Error message when using AMaSiNe published package : Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

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Lucy Menage
Lucy Menage 2022-7-13
编辑： Alvaro 2022-12-20
I'm trying to to use a published package (Precise Mapping of Single Neurons by Calibrated 3D Reconstruction of Brain Slices Reveals Topographic Projection in Mouse Visual Cortex (cell.com)) to match images of the brain to an atlas. I successfully used the package on the sample images provided but it doesn't work for my image. I have converted my images to 8-bit and downsampled to ~0.13um (suspect I have done something wrong here). So far, I am stuck on step 4 with this error message:
Unable to perform assignment because the indices on the left side are not compatible with the size of the right
side.
Error in STEP_4_Angle_Finder (line 90)
max_APpos_stage1(img_no_ii)=AP_rough_best;
This is the full script:
clear all; close all;
warning('off')
STEP_0_Parameters;
img_name=Img_filename_list;
load('Step1_Outline_result.mat')
no_images=size(anc_img_IDs, 2);
starting_ang_resolution=8;
denominator_step=2;
yaw_stage1=0; pitch_stage1=0;
BlockSz_Stg1=[13 13];
BlockSz_Stg2=[13 13];
BlockSz_Stg3=[13 13];
BlockSz_Stg4=[13 13];
BlockSz_Stg5=[13 13];
BlockSz_Stg6=[13 13];
BlockSz_Stg7=[13 13];
%% LOAD ALLEN ATLAS
if strcmp(Structure_stain,'DAPI') || strcmp(Structure_stain,'Nissl')
[VOL, metaVOL] = nrrdread('ara_nissl_25_2017.nrrd');
VOL=uint8(uint16(rot90(permute(VOL,[3 1 2]),3))/(2^8));
elseif strcmp(Structure_stain,'AutoF')
load('AutofluoresenceAtlas.mat');
VOL=rot90(permute(VOL,[3 1 2]),3);
else
error('Staining method not recognized');
end
ref_resc=1/0.5;
VOL=imresize3(VOL,1/ref_resc);
downscaled_xy_pix=ref_atlas_vox_res*ref_resc;
%% STAGE 1 : Contrast Adjustment and AP Positioning
computational_time_checker_stage1=tic;
disp('STAGE 1 : Contrast Adjustment and AP Positioning')
tform_yaw_1=transform_matrix_0822( yaw_stage1,[0 1 0]);
tform_pitch_1=transform_matrix_0822(pitch_stage1,[1 0 0] );
tform_combined_1=mtimes(tform_yaw_1, tform_pitch_1);
tf = affine3d(tform_combined_1);
VOL_rot=imwarp(VOL,tf,'cubic');
img_library(1:no_images)=struct('img',[]);
for img_no_ii=1:no_images
%%%% load raw image %%%%
img_act=(imread(img_name{anc_img_IDs(img_no_ii),Color_Channel_Structure}));
try
img_act=rgb2gray(img_act);
end
%%%% Leave the slice part only %%%%
img_act_pad=zeros(size(img_act));
img_act=img_act(img_info(anc_img_IDs(img_no_ii)).slice_window(1):img_info(anc_img_IDs(img_no_ii)).slice_window(2),...
img_info(anc_img_IDs(img_no_ii)).slice_window(3):img_info(anc_img_IDs(img_no_ii)).slice_window(4));
img_act_pad=img_act_pad(img_info(anc_img_IDs(img_no_ii)).slice_window(1):img_info(anc_img_IDs(img_no_ii)).slice_window(2),...
img_info(anc_img_IDs(img_no_ii)).slice_window(3):img_info(anc_img_IDs(img_no_ii)).slice_window(4));
img_act_pad(img_info(anc_img_IDs(img_no_ii)).bnd_pix_ind)=1;
img_act_pad=(imfill(img_act_pad));
img_act_pad=uint8(logical(img_act_pad));
img_act=img_act.*(img_act_pad);
% I_adj=imadjust(img_act,stretchlim(img_act,0.01),[0 1]);
I_adj=imadjust(img_act,stretchlim(img_act,0.0),[0 1]);
I_adj= I_adj+( I_adj-imgaussfilt( I_adj,1*100,'FilterSize',[3 3]*301,...
