Track mate blob size doesn't change according to the size of particle

I tracked my particles using Track mate plugin as shown an attached video. But the problem is that the blob size doesn’t change according to the size of the particle. Then, it gives me the wrong information about intensity in particles.
Changing blob size is important for intensity measurement of the particle.

In which part I’m missing?Sample.zip (12.1 MB)

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Hi @Jae

Unfortunately TrackMate does not do automatic particle size determination.