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I have tried to read about opencv library library and it has something to do with our eye reading but i am not able to get what exactly are its true capabilities.
All the tutorials i got on net started implemented this library but couldn't find any explaining why it is used. So anyone please explain me
OpenCV is a computer vision library that has many real world uses.
such as: Human-Computer interaction, object identification, segmentation and recognition, face recognition, gesture recognition, motion tracking, motion understanding, stereo and multi-camera calibration, depth computation and mobile robotics.
(All of this is written in the opencv tag you used in your question by the way)
I think you probably could have gotten all this information from a quick google search however. Perhaps next time, just do that?
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I must implement an applcation that draws a heart on a person seen via an Android device camera(augmented reality stuff).
So, I must detect the shape/contour of the upper part of human body(head, neck, shoulders) in order to know where the heart must be situated. This stuff must be made in real time.
I've searched about this stuff but I haven't find something useful. Does anybody know some tutorials or examples of something related to this? Thanks.
I would recommend using OpenCV if the memory isn't a problem ( your app would be like 50 MB). There are plenty of tutorials to learn how to use OpenCV. Try Cascade Classifier
In case of face detection, as far as i know, android has a library for this. Camera.Face
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I would like to embed an Aztec Code reader into my app.
I need control over the GUI to
place some buttons around the camera view, while reading the code
to be able to switch the camera on / off (to save the battery)
What I found was
ZXing - which is not reliable yet.
Apps with an own SDK like neoreader, which do not give me the control over my GUI.
Is there a solution for that problem? Maybe som libs? Proprietary libs?
I found a proprietary lib from manateeworks.com
They do offer a lib, which can be used to decode Aztec Codes
In case anyone is looking for a more up-to-date answer to this question, as I was when I came across this thread a couple of hours ago:
As of Google Play Services 8.4.0 release, Aztec barcodes are supported in the vision.barcode package. So you can now detect them from the camera in the same way as you do for other supported types of barcode.
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One of my applications is getting more and more popular, and I'd like to support multiple languages, but there are a few problems:
I don't know every single language out there
I'm actively developing the application, so strings change and new ones are added - often
That's why I've been looking at the possibilities of an online community translation tool. I'd like for it to be free and open source, and it'd be great if it supports Android!
Sorry if this is off-topic, I was a bit unsure, but I think it's a problem that many Android developers have to deal with.
For WordPress for Android we use GlotPress, you can upload your strings.xml and it will create sub projects for whatever language you want. You can then invite users to translate the project to their native language.
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My first Android app is going to involve a front facing camera, and facial expression recognition. I did a lot of research, yet I couldn't find any Android libraries that involve any facial expression recognition. I basically want to measure reactions.
I'm thinking it MUST have been done somewhere in some app, can anyone point my research in the right direction? If not in Android, perhaps somebody may know of a library that I can port over?
I'd suggest getting the Android OpenCV port working as a good first step.
Due to real-time requirements for image processing, most of the face detection/recognition code you're going to see is likely to be in C++. Many systems may use OpenCV as a base and/or you can cobble together a reasonable solution from OpenCV's many low-level functions.
The CVCamera sample in there is also good for showing how JNI/NDK interop works on Android which can be helpful for interfacing with other code.
what about face.com? it's web(service) based, but supposed to be pretty good!
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I'm interested in developing an android app that makes use of an OpenCV android port at http://code.google.com/p/android-opencv/. Particularly, I want to use SURF features which comes embedded in the OpenCV framework but I'm not sure if then I will be able to sell this app.
Anyway, is there any non-free app making use of any of the OpenCV android ports?
SURF is a patented algorithm. You need permissions to use it in commercial applications. SURF comes with OpenCV because there its being used for "academic" or "research" purposes, without any commercialization involved.
Read the license files of the particular port you are using.
The two different ports I googled and looked at in the past two minutes seem quite clear.