From 8f3aecc8b52f1b4eb8f9c8618f9ff5fdb6cf5aa9 Mon Sep 17 00:00:00 2001
From: Nicola Vigano <nicola.vigano@esrf.fr>
Date: Mon, 26 Feb 2018 18:35:49 +0100
Subject: [PATCH] 6D-reconstruction: got rid of useless dedicated path for
super sampling
It can be handled more easily the through the normal code path
Signed-off-by: Nicola Vigano <nicola.vigano@esrf.fr>
---
zUtil_Deformation/Gt6DBlobReconstructor.m | 28 +--
.../Gt6DReconstructionAlgorithmFactory.m | 175 +++++-------------
zUtil_Deformation/Gt6DVolumeProjector.m | 64 +------
zUtil_Deformation/Gt6DVolumeToBlobProjector.m | 57 +-----
4 files changed, 66 insertions(+), 258 deletions(-)
diff --git a/zUtil_Deformation/Gt6DBlobReconstructor.m b/zUtil_Deformation/Gt6DBlobReconstructor.m
index 7003f613..29531425 100644
--- a/zUtil_Deformation/Gt6DBlobReconstructor.m
+++ b/zUtil_Deformation/Gt6DBlobReconstructor.m
@@ -345,18 +345,10 @@ classdef Gt6DBlobReconstructor < Gt6DVolumeToBlobProjector
num_geoms = self.get_number_geometries();
num_det = self.get_number_detectors();
for ii_d = 1:num_det
- if (self.using_super_sampling(ii_d))
- for n = 1:num_geoms
- sinogram_size = [ ...
- self.proj_size_uv(1), size(self.ss_geometries{ii_d}{n}, 1), self.proj_size_uv(2)];
- num_bytes = num_bytes + float_bytes * prod(sinogram_size);
- end
- else
- for n = 1:num_geoms
- sinogram_size = [ ...
- self.proj_size_uv(1), size(self.geometries{ii_d}{n}, 1), self.proj_size_uv(2)];
- num_bytes = num_bytes + float_bytes * prod(sinogram_size);
- end
+ for n = 1:num_geoms
+ sinogram_size = [ ...
+ self.proj_size_uv(1), size(self.geometries{ii_d}{n}, 1), self.proj_size_uv(2)];
+ num_bytes = num_bytes + float_bytes * prod(sinogram_size);
end
end
end
@@ -692,16 +684,8 @@ classdef Gt6DBlobReconstructor < Gt6DVolumeToBlobProjector
self.bwd_weights(1:num_ors) = {0};
for ii_d = 1:num_det
- if (~self.using_super_sampling(ii_d))
- for ii = 1:num_ors
- self.bwd_weights{ii} = self.bwd_weights{ii} + sum(self.offsets{ii_d}{ii}.proj_coeffs);
- end
- else
- for ii = 1:num_ors
- proj_structs = [self.ss_offsets{ii_d}{ii}{:}];
- proj_weights = cat(2, proj_structs(:).proj_coeffs);
- self.bwd_weight{ii} = self.bwd_weights{ii} + sum(proj_weights);
- end
+ for ii = 1:num_ors
+ self.bwd_weights{ii} = self.bwd_weights{ii} + sum(self.offsets{ii_d}{ii}.proj_coeffs);
end
end
fprintf('\b\b (%2.1f s)\n', toc(c));
diff --git a/zUtil_Deformation/Gt6DReconstructionAlgorithmFactory.m b/zUtil_Deformation/Gt6DReconstructionAlgorithmFactory.m
index 6db330e9..654398bb 100644
--- a/zUtil_Deformation/Gt6DReconstructionAlgorithmFactory.m
+++ b/zUtil_Deformation/Gt6DReconstructionAlgorithmFactory.m
@@ -70,8 +70,6 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
'data_type', self.data_type, ...
'geometries', {algo_params.geometries}, ...
'offsets', {algo_params.offsets}, ...
- 'ss_geometries', {algo_params.geometries_ss}, ...
- 'ss_offsets', {algo_params.offsets_ss}, ...
'volume_ss', self.volume_downscaling, ...
'rspace_ss', self.rspace_super_sampling, ...
'orientation_groups', or_groups, ...