'FilterDomain','frequency'))*5;
I_adj=imresize(I_adj, (xy_pix)/(downscaled_xy_pix) );
for current_pos_idx=1:52
current_ap= ((current_pos_idx)*250/(downscaled_xy_pix))-size(VOL,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage1)*cosd(pitch_stage1));
img_ref=uint8(squeeze(VOL_rot(:,:,current_ap)));
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
rough_initial_search(current_pos_idx) =...
try_matching0805(I_adj, img_ref, downscaled_xy_pix,BlockSz_Stg1);
end
AP_arr_at_max_angle_stage1=rough_initial_search;
[AP_rough_best]=find(rough_initial_search==max(max(rough_initial_search)));
idx=find(AP_arr_at_max_angle_stage1==max(AP_arr_at_max_angle_stage1,[],2));
max_APpos_stage1(img_no_ii)=AP_rough_best;
% figure; plot(AP_arr_at_max_angle_stage1)
%%%% Get the slice img from the atlas that is least dissimilar to the experiment-obtained img %%%%
current_ap= ((AP_rough_best)*250/(downscaled_xy_pix))-size(VOL,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage1)*cosd(pitch_stage1));
img_ref=uint8(squeeze(VOL_rot(:,:,current_ap)));
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
I_adjusted=I_adj;
figure; imshow(I_adj)
img_library(img_no_ii).img=I_adjusted;
end
computational_time_stage1=toc(computational_time_checker_stage1);
disp(strcat({' Stage 1 : '}, {num2str(computational_time_stage1)}, {' seconds '}))
%% STAGE 2 : Angle Search at Search Resolution = 8 deg
computational_time_checker_stage2=tic;
disp(strcat('Searching Stage 2 - Find Angles: Angle Resolution = ', num2str(starting_ang_resolution)))
AP_array_2=repmat(-10:10,[no_images, 1])*2/ref_resc; %% +/- 500um search
AP_array_2=max_APpos_stage1'*250/(downscaled_xy_pix)+AP_array_2;
yaw_stage2=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]+yaw_stage1;
pitch_stage2=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]+pitch_stage1;
[yaw_stage2, pitch_stage2]=meshgrid(yaw_stage2,pitch_stage2);
yaw_stage2= yaw_stage2(:); pitch_stage2=pitch_stage2(:);
parfor ii=1:9
tform_yaw_2=transform_matrix_0822( yaw_stage2(ii),[0 1 0]);
tform_pitch_2=transform_matrix_0822(pitch_stage2(ii),[1 0 0] );
tform_combined_2=mtimes(tform_yaw_2, tform_pitch_2);
tf = affine3d(tform_combined_2);
VOL_rot=imwarp(VOL,tf,'cubic');
for img_no_ii=1:no_images
img_act=img_library(img_no_ii).img;
for current_pos_idx=1:21
current_ap= AP_array_2(img_no_ii,current_pos_idx)-size(VOL,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage2(ii))*cosd(pitch_stage2(ii)));
img_ref=uint8(squeeze(VOL_rot(:,:,current_ap)));
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
[ img_similarity]= try_matching0805(img_act, img_ref, downscaled_xy_pix,BlockSz_Stg2);
angle_2{ii}.img_similarity_arr_AP(img_no_ii,current_pos_idx)=img_similarity;
end
end
end
for ii=1:9
tempo_img_sim_arr= angle_2{ii}.img_similarity_arr_AP;
for jj=1:size(tempo_img_sim_arr,1)
tempo_img_sim_arr_single_img=tempo_img_sim_arr(jj,:);
angle_2_filtered{ii}.img_similarity_arr_AP(jj,:)= tempo_img_sim_arr_single_img;
end
end
for ii=1:9
max_val_stage2(ii)=sum(max(angle_2_filtered{ii}.img_similarity_arr_AP,[],2));
end
max_val_stage2=reshape(max_val_stage2,[3 3]);
max_val_stage2_smooth=max_val_stage2(:);
max_ang_idx_2=find(max_val_stage2_smooth==max(max_val_stage2_smooth));
yaw_stage2_max=yaw_stage2(max_ang_idx_2)
pitch_stage2_max=pitch_stage2(max_ang_idx_2)
%%% find Max Sim AP IDX
AP_arr_at_max_angle_stage2= angle_2_filtered{max_ang_idx_2}.img_similarity_arr_AP;
for ii=1:no_images
tempo_AP_arr_2=AP_arr_at_max_angle_stage2(ii,:);
tempo_max_sim_2=find(tempo_AP_arr_2==max(tempo_AP_arr_2));
if length(tempo_max_sim_2)>1 %% in case with more than 1 max values
tempo_padded_AP_arr_2=padarray(tempo_AP_arr_2,[0 1],'replicate','both');
for jj=1:length(tempo_max_sim_2)
tempo_whos_higher_2(jj)=...
