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Log-likelihood of probability summation models and additive summation models fit to density segmentation experiment for compound density boundaries comprised of ON/OFF center DOG functions.
| Observer | PS | AS |
|---|---|---|
| CJD | −585.458 | −592.781 |
| CJM | −761.489 | −771.063 |
| RAR | −710.442 | −716.705 |
