def integrate_roi(source, x,y, w, h):
    if source.data is None:
        source.update()
    rect = Rectangle(x,y, w, h)
    roi = source.data.getRoi(rect)

    outliers_mask = get_outliers_mask()
    if outliers_mask is not None:
        mask = outliers_mask.getRoi(rect)
        roi.mult(mask)
            
    outliers_threshold = get_outliers_threshold()
    if outliers_threshold>0:
        roi.threshold(outliers_threshold, False, 0.0)