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Point feature extraction from online webcam images

CMake 17.59% C++ 82.41%

webcam_point_features's Introduction

webcam_point_features

Detection of ORB features from online webcam imges.

Exercise 1.3. Point features

  1. Fork it

  2. Build the point_features example. (mkdir build & cd build & cmake .. & make)

  3. Play with it

  4. Find out information about ORB features and describe them in your words. Document your Readme.md and cite the used references

Les sigles ORB fan referència a Oriented Fast i Rotative BRIEF.

ORB és un algoritme que s’utilitza majoritariament per trobar punts de interès en les imatges a temps real i així poder reconeixer objectes. És una combinació de FAST, algoritme que calcula els punts claus d’una imatge, i BRIEF que és un descriptor d’aquests pixels.

L’ORB és una bona alternativa a SIFT i SURF, ja que iguala o en supera el rendiment i a més a més és còdi obert, que no s’ha de pagar per utilitzar-lo.

  1. Try to detect features more sparse over all the image, by using the mask:

webcam_point_features's People

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