feature-detection Questions
3
Solved
I m working on small image processing assignment where I need to track 4 red color object. I got how to track single one. I want to know what is the best approach to track more than one point.
The...
Cheeky asked 10/9, 2014 at 17:11
1
Solved
I want to detect, in source file, if the compiler used supports static_assert.
Breannabreanne asked 28/8, 2014 at 15:42
3
I have to do a project that tries to scan the shape of the vehicles and detect what type of vehicle it is , the scanning will performed with a sensors called “vehicle scanner” they are just 50 beam...
Apostate asked 20/8, 2014 at 20:2
0
My main goal is to detect the little line over the left of the image:
By detecting line I mean I want a line equation of this form: y = ax + b.
In order to find the line, I tried using this Hou...
Donnelly asked 18/8, 2014 at 9:52
2
Solved
I am using the foreignObject element in SVG, however IE9 does not support this element. I am looking at a way the detect this feature. Modernizr does not detect this feature and it seems I can not ...
Mcintosh asked 20/6, 2012 at 22:10
6
Solved
I want to track a laser light dot(which is on a wall) with a webcam and i am using openCV to do this task. can anybody suggest me a way to do it with C++.
Thank you !
Nomen asked 24/10, 2010 at 19:35
1
Solved
I'm attempting to work with a depth sensor to add positional tracking to the Oculus Rift dev kit. However, I'm having trouble with the sequence of operations producing a usable result.
I'm startin...
Durrett asked 17/3, 2014 at 0:5
2
Solved
The question is about feature detection concept.
I'm stuck after I finding the corner of image and I want to know how to finding the feature point within the computed corners.
Suppose I have grays...
Stroman asked 6/3, 2014 at 7:36
2
Solved
I've used the code below if I need to detect Firefox:
var firefox = !(window.mozInnerScreenX == null);
I'm curious if there is something similar to detect webkit browsers without checking the us...
Elmerelmina asked 16/4, 2012 at 15:3
1
Solved
I am trying to detect all the circles in images like this.
I have many different images like this but in all the circles will be black (or almost black) and of the same size (+/- a couple of pixel...
Solidus asked 6/2, 2014 at 19:33
1
Solved
I wonder how do we evaluate feature detection/extraction methods (SIFT,SURF,MSER...) for object detection and tracking like pedestrians, lane vehicles etc.. Are there standard metrics for compariso...
Cliffhanger asked 15/1, 2014 at 15:25
2
Solved
I am using openCV library on the android platform.
I have successfully detected the largest rectangle from the image but since my application will be used for the scanning purpose ,i want to have t...
Julianajuliane asked 13/1, 2014 at 4:50
2
I am in the process of creating a small program which detects objects(small image) in the large image and I am using OpenCV java.
As I have to consider rotation and scaling I have used FeatureDete...
Shot asked 27/7, 2013 at 13:43
3
Solved
I have an image processing problem. I have pictures of yarn:
The individual strands are partly (but not completely) aligned. I would like to find the predominant direction in which they are alig...
Juback asked 14/12, 2013 at 8:34
2
Solved
I'm working on a OpenCV project using surf to detect feature from images.
The detector is initialized in this way
int minHessian = 100;
SurfFeatureDetector detector( minHessian );
Can someone e...
Condemn asked 11/9, 2013 at 14:32
2
I am looking for some kind of auto trim/crop functionality in android.
Which detects a object in captured image and creates a square box around object for
cropping. I have found face detection ap...
Tombaugh asked 31/5, 2013 at 6:27
1
Solved
I am working on a project that I need to detect features on images using opencv.
I am using
SURF detector;
SURF extractor;
BFMatcher matcher;
for detection, extraction and matching points. It ...
Monostrophe asked 14/10, 2013 at 13:32
4
Solved
I have a texture-heavy OpenGL game that I'd like to tune based on how much RAM the device has. The highest resolution textures I have work fine on an iPhone 4 or iPad2, but earlier devices crash in...
Blighter asked 7/11, 2011 at 4:9
3
Solved
I am trying to find a script that detects if a device places position: fixed elements relative to the ViewPort and not to the entire document.
Currently, standard desktop browsers and Mobile Safar...
Springhalt asked 2/4, 2012 at 15:54
3
I am currently working on a project where I have to extract the facial expression of a user (only one user at a time from a webcam) like sad or happy.
There are a lot of programs/APIs to do ...
Monday asked 7/7, 2013 at 15:20
3
Solved
I want to match feature points in stereo images. I've already found and extracted the feature points with different algorithms and now I need a good matching. In this case I'm using the FAST algori...
Theseus asked 31/7, 2013 at 10:30
1
Solved
I need to find and match feature points in stereo images. Therefore I want to compare the different Feature Detection algorithms that are supported in OpenCV 2.4.5. by passing "SURF", "SIFT", etc. ...
Cappello asked 22/7, 2013 at 10:18
3
I'm trying to use BRISK implementation of OpenCV (for C++) in order to check in a photo if an image (or a part of an image) is included in. For example, I take a photo, and I try to match it with a...
Pentlandite asked 19/3, 2013 at 0:48
3
Solved
I am running OpenCV 2.4.3 on Mac OS X 10.8.
I am trying to use the cv::HOGDescriptor to get pedestrians in a video sequence.
This is the code I am using to do the detection and paint a bounding bo...
Purify asked 13/1, 2013 at 17:13
2
I am trying to build a simple system to recognize simple shapes using Fourier descriptors:
I am using this implementation of Fast fourier transform on my program: (link below)
http://www.wikijava...
Handcraft asked 25/4, 2012 at 15:55
© 2022 - 2024 — McMap. All rights reserved.