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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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eclipse-maven- OpenIMAJ

I want to index videos. So, first I have captured audio from a video using xuggle and openIMAJ libraries. Now, I have the audio in xuggle audio format. How do I convert the audio to text? I also need the text along with its corresponding…
Rohit ZP
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OpenImaj Tutorial and EigenFaces

I do not know if this is a relevant forum, but I have been following this tutorial here: http://www.openimaj.org/tutorial/eigenfaces.html For some reason it is not clear enough for me. There are some things I do not understand. It says at one…
Trt Trt
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Using DoGSIFTFeatureComparator throw NullPointerException

I was attempting to use the DoGSIFTFeatureComparator with the FaceSimilarityEngine. Here's my code: import java.io.File; import java.io.IOException; import java.util.Map; import java.util.Map.Entry; import…
smitchell116
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OpenImaj - ArithmeticException: / by zero in ResizeProcessor.resizeMaxArea(FImage, int)

I've submitted this as a potential bug on OpenImaj's github issues board, but wanted to reach out on SO and see if this has been encountered before (it's not an obscure class / method and I would be surprised if I am the first to come across this…
Brooks
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OpenImaj AdaptiveLocalThresholdContrast null pointer exception

I'm trying to learn how to use OpenImaj's AdaptiveLocalThresholdContrast thresholder to process an image into two "segments" and then view the processed image. When I run the following code: AdaptiveLocalThresholdContrast thresholder = new…
jgloves
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OpenIMAJ and Image Read Exception

I'm following the OpenIMAJ tutorial, and when I run the following code: import java.io.IOException; import java.net.URL; import org.openimaj.image.ImageUtilities; import org.openimaj.image.MBFImage; import…
jgloves
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Face alignment using openImaj API libraries

I want to align several faces I have at my disposal here using openImaj. I want to read a jpg face photo, align it and finally save it as in jpg after alignment. Here is where I am stuck. See below public class FaceImageAlignment { /** …
Joseph
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How to save the trained data in openimaj?

I'm working on a project which is about taking attendance of a class through the class video. I'm training the data when the program is running and it is taking a lot of time to train the data. Is there any way by which I can save the trained data…
Kamal Kumar Raj
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Is there a concrete implementation of OCRProcessor in openimaj

I am trying to do text extraction using openimaj and I am using LiuSamarabanduTextExtractorBasic text extractor subclass. But this class needs an OCRProcessor implementation to do that actual OCR. Following is the javadoc public void…
Keshava
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Extract frames from a video using OpenImaj in Java

for (MBFImage mbfImage : video) { DisplayUtilities.displayName(mbfImage.process(new CannyEdgeDetector()), "videoFrames"); I need to extract frames from a video and I'm using Java platform. I'm expecting to use the OpenIMAJ Library to do that. I…
akiaWT
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OpenIMAJ not able to access video file

I am using OpenIMAJ to draw facial keypoints on a video but it is stuck at the first step itself. Here is the code I am trying to run:: Video video; video = new XuggleVideo("file://E:/AV/out2.flv");//XuggleVideo("file:"+fileName); …
Sudh
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java.lang.IllegalArgumentException

I want to extract BOVW from an image using OpenImaj Library. I have met the error when I am implementing extractFeatureFromQuantised method of BagOfVisualWords class Exception in thread "main" java.lang.IllegalArgumentException: length must be…
nawara
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use of BagOfVisualWord class in OpenImaj library

So in my case i should provide to computeQuantisedFeatures method two arguments , the second one is of type List>> i try to pass my imagekeypoints list which is of type …
nawara
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Openimaj - Feature matching - Best way to insure good performence

I am using OpenImaj to extract features from images and then comparing them using DoGSIFTEngine. As far as I understand, here is the process: I extract keypoints feature from image and saving them. (file or database text) Extracted keypoints are in…
Med A
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How to read trained file to FaceRecognitionEngine object in OpenImaj

I am using OpenImaj for face recognition. Due to the long time it takes train the data at runtime, I am saving the already trained data to system to use it later. I am using the below code to save the trained data IOUtils.writeToFile(faceEngine, new…
Emperor
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