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ComputerVision >> ComputerVision > cv_match2image

cv_match2image

"compare two Images using ORB"

Calling Sequence

image_ret=cv_match2image(image1,image2,nfeatures,scaleFactor,color)

Arguments

image1

Input Image 1

image2

Input Image 2

nfeatures

Number of features to compare

scaleFactor

Pyramid decimation ratio, greater than 1. scaleFactor==2 means the classical pyramid, where each Next level has 4x less pixels than the previous, but such a big scale factor will degrade feature matching scores dramatically. On the other hand, too close to 1 scale factor will mean that to cover certain scale Range you will need more pyramid levels And so the speed will suffer

color

color of keypoints drawn on 2 Input image

image_ret

Result of comparison

Description

Easy Caompare of two images

This function uses ORB to extract features from two images and then uses BFmatcher to compare these features

Examples

[image_ret]=cv_match2image(input_image,input_image,300,2,[0,255,0]);

See Also


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