nanmean(tempo_padded_AP_arr_2(tempo_max_sim_2(jj):tempo_max_sim_2(jj)+2));
end
whos_higher_idx_2=find(tempo_whos_higher_2==max(tempo_whos_higher_2));
max_APpos_stage2_idx(ii)=tempo_max_sim_2(whos_higher_idx_2);
else
max_APpos_stage2_idx(ii)=tempo_max_sim_2;
end
end
for ii=1:no_images
max_APpos_stage2(ii)=AP_array_2(ii,max_APpos_stage2_idx(ii));
end
computational_time_stage2=toc(computational_time_checker_stage2);
disp(strcat({' Stage 2 : '}, {num2str(computational_time_stage2)}, {' seconds '}))
%% STAGE 3 : Angle Search at Search Resolution = 4 deg
computational_time_checker_stage3=tic;
disp(strcat('Searching Stage 3 - Find Angles: Angle Resolution = ', num2str(starting_ang_resolution/denominator_step)))
AP_array_3=repmat(-10:10,[no_images, 1])*2/ref_resc;
AP_array_3=max_APpos_stage2'+AP_array_3;
yaw_stage3=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]/denominator_step+yaw_stage2_max;
pitch_stage3=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]/denominator_step+pitch_stage2_max;
[yaw_stage3, pitch_stage3]=meshgrid(yaw_stage3,pitch_stage3);
yaw_stage3= yaw_stage3(:); pitch_stage3=pitch_stage3(:);
parfor ii=1:9
tform_yaw_3=transform_matrix_0822( yaw_stage3(ii),[0 1 0]);
tform_pitch_3=transform_matrix_0822(pitch_stage3(ii),[1 0 0] );
tform_combined_3=mtimes(tform_yaw_3, tform_pitch_3);
tf = affine3d(tform_combined_3);
VOL_rot=imwarp(VOL,tf,'cubic');
for img_no_ii=1:no_images
img_act=img_library(img_no_ii).img;
for current_pos_idx=1:21
current_ap= AP_array_3(img_no_ii,current_pos_idx)-size(VOL,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage3(ii))*cosd(pitch_stage3(ii)));
img_ref=uint8(squeeze(VOL_rot(:,:,current_ap)));
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
[ img_similarity]= try_matching0805(img_act, img_ref, downscaled_xy_pix,BlockSz_Stg3);
angle_3{ii}.img_similarity_arr_AP(img_no_ii,current_pos_idx)=img_similarity;
end
end
end
for ii=1:9
tempo_img_sim_arr= angle_3{ii}.img_similarity_arr_AP;
for jj=1:size(tempo_img_sim_arr,1)
tempo_img_sim_arr_single_img=tempo_img_sim_arr(jj,:);
angle_3_filtered{ii}.img_similarity_arr_AP(jj,:)= tempo_img_sim_arr_single_img;
end
end
for ii=1:9
max_val_stage3(ii)=sum(max(angle_3_filtered{ii}.img_similarity_arr_AP,[],2));
end
max_val_stage3=reshape(max_val_stage3,[3 3]);
max_val_stage3_smooth=max_val_stage3;
max_val_stage3_smooth=max_val_stage3_smooth(:);
max_ang_idx_3=find(max_val_stage3_smooth==max(max_val_stage3_smooth));
yaw_stage3_max=yaw_stage3(max_ang_idx_3)
pitch_stage3_max=pitch_stage3(max_ang_idx_3)
%%% find Max Sim AP IDX
AP_arr_at_max_angle_stage3=angle_3_filtered{max_ang_idx_3}.img_similarity_arr_AP;
for ii=1:no_images
tempo_AP_arr_3=AP_arr_at_max_angle_stage3(ii,:);
tempo_max_sim_3=find(tempo_AP_arr_3==max(tempo_AP_arr_3));
if length(tempo_max_sim_3)>1
tempo_padded_AP_arr_3=padarray(tempo_AP_arr_3,[0 1],'replicate','both');
for jj=1:length(tempo_max_sim_3)
tempo_whos_higher_3(jj)=...
