how to extract the pixel value of tumor in uint16 .mat from logical .mat?

Hi all,

I have data uint16 .mat. then I label it into tumor and background, and save it into logical .mat. Means the background is 0, tumor is 1.

how to extract the pixel value of tumor in uint16 .mat?

the file unit16 and logical as attached.

Answer 1

[Walter Roberson]

uint8() the logical mask and multiply by the uint8 data. The locations where the mask is false will come out 0.

[mohd akmal masud]

sorry sir, I dont understand. can you write the command?

[mohd akmal masud]

this one is for total no. of voxel.

Voxels = sum(logical(:)==1)

then how to extract the PixelIdxList?