use OSEM image

SyneRBI · Jul 4, 2024 · ba74194 · ba74194
1 parent e3f5300
commit ba74194
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/main_ISTA.py b/main_ISTA.py
@@ -49,7 +49,10 @@ def __init__(self, data: Dataset, num_subsets: int = 7, step_size: float = 1e-6,
         step_size_rule = ConstantStepSize(step_size)    # ISTA default step_size is 0.99*2.0/F.L
         g = IndicatorBox(lower=1e-6, accelerated=False) # "non-negativity" constraint
 
-        super().__init__(initial=data.OSEM_image, f=F, g=g, step_size=step_size_rule,
+        g = IndicatorBox(lower=1e-5, accelerated=False)
+
+        super().__init__(initial=data.OSEM_image,
+                         f=F, g=g, step_size=step_size_rule,
                          update_objective_interval=update_objective_interval)