@@ -186,10 +184,7 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
end
geometries = cat(1, algo_params(:).geometries);
- geometries_ss = cat(1, algo_params(:).geometries_ss);
-
offsets = algo_params(1).offsets;
- offsets_ss = algo_params(1).offsets_ss;
num_parent_blobs = numel(algo_params(1).blobs);
@@ -262,22 +257,11 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
blobs{shared_blob_pos_inc} = new_blob;
% Fixing the shift in parent's projection
- if (~isempty(geometries_ss))
- for ii_o = 1:numel(offsets_ss)
- for ii_ss = 1:numel(offsets_ss{ii_o})
- inds_of_shared_blobs = offsets_ss{ii_o}{ii_ss}.blob_offsets == shared_blob_pos_inc;
-
- offsets_ss{ii_o}{ii_ss}.proj_offsets(inds_of_shared_blobs) ...
- = offsets_ss{ii_o}{ii_ss}.proj_offsets(inds_of_shared_blobs) + proj_shift;
- end
- end
- else
- for ii_o = 1:numel(offsets)
- inds_of_shared_blobs = offsets{ii_o}.blob_offsets == shared_blob_pos_inc;
+ for ii_o = 1:numel(offsets)
+ inds_of_shared_blobs = offsets{ii_o}.blob_offsets == shared_blob_pos_inc;
- offsets{ii_o}.proj_offsets(inds_of_shared_blobs) ...
- = offsets{ii_o}.proj_offsets(inds_of_shared_blobs) + proj_shift;
- end
+ offsets{ii_o}.proj_offsets(inds_of_shared_blobs) ...
+ = offsets{ii_o}.proj_offsets(inds_of_shared_blobs) + proj_shift;
end
end
end
@@ -298,79 +282,40 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
% Shifting projection to the concatenated blobs, unless that
% blob was shared between parent and twin
- if (~isempty(geometries_ss))
- proj_coeffs_ss = algo_params(ii_o_reg).offsets_ss;
- for ii_o = 1:numel(proj_coeffs_ss)
- for ii_ss = 1:numel(proj_coeffs_ss{ii_o})
- % Indices of the blobs, that we project to, in
- % curr_or
- inds_of_blobs = proj_coeffs_ss{ii_o}{ii_ss}.blob_offsets;
-
- % to_be_shifted contains the indices to the
- % blobs belonging only to the current region
- % identified by ii_o_reg
- to_be_shifted = ~shared(inds_of_blobs);
-
- % The indices of the given blobs belonging to
- % the current orientation will be shifted by
- % the number of blobs accumulated already
- inds_of_blobs(to_be_shifted) ...
- = inds_of_blobs(to_be_shifted) + base_offset_shift;
-
- % Treating the shared blobs
- inds_of_blobs(~to_be_shifted) ...
- = ref_inc_to_sel(shared_pos(inds_of_blobs(~to_be_shifted)));
-
- proj_coeffs_ss{ii_o}{ii_ss}.blob_offsets = inds_of_blobs;
-
- % And now taking care of the positions inside
- % those blobs
- for ii_b = 1:numel(blobs_with_projs_to_be_shifted)
- ind_of_parent_blob = parent_pos_shared_bls(blobs_with_projs_to_be_shifted(ii_b));
- inds_of_shared_blobs = inds_of_blobs == ind_of_parent_blob;
-
- proj_coeffs_ss{ii_o}{ii_ss}.proj_offsets(inds_of_shared_blobs) = ...
- proj_coeffs_ss{ii_o}{ii_ss}.proj_offsets(inds_of_shared_blobs) + proj_shifts(blobs_with_projs_to_be_shifted(ii_b));
- end
- end
- end
- offsets_ss = cat(1, offsets_ss, proj_coeffs_ss);
- else
- proj_coeffs = algo_params(ii_o_reg).offsets;
- for ii_o = 1:numel(proj_coeffs)
- % Indices of the blobs, that we project to, in
- % curr_or
- inds_of_blobs = proj_coeffs{ii_o}.blob_offsets;
-
- % to_be_shifted contains the indices to the
- % blobs belonging only to the current region
- % identified by ii_o_reg
- to_be_shifted = ~shared(inds_of_blobs);
-
- % The indices of the given blobs belonging to
- % the current orientation will be shifted by
- % the number of blobs accumulated already
- inds_of_blobs(to_be_shifted) ...
