Questions tagged [image-recognition]

Classification of a detected object into different known categories.

The classical problem in computer vision, image processing, and machine vision is that of determining whether or not the image data contains some specific object, feature, or activity. There are different varieties of this , such as object detection, Identification (like face recognition ), Content-based image retrieval ( like similar images option in google image search) etc.

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Detect rectangular portraits of people on images with OpenCV

I have many images of yearbooks with people portraits and I'm trying to build an algorytm that will detect those portraits. At least, to detect correct rectangular portraits. Example 1 Example 2 I'm trying to investigate three directions: Face…
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How to locate multiple objects in the same image?

I am a newbie in TensorFlow. Currently, I am testing some classification's examples "Convolutional Neural Network" in the TensorFlow website, and it explains how to classify input images into pre-defined classes, but the problem is: I can't figure…
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XXX image recognition software/algorithm

Possible Duplicate: What is the best way to programatically detect porn images? Here http://www.face-rec.org/algorithms/ is a good site about the face recognition. I'm looking for a solution how to disallow uploading XXX rated images. (or…
clt60
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2D Shape recognition algorithm - looking for guidance

I need the ability to verify that a user has drawn a shape correctly, starting with simple shapes like circle, triangle and more advanced shapes like the letter A. I need to be able to calculate correctness in real time, for example if the user is…
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Recognize numbers in images

I've been searching for resources for number recognition in images on the web. I found many links providing lots of resources on that topic. But unfortunately it's more confusing than helping, I don't know where to start. I've got an image with 5…
svens
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java framework for image pattern recognition?

I'm looking for a Java framework to help with some data mining specific to images. We have a set of historical images that I would like to categorize and classify. I'm was hoping to find something like weka http://www.cs.waikato.ac.nz/ml/weka/ or…
D.C.
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free OCR processing API in PHP/jQuery/JavaScript

Is there any free PHP OCR API, that is well documented in PHP, jQuery or JavaScript? I'm programming a web app for iOS and I'd like to utilize the new photo upload API in iOS 6 safari to use for OCR image processing. Thanks a ton! :) (Edit: Oh and a…
user1935281
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Is Center-Surround mechanism implemented in opencv?

I am new to the concept of Biologically Salient Regions Detector, and I read some papers and they always use the mechanism of Center-Surrond to computer features intensity, color and orientation. I googled that mechanism but i did not find…
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Pre-processing before digit recognition with KNN classifier

Right now I'm trying to create digit recognition system using OpenCV. There are many articles and examples in WEB (and even on StackOverflow). I decided to use KNN classifier because this solution is the most popular in WEB. I found a database of…
ArtemStorozhuk
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What are the correct usage/parameter values for HoughCircles in OpenCV for Iris detection?

I've been reading about the subject but cannot get the idea in "plain English" about the usage and parameters for HoughCircles (specially the ones after CV_HOUGH_GRADIENT). What's an accumulator threshold? Are 100 "votes" a right value? I could find…
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Image recognition using TensorFlow

I'm new to TensorFlow and I am looking for help on image recognition. Is there an example that showcases how to use TensorFlow to train your own digital images for image recognition like the image-net model used in the TensorFlow image recognition…
Philip Adzanoukpe
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Dice face value recognition

I’m trying to build a simple application that will recognize the values of two 6-sided dice. I’m looking for some general pointers, or maybe even an open source project. The two dice will be black and white, with white and black pips respectively.…
Jakob Gade
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Python OCR library or handwritten character recognition engine

Could you recommend some python libraries or source code for OCR and handwritten character recognition?
jack
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How to improve digit recognition of a model trained on MNIST?

I am working on handprinted multi-digit recognition with Java, using OpenCV library for preprocessing and segmentation, and a Keras model trained on MNIST (with an accuracy of 0.98) for recognition. The recognition seems to work quite well, apart…
youngpanda
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Feature detection with patent-free descriptors

I need the feature detection algorithm. I'm fed up surfing on the web finding nothing but SURF example and hints how to do that, but I did not find an example with other than patented descriptors like SIFT or SURF. Can anybody write an example of…
denis631
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