Tagged Questions

1
vote
0answers
30 views

Image Comparision using openCV and JavaCV stucked at last step - what next step

Following is a small code I wrote using the existing examples, it’s to compare 2 images. Requirement is to check whether the small image is a part of the large image. String smallUrl = ...
0
votes
0answers
41 views

convert a Mat to byte array in JNI c++

How can I convert a cv::Mat data to jbyteArray in C++ and return it as an object in Java? std::vector <BYTE> v_char ( src.rows * src.cols ); memcpy(v_char.data(), src.data, v_char.size() * ...
0
votes
0answers
13 views

How to Draw multiple rectangles on a frame on Touch in OpenCV for Android?

First Of all I'm doing this on Eclipse. 1.I wish to draw a rectangle on reception of Touch event. 2.That rectangle should be persistent and on an another Touchevent should draw another rectangle. ...
0
votes
0answers
25 views

JavaCV working/writing to BufferdImage after face detection

I am successfully detecting faces using JavaCV, it's not totally accurate but good enough for the moment. However, for testing purposes and with a look at the future (this is only part of a bigger ...
0
votes
0answers
38 views

how to add Delaunay triangulation to my Opencv

i'm trying to work on face feature detection program and i want to add Delaunay triangulation to the face detected in the webcam juste like this video: http://www.youtube.com/watch?v=I3YsqHCQB4k ...
0
votes
0answers
28 views

active appearance model (AAM) template

I was looking for AAM implementation for face detection i found templates file in face detection algorithm in this aam implementation :http://cherry.dcs.aber.ac.uk:8080/wiki/plugin my questions are : ...
0
votes
0answers
24 views

Base-64 to Mat conversion opencv

How can I convert base-64 string to Mat format in opencv. I need to send a image from jave to C++ ( opencv Code ). How to do this in C++ uisng opencv? or in C++?
0
votes
0answers
35 views

how to use AAM (Active Appearance Models) in JAVA? [closed]

I have detected face feature using opencv haarcascade xml file and i want to have mouth and eyes corner points and nose central point and i read that points detection can be done using AAM. Knowing ...
1
vote
1answer
94 views

Facial feature detection with OpenCV with eyes and mouth corners points

I'm working on a face feature detection project and I do detect the eyes, nose and mouth using OpenCv withHaarcascade xml files. But, I want to have the eyes and mouth corners points and the nose ...
0
votes
1answer
28 views

Using OpenCV for IP camera

I'm just a student who is given the project to do people counting using IP camera without buying anything. I have done research for the past 3 days and seems that OpenCV is the only free program but ...
-1
votes
1answer
83 views

opencv face-detection in java : conception steps

I'm working on face-detection project via webcam using opencv In this approach (viola-jones) to detecting object in images combines four key concepts : 1-Simple rectangular features called haar ...
0
votes
0answers
36 views

what are the image discripters used in viola-jones (opencv)

I'm working on a face detection project using opencv in java , so i don't know all of the discripters used in viola-jones method any help will be appreciated !!
0
votes
0answers
45 views

Switching to different camera if one fails to enable

I am doing an Android application with OpenCV and this is my problem: I have two JavaCameraView elements in my main layout, one with frontal camera and the other with back camera. My idea is that in ...
1
vote
1answer
88 views

Running opencv using java error

I have started to learn OpenCV using JAVA language. I tried to run very simple code borrowed from http://docs.opencv.org/2.4.4-beta/doc/tutorials/introduction/desktop_java/java_dev_intro.html and ...
1
vote
1answer
46 views

Method performance comparison

Which method is faster for retrieving a submat, adjustROI() or submat() ? I want to know it because im working with java and i got a loop over many images of size 1600*1200. Thanks in advance. P.S.: ...

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