- = inds_of_blobs(to_be_shifted) + base_offset_shift;
-
- % Treating the shared blobs
- inds_of_blobs(~to_be_shifted) ...
- = ref_inc_to_sel(shared_pos(inds_of_blobs(~to_be_shifted)));
-
- proj_coeffs{ii_o}.blob_offsets = inds_of_blobs;
-
- % And now taking care of the positions inside
- % those blobs
- for ii_b = 1:numel(blobs_with_projs_to_be_shifted)
- ind_of_parent_blob = parent_pos_shared_bls(blobs_with_projs_to_be_shifted(ii_b));
- inds_of_shared_blobs = inds_of_blobs == ind_of_parent_blob;
-
- proj_coeffs{ii_o}.proj_offsets(inds_of_shared_blobs) = ...
- proj_coeffs{ii_o}.proj_offsets(inds_of_shared_blobs) + proj_shifts(blobs_with_projs_to_be_shifted(ii_b));
- end
+ proj_coeffs = algo_params(ii_o_reg).offsets;
+ for ii_o = 1:numel(proj_coeffs)
+ % Indices of the blobs, that we project to, in
+ % curr_or
+ inds_of_blobs = proj_coeffs{ii_o}.blob_offsets;
+
+ % to_be_shifted contains the indices to the
+ % blobs belonging only to the current region
+ % identified by ii_o_reg
+ to_be_shifted = ~shared(inds_of_blobs);
+
+ % The indices of the given blobs belonging to
+ % the current orientation will be shifted by
+ % the number of blobs accumulated already
+ inds_of_blobs(to_be_shifted) ...
+ = inds_of_blobs(to_be_shifted) + base_offset_shift;
+
+ % Treating the shared blobs
+ inds_of_blobs(~to_be_shifted) ...
+ = ref_inc_to_sel(shared_pos(inds_of_blobs(~to_be_shifted)));
+
+ proj_coeffs{ii_o}.blob_offsets = inds_of_blobs;
+
+ % And now taking care of the positions inside
+ % those blobs
+ for ii_b = 1:numel(blobs_with_projs_to_be_shifted)
+ ind_of_parent_blob = parent_pos_shared_bls(blobs_with_projs_to_be_shifted(ii_b));
+ inds_of_shared_blobs = inds_of_blobs == ind_of_parent_blob;
+
+ proj_coeffs{ii_o}.proj_offsets(inds_of_shared_blobs) = ...
+ proj_coeffs{ii_o}.proj_offsets(inds_of_shared_blobs) + proj_shifts(blobs_with_projs_to_be_shifted(ii_b));
end
- offsets = cat(1, offsets, proj_coeffs);
end
+ offsets = cat(1, offsets, proj_coeffs);
base_offset_shift = base_offset_shift + numel(algo_params(ii_o_reg).blobs);
end
@@ -381,8 +326,6 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
'data_type', self.data_type, ...
'geometries', geometries, ...
'offsets', offsets, ...
- 'ss_geometries', geometries_ss, ...
- 'ss_offsets', offsets_ss, ...
'volume_ss', self.volume_downscaling, ...
'psf', psf, ...
'orientation_groups', or_groups, ...
@@ -606,17 +549,14 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
% Taking care of the orientation-space super-sampling
tot_orient = sampler(ii_o_reg).get_total_num_orientations();
- if (num_ospace_oversampling == 1)
- geometries_ss = {};
- offsets_ss = {};
- else
+ if (num_ospace_oversampling > 1)
geometries = reshape(geometries, num_ospace_oversampling, []);
offsets = reshape(offsets, num_ospace_oversampling, []);
geometries_ss = cell(tot_orient, 1);
offsets_ss = cell(tot_orient, 1);
for ii_or = 1:tot_orient
- geometries_ss{ii_or} = geometries(:, ii_or);
+ geometries_ss{ii_or} = cat(1, geometries{:, ii_or});
% merging all the orientation-space super-sampling
% projection coefficients into one structure per
@@ -625,21 +565,16 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
offsets_ss{ii_or} = self.merge_offsets(offsets(:, ii_or));
end
- geometries = {};
- offsets = {};
+ geometries = geometries_ss;
+ offsets = offsets_ss;
end
proj_props(ii_o_reg).geom = geometries;
proj_props(ii_o_reg).offs = offsets;
- proj_props(ii_o_reg).geom_ss = geometries_ss;
- proj_props(ii_o_reg).offs_ss = offsets_ss;
end
geometries = cat(1, proj_props(:).geom);
- geometries_ss = cat(1, proj_props(:).geom_ss);
-
offsets = cat(1, proj_props(:).offs);
- offsets_ss = cat(1, proj_props(:).offs_ss);
% Handling PSFs (very simplistic ATM)
if (isfield(self.parameters.rec.grains.options, 'psf') ...
