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multicamera calibration giving constant number(4) of matches for all images #1396

@shomedas

Description

@shomedas
System information (version)
  • OpenCV => ❔
  • Operating System / Platform => ❔
  • Compiler => ❔
Detailed description

< I am trying to run opencv 3.3 multicamera calibration on a set of RGB images captured by a RGBD sensor. When I run on matlab I get many features as below:
Camera #2: Adding photo #98...
....Matches: 1473
....Matches after Homog. Check: 62
....Matches after smoothness Check: 58
....58 features kept

When I use the opencv multicamera calibration code i get a constant of 4 features filtered for every image:

open image 0-89.jpg successfully
number of matched points 163
number of filtered points 4
...

Steps to reproduce

<
opencv-3.3.0/build/bin/example_ccalib_multi_cameras_calibration -nc 2 -pw 21211 -ph 15000 -ct 0 -fe 0 -nm 15 -v 1 imagelists.yaml
-->

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