Little problem with region props

here I want to separate red blue and green content from the image and I should find centroid for the red blue and green content. For this I

1) First read the image;

2)seperated its Red,Blue and Green components into other variables;

3) converted that into a bit image after finding its treshold values;

4) next I planned of using regionprops function on my bit image;

          now when I used that regionprops('mybitimage','Centroid') I got this error " Field reference for multiple structure elements that is followed by more reference blocks is an error."

          I couldn't figure out why I am getting that error and when will I get that error because for some images my code is working good and for some images I am getting that error.

 Thanks in advance.

Answer 1

[Image Analyst]

You need to pass regionprops a binary or labeled image, not a string. Try taking the single quotes off the first argument.

[abhinav]

 I didnot pass a string i passed the name of the bit wise image's identifier ( variable ) without inscribing it in single quotes sometimes my program works fine and some times it shows that error and program terminates.