@@ -659,19 +594,12 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
blobs_struct(1).det_ss = proj_det_ss;
blobs_struct(1).psf = psf;
- geometries = {geometries};
- geometries_ss = {geometries_ss};
- offsets = {offsets};
- offsets_ss = {offsets_ss};
-
or_groups = self.get_orientation_groups(sampler);
algo = Gt6DBlobReconstructor(volume_size, blobs_struct, ...
'data_type', self.data_type, ...
- 'geometries', geometries, ...
- 'offsets', offsets, ...
- 'ss_geometries', geometries_ss, ...
- 'ss_offsets', offsets_ss, ...
+ 'geometries', {geometries}, ...
+ 'offsets', {offsets}, ...
'volume_ss', self.volume_downscaling, ...
'orientation_groups', or_groups, ...
varargin{:} );
@@ -859,17 +787,14 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
% Taking care of the orientation-space super-sampling
tot_orient = sampler.get_total_num_orientations();
- if (num_ospace_oversampling == 1)
- geometries_ss = {};
- offsets_ss = {};
- else
+ if (num_ospace_oversampling > 1)
geometries = reshape(geometries, num_ospace_oversampling, []);
offsets = reshape(offsets, num_ospace_oversampling, []);
geometries_ss = cell(tot_orient, 1);
offsets_ss = cell(tot_orient, 1);
for ii_or = 1:tot_orient
- geometries_ss{ii_or} = geometries(:, ii_or);
+ geometries_ss{ii_or} = cat(1, geometries{:, ii_or});
% merging all the orientation-space super-sampling
% projection coefficients into one structure per
@@ -878,8 +803,8 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
offsets_ss{ii_or} = self.merge_offsets(offsets(:, ii_or));
end
- geometries = {};
- offsets = {};
+ geometries = geometries_ss;
+ offsets = offsets_ss;
end
p = self.parameters;
@@ -907,8 +832,6 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
'blobs', {blobs_struct}, ...
'geometries', {geometries}, ...
'offsets', {offsets}, ...
- 'geometries_ss', {geometries_ss}, ...
- 'offsets_ss', {offsets_ss}, ...
'blobs_w_lims', {blobs_w_lims_pad} );
end
@@ -1469,7 +1392,9 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
new_offsets_ss = offsets_ss{1};
cumulative_offs = max(offsets_ss{1}.sino_offsets);
- for ii_ss = 2:numel(offsets_ss)
+ num_sub_orients = numel(offsets_ss);
+
+ for ii_ss = 2:num_sub_orients
new_offsets_ss.sino_offsets ...
= cat(2, new_offsets_ss.sino_offsets, offsets_ss{ii_ss}.sino_offsets + cumulative_offs);
new_offsets_ss.blob_offsets ...
@@ -1482,6 +1407,8 @@ classdef Gt6DReconstructionAlgorithmFactory < handle
num_projs = max(offsets_ss{ii_ss}.sino_offsets);
cumulative_offs = cumulative_offs + num_projs;
end
+
+ new_offsets_ss.proj_coeffs = new_offsets_ss.proj_coeffs / num_sub_orients;
end
end
end
diff --git a/zUtil_Deformation/Gt6DVolumeProjector.m b/zUtil_Deformation/Gt6DVolumeProjector.m
index 37a54deb..34a57461 100644
--- a/zUtil_Deformation/Gt6DVolumeProjector.m
+++ b/zUtil_Deformation/Gt6DVolumeProjector.m
@@ -10,8 +10,6 @@ classdef Gt6DVolumeProjector < handle
astra_volume_geometry = {};
geometries = {};
- ss_geometries = {};
-
astra_projection_geometries = {};
astra_projector_ids = {};
@@ -47,22 +45,11 @@ classdef Gt6DVolumeProjector < handle
end
num_det = self.get_number_detectors();
- if (isempty(self.ss_geometries{1}))
- num_geoms = numel(self.geometries{1});
- else
- num_geoms = numel(self.ss_geometries{1});
- end
+ num_geoms = numel(self.geometries{1});
for ii_d = 2:num_det
- if (isempty(self.ss_geometries{1}))
- if (num_geoms ~= numel(self.geometries{ii_d}))
- error('Gt6DVolumeProjector:wrong_argument', ...
