Table 2.

Testing the segmentation method for real photoacoustic. Derivative values used for determination of the filtering thresholds and the realised thresholds.

Range	Derivative	Fil(phantom)	Fil(in vivo)
1	[−1.35 −0.03]	[.068 .082 .113 .270]	[.074 .092 .131 .316]
2	[−1.05 −0.03]	[.073 .088 .122 .270]	[.082 .102 .144 .316]
3	[−0.75 −0.03]	[.081 .099 .135 .270]	[.093 .115 .161 .316]
4	[−0.45 −0.03]	[.093 .113 .153 .270]	[.112 .138 .184 .316]
5	[−0.15 −0.03]	[.134 .160 .199 .270]	[.172 .200 .241 .316]