Basic OCR in OpenCV
Update!. Demo is now with CMake, the cross-platform, open-source build system. Download Now! In this tutorial we go to create a basic number OCR. It consist to classify a handwrite number into his class. To do it, we go to [...]
Read MoreGNUPLOT – 3d plot surface
For 3d plot gnuplot use command splot. splot sin(sqrt((x*x+y*y)))/sqrt(x*x+y*y) t “weaves” We can add the style pm3d to add a gradient surface texture splot sin(sqrt((x*x+y*y)))/sqrt(x*x+y*y) with pm3d t “weaves” But you can see we need more resolution, then we must [...]
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Removing .svn folders from project
A loft of times some people send me project with subversion, and when you upload to production, sometime you don’t [...]
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Segmentation and feature extraction. Contours and blob detection.
In BasiOCR tutorial i explain how to preprocess, extract features and clasify a handwritten number, and a lot of people [...]
30 Comments
OpenCV and CMake
From OpenCV 2.1 version we can use CMake to create and manage our OpenCV projects. CMake is a cross-platform and [...]
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CvFileStorage. How to save our custom structures with OpenCV functions
In this tutorial we go to show how to save our custom structures with opencv functions. We go to imagine [...]
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Pseudocolor implementation with OpenCV.
In Computer Vision works in a lot of cases with gray images because there are a lot of motives. But [...]
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Neuroph, Java/Netbeans tutorial.
Neuroph is a Neural network for image recognition in java. In netbeans dzone are a netbeans/java tutorial for image recognition [...]
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Chamilo. The new e-learning platform
Today is born the new e-learning platform. Chamilo! Chamilo is a new project that opts for open source in a [...]
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Segmentation & object detection by color.
In this tutorial i go to explain how to image segmentation or detect objects byred color, in this case by [...]
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VIM how to remove ^M at the end of lines
In unix the end of line is different than other systems. More times we edit windows files and when open [...]
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Compile Opencv with Mac os Snow Leopard 10.6
Today i try install OpenCv in my MacOs Snow Leopard 10.6 and have this error: error: CPU you selected does [...]
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Exuberant CTags and OpenCV with Vim. Thanks Piponazo!!
Piponazo have a wonderful spanish tutorial explianing how use Exuberant CTags in vim with a opencv as example and some [...]
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The basics of background substraction
This tutorial explain the basics of background substraction. First of all we need define what is a background and what [...]
16 Comments
BlenderOcv, “blender” can be good and powerful tool for computer vision with OpenCV
This is the question: can be Blender a powerful tool for computer vision with OpenCv. Blender is now a powerful [...]
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Basic OCR in OpenCV
Update!. Demo is now with CMake, the cross-platform, open-source build system. Download Now! In this tutorial we go to create [...]
259 Comments
The basic patter recognition and classification with openCV
In this tutorial we go to introduce to the pattern recognitions basics in openCV. In pattern recognitions before we can [...]
73 Comments
HSQLDB and java entity class most common error
Last day, i’m developing an application with hsqldb and java swing with jpa entites classes, and whe i set a [...]
3 Comments
Basic Painter in OpenCV
In this basic tutorial we go to learn some basic instructions to work in OpenCV, mouse event, trackbar controler, create [...]
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OpenCV More with cameras.
In last tutorial we learn how to get frames of our camera, now we go to learn some basic OpenCV [...]
81 Comments