diff options
Diffstat (limited to 'src/Matlab')
-rw-r--r-- | src/Matlab/mex_compile/regularisers_GPU/TGV_GPU.cpp | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/Matlab/mex_compile/regularisers_GPU/TGV_GPU.cpp b/src/Matlab/mex_compile/regularisers_GPU/TGV_GPU.cpp index edb551d..1173282 100644 --- a/src/Matlab/mex_compile/regularisers_GPU/TGV_GPU.cpp +++ b/src/Matlab/mex_compile/regularisers_GPU/TGV_GPU.cpp @@ -21,18 +21,18 @@ limitations under the License. #include "TGV_GPU_core.h" /* CUDA implementation of Primal-Dual denoising method for - * Total Generilized Variation (TGV)-L2 model [1] (2D case only) + * Total Generilized Variation (TGV)-L2 model [1] (2D/3D) * * Input Parameters: - * 1. Noisy image (2D) (required) - * 2. lambda - regularisation parameter (required) - * 3. parameter to control the first-order term (alpha1) (default - 1) - * 4. parameter to control the second-order term (alpha0) (default - 0.5) - * 5. Number of Chambolle-Pock (Primal-Dual) iterations (default is 300) + * 1. Noisy image/volume (2D/3D) + * 2. lambda - regularisation parameter + * 3. parameter to control the first-order term (alpha1) + * 4. parameter to control the second-order term (alpha0) + * 5. Number of Chambolle-Pock (Primal-Dual) iterations * 6. Lipshitz constant (default is 12) * * Output: - * Filtered/regulariaed image + * Filtered/regularised image * * References: * [1] K. Bredies "Total Generalized Variation" @@ -44,7 +44,7 @@ void mexFunction( { int number_of_dims, iter; - mwSize dimX, dimY; + mwSize dimX, dimY, dimZ; const mwSize *dim_array; float *Input, *Output=NULL, lambda, alpha0, alpha1, L2; @@ -57,8 +57,8 @@ void mexFunction( Input = (float *) mxGetData(prhs[0]); /*noisy image (2D) */ lambda = (float) mxGetScalar(prhs[1]); /* regularisation parameter */ alpha1 = 1.0f; /* parameter to control the first-order term */ - alpha0 = 0.5f; /* parameter to control the second-order term */ - iter = 300; /* Iterations number */ + alpha0 = 2.0f; /* parameter to control the second-order term */ + iter = 500; /* Iterations number */ L2 = 12.0f; /* Lipshitz constant */ if (mxGetClassID(prhs[0]) != mxSINGLE_CLASS) {mexErrMsgTxt("The input image must be in a single precision"); } @@ -68,12 +68,14 @@ void mexFunction( if (nrhs == 6) L2 = (float) mxGetScalar(prhs[5]); /* Lipshitz constant */ /*Handling Matlab output data*/ - dimX = dim_array[0]; dimY = dim_array[1]; + dimX = dim_array[0]; dimY = dim_array[1]; dimZ = dim_array[2]; if (number_of_dims == 2) { - Output = (float*)mxGetPr(plhs[0] = mxCreateNumericArray(2, dim_array, mxSINGLE_CLASS, mxREAL)); - /* running the function */ - TGV_GPU_main(Input, Output, lambda, alpha1, alpha0, iter, L2, dimX, dimY); + dimZ = 1; /*2D case*/ + Output = (float*)mxGetPr(plhs[0] = mxCreateNumericArray(2, dim_array, mxSINGLE_CLASS, mxREAL)); } - if (number_of_dims == 3) {mexErrMsgTxt("Only 2D images accepted");} + if (number_of_dims == 3) Output = (float*)mxGetPr(plhs[0] = mxCreateNumericArray(3, dim_array, mxSINGLE_CLASS, mxREAL)); + + /* running the function */ + TGV_GPU_main(Input, Output, lambda, alpha1, alpha0, iter, L2, dimX, dimY, dimZ); } |