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Questions tagged [openimaj]

Open Intelligent Multimedia Analysis toolkit for Java (OpenIMAJ)

https://sourceforge.net/p/openimaj/home/OpenIMAJ/

image analysis tools written purely in java 1.6. It includes tools for: basic image manipulation, feature extraction, cluster generation as well as tools to support parallelisation of these tasks using the Hadoop Map/Reduce framework

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Openimaj supports gpgpu?

I can see OpenImaj use OpenCL in its code. But I can't find any information in the documentation and in google about OpenImaj support GPGPU. I'm confused. Did OpenImaj use GPU acceleration? If yes, why doesn't indicate in its documentation?
zestl
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Facecrop with openimaj

Crop an MBFImage I detect a face using the superb openimaj library 1.3.8 but i struggle crop the face from the original image and save the cropped face to some file. The cropped faces must be in 800x600 px so i need some scaling as well. It must be…
user528322
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Getting blobs of an image without holes

I have an image that has various blobs and I want to get only blobs that do not have holes. I tried using SuzukiContourProcessor.findContours to accomplish that, but it returns Contours of types ContourType.HOLE and ContourType.OUTER. Is there a…
levant pied
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OpenImaj OutOfMemoryError during Resize Process

I have two photos, one zoomed in and the second a large, wide angle photo. Consider the first image a crop of the second(though it is not). I select a single pixel from each photo that represents the same thing in both pictures (say a man's nose).…
Daddyboy
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High cpu usage and memory leak

I beg pardon for the english skills in advance. For some reasons, i've realized everything in this way (essentially due to a java practical experience lack and ignorance of multithreading). This code works more or less what i've expected it should…
Lolizer
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OpenImaj - identify a shape

My purpose is to identify a shape after having trained a classifer, similar to what's done in chapter 12 of The OpenIMAJ Tutorial http://openimaj.org/tutorial/classification101.html . Chapter 12 uses Caltech101 class which is not helpful to me…
Jacobs2000
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How to use custom fonts with OpenIMAJ

I am working on a project where I want to use custom fonts to draw text on image. I don't want to use the inbuilt OpenIMAJ fonts. Is there a way to do that?
Arif Rabbani
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Different ways of detecting smile

I would like to know more about different ways of detecting smile on image. As far as I know, there are many libraries that are allowing to detect face and smile. The ones that I've tried are: FaceSDK from Luxand OpenCV OpenIMAJ Instead of just…
deem
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How to set the initial centroids of KMColourSegmenter in OpenIMAJ library?

I want to measure the time that KMColourSegmenter, in OpenIMAJ library, takes to perform the clustering. If I didn't make the initial centroids fixed, rather than random, I can't make the measure the performance; because it will change every time,…
Mosab Shaheen
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OpenIMAJ library cannot read tiff files?

I am using OpenIMAJ library, it is working well on "JPEG" and "PNG" files but on tiff files it is giving me an error. Here is the code: import org.openimaj.image.ImageUtilities; import org.openimaj.image.MBFImage; .... File file = new…
Mosab Shaheen
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Java OpenIMAJ .ogg decoder - first buffer decoded all zeros

Goodmornig everyone. I'm coding a simple wrapper class around the OpenIMAJ library that is able to load a .ogg file audio and give back the data sampled. Here is the code I've implemented to get a double array as output: public List…
fl4w
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OpenImaj - recognize given face which is not taken from the face database

The OpenImaj Tutorial for face analysis shows how to do face recognition using some test images from the face database - http://openimaj.org/tutorial/eigenfaces.html How a new given image which is not from the face db can be recognized? Can you give…
mdp
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How to check if my video is decodable using OpenImaj?

I'm using the OpenImaj library in Java for my project and i would like to know if there is a way to check if a video is decodable when opened with XuggleVideo ? Because i need to create my own exception class in my project and to do that i need to…
Ali CHERIFI
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Openimaj and LiblinearAnnotator "train()" method arguments

I am following this tutorial here and have a question regarding this: LiblinearAnnotator, String> ann = new LiblinearAnnotator, String>( extractor, Mode.MULTICLASS, SolverType.L2R_L2LOSS_SVC, 1.0,…
user5157717
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installing openimaj's statistic package

I followed the instructions on this page - http://www.openimaj.org/tutorial/getting-started-with-openimaj-using-maven.html and created a project. However, it's missing org.openimaj.math.statistics package. I just wanted to use MeanAndCovariance…
user3273345
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