nanmean(tempo_padded_AP_arr_3(tempo_max_sim_3(jj):tempo_max_sim_3(jj)+2));
end
whos_higher_idx_3=find(tempo_whos_higher_3==max(tempo_whos_higher_3));
max_APpos_stage3_idx(ii)=tempo_max_sim_3(whos_higher_idx_3);
else
max_APpos_stage3_idx(ii)=tempo_max_sim_3;
end
end
for ii=1:no_images
max_APpos_stage3(ii)=AP_array_3(ii,max_APpos_stage3_idx(ii));
end
computational_time_stage3=toc(computational_time_checker_stage3);
disp(strcat({' Stage 3 : '}, {num2str(computational_time_stage3)}, {' seconds '}))
%% STAGE 4: Angle Search at Search Resolution = 2 deg
computational_time_checker_stage4=tic;
disp(strcat('Searching Stage 4 - Find Angles: Angle Resolution = ', num2str(starting_ang_resolution/denominator_step^2)))
AP_array_4=repmat(-10:10,[no_images, 1])*2/ref_resc;
AP_array_4=max_APpos_stage3'+AP_array_4;
yaw_stage4=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]/denominator_step^2+yaw_stage3_max;
pitch_stage4=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]/denominator_step^2+pitch_stage3_max;
[yaw_stage4, pitch_stage4]=meshgrid(yaw_stage4,pitch_stage4);
yaw_stage4= yaw_stage4(:); pitch_stage4=pitch_stage4(:);
parfor ii=1:9
tform_yaw_4=transform_matrix_0822( yaw_stage4(ii),[0 1 0]);
tform_pitch_4=transform_matrix_0822(pitch_stage4(ii),[1 0 0] );
tform_combined_4=mtimes(tform_yaw_4, tform_pitch_4);
tf = affine3d(tform_combined_4);
VOL_rot=imwarp(VOL,tf,'cubic');
for img_no_ii=1:no_images
img_act=img_library(img_no_ii).img;
for current_pos_idx=1:21
current_ap= AP_array_4(img_no_ii,current_pos_idx)-size(VOL,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage4(ii))*cosd(pitch_stage4(ii)));
img_ref=uint8(squeeze(VOL_rot(:,:,current_ap)));
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
[ img_similarity]= try_matching0805(img_act, img_ref, downscaled_xy_pix,BlockSz_Stg4);
angle_4{ii}.img_similarity_arr_AP(img_no_ii,current_pos_idx)=img_similarity;
end
end
end
for ii=1:9
tempo_img_sim_arr= angle_4{ii}.img_similarity_arr_AP;
for jj=1:size(tempo_img_sim_arr,1)
tempo_img_sim_arr_single_img=tempo_img_sim_arr(jj,:);
angle_4_filtered{ii}.img_similarity_arr_AP(jj,:)= tempo_img_sim_arr_single_img;
end
end
for ii=1:9
max_val_stage4(ii)=sum(max(angle_4{ii}.img_similarity_arr_AP,[],2));
end
max_val_stage4=reshape(max_val_stage4,[3 3]);
max_val_stage4_smooth=max_val_stage4;
max_val_stage4_smooth=max_val_stage4_smooth(:);
max_ang_idx_4=find(max_val_stage4_smooth==max(max_val_stage4_smooth));
yaw_stage4_max=yaw_stage4(max_ang_idx_4)
pitch_stage4_max=pitch_stage4(max_ang_idx_4)
%%% find Max Sim AP IDX
AP_arr_at_max_angle_stage4=angle_4_filtered{max_ang_idx_4}.img_similarity_arr_AP;
for ii=1:no_images
tempo_AP_arr_4=AP_arr_at_max_angle_stage4(ii,:);
tempo_max_sim_4=find(tempo_AP_arr_4==max(tempo_AP_arr_4));
if length(tempo_max_sim_4)>1
tempo_padded_AP_arr_4=padarray(tempo_AP_arr_4,[0 1],'replicate','both');
for jj=1:length(tempo_max_sim_4)
tempo_whos_higher_4(jj)=...