- 'All detectors should have the same number of geometries!')
- end
- else
- if (num_geoms ~= numel(self.ss_geometries{ii_d}))
- error('Gt6DVolumeProjector:wrong_argument', ...
- 'All detectors should have the same number of geometries!')
- end
+ if (num_geoms ~= numel(self.geometries{ii_d}))
+ error('Gt6DVolumeProjector:wrong_argument', ...
+ 'All detectors should have the same number of geometries!')
end
end
@@ -111,12 +98,7 @@ classdef Gt6DVolumeProjector < handle
'DetectorSuperSampling', self.rspace_ss, ...
'GPUindex', -1 );
- if (isempty(self.ss_geometries{1}))
- num_geoms = numel(self.geometries{1});
- else
- num_geoms = numel(self.ss_geometries{1});
- end
-
+ num_geoms = numel(self.geometries{1});
num_det = self.get_number_detectors();
for ii_d = 1:num_det
@@ -128,11 +110,7 @@ classdef Gt6DVolumeProjector < handle
self.astra_projector_ids{ii_d} = cell(num_geoms, 1);
for n = 1:num_geoms
- if (isempty(self.ss_geometries{ii_d}))
- geom = self.geometries{ii_d}{n};
- else
- geom = cat(1, self.ss_geometries{ii_d}{n}{:});
- end
+ geom = self.geometries{ii_d}{n};
self.astra_projection_geometries{ii_d}{n} = astra_create_proj_geom(...
'parallel3d_vec', self.proj_size_uv(ii_d, 2), self.proj_size_uv(ii_d, 1), geom);
@@ -151,10 +129,6 @@ classdef Gt6DVolumeProjector < handle
num_geometries = numel(self.astra_projector_ids{1});
end
- function is_ss = using_super_sampling(self, det_ind)
- is_ss = ~isempty(self.ss_geometries{det_ind});
- end
-
function chunk_size = get_jobs_chunk_size(self)
chunk_size = self.num_gpus * self.jobs_bunch_size;
end
@@ -172,10 +146,6 @@ classdef Gt6DVolumeProjector < handle
function sinogram = fwd_project_volumes_to_sinos(self, volume, det_ind, n)
% Basic Fwd-Projection function
- if (self.using_super_sampling(det_ind))
- volume = self.rescale_volume_ss(volume, det_ind, n);
- end
-
sinogram = astra_mex_direct_c('FP3D', [self.astra_projector_ids{det_ind}{n}], volume);
end
@@ -183,10 +153,6 @@ classdef Gt6DVolumeProjector < handle
% Basic Bwd-Projection function
volume = astra_mex_direct_c('BP3D', [self.astra_projector_ids{det_ind}{n}], sinogram);
-
- if (self.using_super_sampling(det_ind))
- volume = self.rescale_volume_ss(volume, det_ind, n);
- end
end
function reset_geometry(self)
@@ -203,22 +169,4 @@ classdef Gt6DVolumeProjector < handle
end
end
end
-
- methods (Access = private)
- function volume = rescale_single_volume_ss(self, volume, det_ind, n)
- num_ss_geoms = numel(self.ss_geometries{det_ind}{n});
- volume = volume ./ num_ss_geoms;
- end
-
- function volume = rescale_volume_ss(self, volume, det_ind, n)
- num_orients = numel(n);
- if (num_orients > 1)
- for ii_o = 1:num_orients
- volume{ii_o} = self.rescale_single_volume_ss(volume{ii_o}, det_ind, n(ii_o));
- end
- else
- volume = self.rescale_single_volume_ss(volume, det_ind, n);
- end
- end
- end
end
diff --git a/zUtil_Deformation/Gt6DVolumeToBlobProjector.m b/zUtil_Deformation/Gt6DVolumeToBlobProjector.m
index c533137f..9c3266ef 100644
--- a/zUtil_Deformation/Gt6DVolumeToBlobProjector.m
+++ b/zUtil_Deformation/Gt6DVolumeToBlobProjector.m
@@ -4,7 +4,6 @@ classdef Gt6DVolumeToBlobProjector < Gt6DVolumeProjector
blobs;
offsets = {};
- ss_offsets = {};
sinogram_sizes = zeros(0, 3, 0);
@@ -41,11 +40,7 @@ classdef Gt6DVolumeToBlobProjector < Gt6DVolumeProjector
num_det = self.get_number_detectors();
self.sinogram_sizes = zeros(num_orients, 3, num_det);
for ii_d = 1:num_det
- if (self.using_super_sampling(ii_d))
- geoms = self.ss_geometries{ii_d};
- else
- geoms = self.geometries{ii_d};
- end
+ geoms = self.geometries{ii_d};
self.sinogram_sizes(:, :, ii_d) = [ ...
