Vehicle Type Recognition in Sensor Networks Using Improved Time Encoded Signal Processing Algorithm

Table 4

Comparison of the recognition results using three feature extraction methods based on SVM classifier.

SVM classifier	Feature extraction methods
	TESP algorithm	ITESP algorithm
	29-character based 𝑆-matrix	40-character based 𝑆-matrix	40-character based 𝐴-matrix
Wheeled vehicles	52%	82%	90%
Tracked vehicles	50%	86%	84%
Average recognition rate	51%	84%	87%
Average computational time	0.82 s	0.79 s	2.37 s