nanmean(tempo_padded_AP_arr_4(tempo_max_sim_4(jj):tempo_max_sim_4(jj)+2));
end
whos_higher_idx_4=find(tempo_whos_higher_4==max(tempo_whos_higher_4));
max_APpos_stage4_idx(ii)=tempo_max_sim_4(whos_higher_idx_4);
else
max_APpos_stage4_idx(ii)=tempo_max_sim_4;
end
end
for ii=1:no_images
max_APpos_stage4(ii)=AP_array_4(ii,max_APpos_stage4_idx(ii));
end
computational_time_stage4=toc(computational_time_checker_stage4);
disp(strcat({' Stage 4 : '}, {num2str(computational_time_stage4)}, {' seconds '}))
%% STAGE 5: Angle Search at Search Resolution = 1 deg
computational_time_checker_stage5=tic;
disp(strcat('Searching Stage 5 - Find Angles: Angle Resolution = ', num2str(starting_ang_resolution/denominator_step^3)))
AP_array_5=repmat(-10:10,[no_images, 1])*2/ref_resc;
AP_array_5=max_APpos_stage4'+AP_array_5;
yaw_stage5=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]/denominator_step^3+yaw_stage4_max;
pitch_stage5=[-starting_ang_resolution:starting_ang_resolution:starting_ang_resolution]/denominator_step^3+pitch_stage4_max;
[yaw_stage5, pitch_stage5]=meshgrid(yaw_stage5,pitch_stage5);
yaw_stage5= yaw_stage5(:); pitch_stage5=pitch_stage5(:);
parfor ii=1:9
tform_yaw_5=transform_matrix_0822( yaw_stage5(ii),[0 1 0]);
tform_pitch_5=transform_matrix_0822(pitch_stage5(ii),[1 0 0] );
tform_combined_5=mtimes(tform_yaw_5, tform_pitch_5);
tf = affine3d(tform_combined_5);
VOL_rot=imwarp(VOL,tf,'cubic');
for img_no_ii=1:no_images
img_act=img_library(img_no_ii).img;
for current_pos_idx=1:21
current_ap= AP_array_5(img_no_ii,current_pos_idx)-size(VOL,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage5(ii))*cosd(pitch_stage5(ii)));
img_ref=uint8(squeeze(VOL_rot(:,:,current_ap)));
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
[ img_similarity]= try_matching0805(img_act, img_ref, downscaled_xy_pix,BlockSz_Stg5);
angle_5{ii}.img_similarity_arr_AP(img_no_ii,current_pos_idx)=img_similarity;
end
end
end
for ii=1:9
tempo_img_sim_arr= angle_5{ii}.img_similarity_arr_AP;
for jj=1:size(tempo_img_sim_arr,1)
tempo_img_sim_arr_single_img=tempo_img_sim_arr(jj,:);
angle_5_filtered{ii}.img_similarity_arr_AP(jj,:)= tempo_img_sim_arr_single_img;
end
end
for ii=1:9
max_val_stage5(ii)=sum(max(angle_5{ii}.img_similarity_arr_AP,[],2));
end
max_val_stage5=reshape(max_val_stage5,[3 3]);
max_val_stage5_smooth=max_val_stage5;
max_val_stage5_smooth=max_val_stage5_smooth(:);
max_ang_idx_5=find(max_val_stage5_smooth==max(max_val_stage5_smooth));
yaw_stage5_max=yaw_stage5(max_ang_idx_5)
pitch_stage5_max=pitch_stage5(max_ang_idx_5)
%%% find Max Sim AP IDX
AP_arr_at_max_angle_stage5=angle_5_filtered{max_ang_idx_5}.img_similarity_arr_AP;
for ii=1:no_images
tempo_AP_arr_5=AP_arr_at_max_angle_stage5(ii,:);
tempo_max_sim_5=find(tempo_AP_arr_5==max(tempo_AP_arr_5));
if length(tempo_max_sim_5)>1
tempo_padded_AP_arr_5=padarray(tempo_AP_arr_5,[0 1],'replicate','both');
for jj=1:length(tempo_max_sim_5)
tempo_whos_higher_5(jj)=...
nanmean(tempo_padded_AP_arr_5(tempo_max_sim_5(jj):tempo_max_sim_5(jj)+2));
end
whos_higher_idx_5=find(tempo_whos_higher_5==max(tempo_whos_higher_5));
max_APpos_stage5_idx(ii)=tempo_max_sim_5(whos_higher_idx_5);
else
max_APpos_stage5_idx(ii)=tempo_max_sim_5;
end
end
for ii=1:no_images
max_APpos_stage5(ii)=AP_array_5(ii,max_APpos_stage5_idx(ii));
end
computational_time_stage5=toc(computational_time_checker_stage5);
disp(strcat({' Stage 5 : '}, {num2str(computational_time_stage5)}, {' seconds '}))
%% STAGE 6 : Rough AP searching with angles found
computational_time_checker_stage6=tic;
disp(strcat('Searching Stage 6 - Rough AP searching with angles found'))
tform_yaw_6=transform_matrix_0822( yaw_stage5_max,[0 1 0]);
tform_pitch_6=transform_matrix_0822(pitch_stage5_max,[1 0 0] );
tform_combined_6=mtimes(tform_yaw_6, tform_pitch_6);
tf = affine3d(tform_combined_6);
VOL_rot=imwarp(VOL,tf,'cubic');
parfor img_no_ii=1:no_images
disp(num2str( img_no_ii))
img_act=img_library(img_no_ii).img;
rough_search=zeros(1,52);
for current_pos_idx=1:52
current_ap= ((current_pos_idx)*250/(downscaled_xy_pix))-size(VOL,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage5_max)*cosd(pitch_stage5_max));
img_ref=uint8(squeeze(VOL_rot(:,:,current_ap)));
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
rough_search(current_pos_idx) =...
