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Viewing changes to dfi_cuda/dfi_cuda.cu

  • Committer: Suren A. Chilingaryan
  • Date: 2018-09-19 03:13:24 UTC
  • Revision ID: csa@suren.me-20180919031324-bpzmj1p5qg02eoxa
Do not pad sinograms to next power of 2 in DFI (also improves quality)

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Lines of Context:
dfi_cuda/dfi_cuda.cu
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    ctx->oversampling = setup->fft_oversampling;
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    ctx->rho_len = cutted_rho_len;
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    ctx->rho_ext_len = pow(2, ceil(log2f(ctx->rho_len))) * ctx->oversampling;
 
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//    ctx->rho_ext_len = pow(2, ceil(log2f(ctx->rho_len))) * ctx->oversampling;
 
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    ctx->rho_ext_len = ((cutted_rho_len) / 128 + (cutted_rho_len % 128?1:0)) * 128 * ctx->oversampling;
 
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    printf("Sino bins %u, oversampling %u\n", ctx->rho_ext_len, ctx->oversampling);
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    ctx->num_projections = setup->num_projections;
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    ctx->L = (float)setup->dfi_kernel_size;