Want some ideas on how to develop a image retrieval system
I just want to study more on how Google can search images. I know it is too complicated for me,but I want to try to do it on my own set of images.
This is how I propose: For a large set of random images in a folder, I could use some keywords (maybe…
Kevin
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1
vote
0 answers
How to access apache solr server installed at google colab online?
I am using Google Colab for apache solr 8.5.0 server implementation of Content Based Image Retrieval (CBIR) system, The solr is showing its port (8983), along with this, i have tried couple of IP addresses to access the solr server but…
Jawad Ali
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1
vote
0 answers
I'm having trouble with content based recommendation system prediction (NOT TDIDF)
I keep getting the following error --> Exception: Dim. mismatch: Test data contains 3 items, while Content contains 1526 items. Please make sure the columns of test and content match.
Can someone help me? I've been working on this code for a few…
