diff options
Diffstat (limited to 'src/kernels/ffc.cl')
| -rw-r--r-- | src/kernels/ffc.cl | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/kernels/ffc.cl b/src/kernels/ffc.cl index c936d1e..783b045 100644 --- a/src/kernels/ffc.cl +++ b/src/kernels/ffc.cl @@ -25,18 +25,20 @@ flat_correct (global float *corrected, const int sinogram_input, const int absorptivity, const int fix_abnormal, - const float dark_scale) + const float dark_scale, + const float flat_scale) { const int gid = get_global_id(1) * get_global_size(0) + get_global_id(0); const int corr_idx = sinogram_input ? get_global_id(0) : gid; const float cdark = dark[corr_idx] * dark_scale; + const float cflat = flat[corr_idx] * flat_scale; float result; if (absorptivity) { - result = log ((flat[corr_idx] - cdark) / (data[gid] - cdark)); + result = log ((cflat - cdark) / (data[gid] - cdark)); } else { - result = (data[gid] - cdark) / (flat[corr_idx] - cdark); + result = (data[gid] - cdark) / (cflat - cdark); } if (fix_abnormal && (isnan (result) || isinf (result))) { |