reason for this error??

 Plzz tell me what's wrong with this code?? I want to perform text filtering on my image and want to remove all the non-letter elements.. What else can i do to achieve this??

cc= bwconncomp(Bgmclose);
>> L=labelmatrix(cc);
>> props=regionprops(cc,'BoundingBox');
>> idx=([props.BoundingBox(3)]<0.5);
??? Field reference for multiple structure elements that is followed
by more reference blocks is an error.

Answer 1

[Walter Roberson]

bb = vertcat(probs.BoundingBox);
idx = bb(:,3) <0.5;

[supriya]

hey!thanxx.Can u tell me how can i find center width and center height of a bounding box??

[Walter Roberson]

bb(:,[3 4]) ./ 2

If you are looking for the centroid, then get the 'Centroid' property. If you are looking for the center of the bounding box, then

bb(:,[1 2]) + bb(:,[3 4]) ./ 2

[supriya]

actually i want to find those connected components for which

.1<center width of the bounding box<.9

.3<center height of the bounding box<.7

[Walter Roberson]

What is the "center width" or "center height" of a bounding box?

find( 0.1 < bb(:,3) & bb(:,3) < 0.9 & 0.3 < bb(:,4) & bb(:,4) < 0.7)

[supriya]

I got it..thanxxx it was really very helpful!