message: BUG: Fixed index of projections in JosephBackProjector
diff: @@ -166,7 +166,7 @@ JosephBackProjectionImageFilter<TInputImage,
  // Must process projections one by one, otherwise two threads
  // back projecting different slabs of two opposite projections
  // may collide because of the cone angle
  - for (unsigned int proj=0; proj<inputRegionForThread.GetSize()[2]; proj++)
  + for (unsigned int proj=inputRegionForThread.GetIndex()[2]; proj<inputRegionForThread.GetIndex()[2]+inputRegionForThread.GetSize()[2]; proj++)
  {
  // Process even slabs first, then odd slabs,
  // to avoid collisions between threads
  