The object-recognition tag has no wiki summary.
9
votes
2answers
100 views
Detecting a filled glass object
I've been sent here from this question in stackoverflow, please excuse me if the question comes too specific and it's not in the manners in here:)
The task is to find a glass with specific liquid in ...
0
votes
0answers
15 views
Multitarget tracking, association issue
I have sensors, and each of them after applying filtering created me a list of objects. I want to do the fusion, and firstly have to perform a proper association to know which objects from various ...
3
votes
3answers
75 views
Low recognition rates using GMM for image classification
I want to use GMM for image classification.
So, I have extracted SIFT features from each image in the corpus.
Then, I apply EM algorithm to learn GMM parameters (I have coded it in matlab).
I get ...
3
votes
1answer
42 views
object level sensor fusion for multiobject tracking
I want to fuse objects coming from several sensors, with different (sometimes overlapping!) fields of view. Having object lists, how can I determine whether some objects observed by different sensors ...
0
votes
1answer
52 views
Basic Algorithm for Image Classification
I have been trying to implement image classification by extracting facial features. I tried starting with some already established methods like Multi Kernel Approach, using Independent Component ...
0
votes
0answers
19 views
Searching for image samples in order to create custom classifier
I am training a classifier of my own, specifically for detecting body arms. According to the training process I have to provide positive samples and negative samples, wich will be used in the ...
2
votes
2answers
42 views
Training custom classifiers using trainCascadeObjectDetector
Is there any good documentation about training your own classifiers(with examples included) different from this one provided by MathWorks.
Thanks in Advance
5
votes
1answer
60 views
Vehicle segmentation and tracking
I've been working on a project for some time, to detect and track vehicles in video captured from UAV's, currently I am using an SVM trained on bag-of-feature representations of local features ...
1
vote
1answer
74 views
Alternative to support vector machine?
I have to make comparison between 155 image feature vectors. Every feature vector has got 5 features.
My image are divided in 10 classes.
Unfortunately for using support vector machine i need at ...
1
vote
1answer
59 views
Object Classification using pyramid match kernel
I have been reading up on the pyramid match kernel as an alternative to using the bag-of-words model for object classification using a SVM. The bag-of-words model provides a model for transforming a ...
0
votes
0answers
33 views
Evaluation of Keypoint Detector and Feature Descriptor Combos for Vehicle Detection
I am currently doing a research project into the effectiveness of different keypoint detector and feature descriptor combinations for the task of vehicle detection.
At the moment I am using a SVM for ...
4
votes
0answers
47 views
What is a good distance measure for matching SIFT descriptors depending on the distribution of their noise?
I have read some papers about distance measures like Euclidean, Manhattan or Chi-Square for matching gradient based image descriptors like those computed from the SIFT Algorithm (128-D vectors). Most ...
3
votes
1answer
132 views
Image Matching on iOS
Was recommended to migrate this question from SO.
I am building an iOS app that, as a key feature, incorporates image matching. The problem is the images I need to recognize are small orienteering ...
8
votes
3answers
177 views
Gesture recognition using only simple techniques
I'm following a computer vision course and I have this exercise: write a program that, given an hand image, it can recognize if the hand is open, closed, in a punch, or holding an "ok" posture, using ...
0
votes
0answers
122 views
Random Forests for Image Classification
Is there any way of using openCV Random Trees (Forests) http://docs.opencv.org/modules/ml/doc/random_trees.html for the task of image classification as described here: ...
4
votes
0answers
82 views
How to construct descriptors for irregularly shaped image patches
As hinted in this answer, Perceptual hashing is a way to ascribe comparable measures (hashes) to images (rectangular patches). The images do not need to be the same size, and can be slightly ...
3
votes
2answers
98 views
Is there any fast algorithm to compute the most similar rectangular regions in two images?
I am working on a pattern recognition problem to find two most similar rectangular regions in two given images. Specifically, I have two 2D (gray) images of the same sizes $I_A$ and $I_B$. Denote an ...
2
votes
1answer
44 views
Methods for searching a large face database
I have a large face database, and I want to search through it. For example, if I input a new face image, the system would return the best N similarities.
I know that PCA, LDA, and Procrustes analysis ...
7
votes
3answers
468 views
Scale and Rotation invariant feature descriptors
Can you list some scale and rotational invariant feature descriptors for use in feature detection.
The application is for the detection of cars and humans in video captured by a UAV, using a ...
-1
votes
2answers
204 views
Classification of Objects from a video/Image ( human,animals,others(cars etc.,) )
Moved from here SO Link.
Hi I am new to image processing field. My project is to classify the objects in an image/Video. The input is an image/video from surveillance camera. I should classify the ...
6
votes
2answers
307 views
Pedestrian counting algorithm
Currently I am developing a pedestrian counter project (using OpenCV+QT on Linux). My idea about the approach is:
Capture Frames
Do Background Subtraction
clear noises (erode, dilate)
find blobs ...
4
votes
1answer
195 views
How are Object Recognition and Content-based Image Retrieval interlinked?
I need help on understanding the linkage between Object Recognition and Content-based Image Retrieval. Does OR use CBIR to find similar objects with the help of algorithms like SIFT etc or does CBIR ...
4
votes
1answer
788 views
OpenCV detectin skin colour invariant with illumination changes
I have to capture skin colour independent of illumination.
I used the following criteria(using hsv and rgb) but it ain't working:
...
1
vote
2answers
1k views
Object Recognition using bag of features using matlab [closed]
I want to write a MATLAB program for simple object recognition using bag of features. In short, I want to first extract the features from an image, create a visual library using those features, then ...
8
votes
1answer
504 views
Good features / algorithms for recognizing car-models in images
I have a question concerning object recognition, especially recognizing car-models! I am at the beginning of a work about identifying the same car-model in different images. At the moment I think one ...
