final ParameterBlockJAI pbj = new ParameterBlockJAI("format");
pbj.addSource(image);
pbj.setParameter("dataType", image.getSampleModel().getTransferType());
final ImageLayout layout = new ImageLayout(image);
layout.unsetTileLayout();
layout.setTileGridXOffset(0);
layout.setTileGridYOffset(0);
layout.setTileHeight(image.getHeight());
layout.setTileWidth(image.getWidth());
layout.setValid(ImageLayout.TILE_GRID_X_OFFSET_MASK