self.proj_size_uv(ii_d * ones_n_ors, 1), zeros(num_orients, 1), self.proj_size_uv(ii_d * ones_n_ors, 2)];
@@ -54,44 +49,6 @@ classdef Gt6DVolumeToBlobProjector < Gt6DVolumeProjector
end
end
end
-
-% function fwd_weights = getRowsSum(self)
-% num_det = numel(self.blobs);
-%
-% chunk_size = self.get_jobs_chunk_size();
-% num_geoms = self.get_number_geometries();
-%
-% vols_ones(1:chunk_size) = {ones(self.volume_geometry, self.data_type)};
-%
-% fwd_weights = cell(num_det, 1);
-% for ii_d = 1:num_det
-% fwd_weights{ii_d} = gtMathsGetSameSizeZeros(self.blobs(ii_d).data);
-%
-% for n = 1:chunk_size:num_geoms
-% chunk_safe_size = min(chunk_size, (num_geoms - n + 1));
-%
-% inds = n:(n+chunk_safe_size-1);
-%
-% fwd_weights{ii_d} = self.fwd_project_volume( ...
-% fwd_weights{ii_d}, vols_ones(1:chunk_safe_size), ii_d, inds);
-% end
-% end
-% end
-
-% function bwd_weights = getColumnsSum(self)
-% num_blobs = numel(self.blobs.sizes_w);
-% blobs_ones = cell(1, num_blobs);
-% for n = 1:num_blobs
-% blobs_ones{n} = ones(self.proj_size_uv(1), ...
-% self.blobs.sizes_w(n), self.proj_size_uv(2));
-% end
-%
-% num_geoms = self.get_number_geometries();
-% bwd_weights = cell(1, num_geoms);
-% for n = 1:num_geoms
-% bwd_weights{n} = self.bwd_project_volumes(blobs_ones, n);
-% end
-% end
end
methods (Access = protected)
@@ -127,11 +84,7 @@ classdef Gt6DVolumeToBlobProjector < Gt6DVolumeProjector
function [blobs, bs_time] = process_sinos_fwd(self, blobs, sinos, det_ind, ns)
% Here we add the individual sinograms to the blobs
- if (self.using_super_sampling(det_ind))
- offs = self.ss_offsets{det_ind}(ns);
- else
- offs = self.offsets{det_ind}(ns);
- end
+ offs = self.offsets{det_ind}(ns);
c = tic();
@@ -158,11 +111,7 @@ classdef Gt6DVolumeToBlobProjector < Gt6DVolumeProjector
function [sinos, bs_time] = process_sinos_bwd(self, blobs, det_ind, ns)
% Here we extract the individual sinograms from the blobs
- if (self.using_super_sampling(det_ind))
- offs = self.ss_offsets{det_ind}(ns);
- else
- offs = self.offsets{det_ind}(ns);
- end
+ offs = self.offsets{det_ind}(ns);
sinos_size = self.sinogram_sizes(ns, :, det_ind);
--
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