try_matching0805(img_act, img_ref, downscaled_xy_pix,BlockSz_Stg6);
end
AP_arr_at_max_angle_stage6=rough_search;
[AP_rough_best]=find(rough_search==max(max(rough_search)));
idx=find(AP_arr_at_max_angle_stage6==max(AP_arr_at_max_angle_stage6,[],2));
max_APpos_stage6(img_no_ii)=AP_rough_best;
end
computational_time_stage6=toc(computational_time_checker_stage6);
disp(strcat({' Stage 6 : '}, {num2str(computational_time_stage6)}, {' seconds '}))
%% STAGE 7 : Rough AP searching with angles found
computational_time_checker_stage7=tic;
disp('Searching Stage 7 - Final AP searching')
if strcmp(Structure_stain,'DAPI') || strcmp(Structure_stain,'Nissl')
[VOL, metaVOL] = nrrdread('ara_nissl_25_2017.nrrd');
VOL_ori=uint8(uint16(rot90(permute(VOL,[3 1 2]),3))/(2^8));
elseif strcmp(Structure_stain,'AutoF') || strcmp(Structure_stain,'BrightField')
load('AutofluoresenceAtlas.mat');
VOL_ori=rot90(permute(VOL,[3 1 2]),3);
end
VOL_rot=imwarp(VOL_ori,tf,'cubic');
AP_array_7=repmat(-20:20,[no_images, 1]);
AP_array_7=max_APpos_stage6'*250/(ref_atlas_vox_res)+AP_array_7;
parfor ii=1:no_images
img_act=img_library(ii).img;
for jj=1:41
current_ap= AP_array_7(ii,jj)-size(VOL_ori,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(pitch_stage5_max)*cosd(yaw_stage5_max));
img_ref=imresize(uint8(squeeze(VOL_rot(:,:,current_ap))), 1/ref_resc);
img_ref=imadjust(img_ref,stretchlim(img_ref,0),[0 1]);
[ img_similarity]= try_matching0805(img_act, img_ref,downscaled_xy_pix,BlockSz_Stg7);
img_similarity_AP_final(ii,jj)=img_similarity;
end
end
for ii=1:no_images
tempo_AP_arr_final=img_similarity_AP_final(ii,:);
set(gca,'FontSize',16)
tempo_max_sim_final=find(tempo_AP_arr_final==max(tempo_AP_arr_final));
max(tempo_AP_arr_final)
if length(tempo_max_sim_final)>1
tempo_padded_AP_arr_final=padarray(tempo_AP_arr_final,[0 1],'replicate','both');
for jj=1:length(tempo_max_sim_final)
tempo_whos_higher_final(jj)=...
nanmean(tempo_padded_AP_arr_final(tempo_max_sim_final(jj):tempo_max_sim_final(jj)+2));
end
whos_higher_idx_final=find(tempo_whos_higher_final==max(tempo_whos_higher_final));
max_APpos_stage_final_idx(ii)=tempo_max_sim_final(whos_higher_idx_final);
else
max_APpos_stage_final_idx(ii)=tempo_max_sim_final;
end
end
for ii=1:no_images
max_APpos_stage_final(ii)=AP_array_7(ii, max_APpos_stage_final_idx(ii));
end
computational_time_stage7=toc(computational_time_checker_stage7);
disp(strcat({' Stage 7 : '}, {num2str(computational_time_stage7)}, {' seconds '}))
%%%%%%%%%%%%%%%%%%% SHOW RESULT %%%%%%%%%%%%%%%%%%%%%%
for ii=1:no_images
img_act=img_library(ii).img;
current_ap= max_APpos_stage_final(ii)-size(VOL_ori,3)/2;
current_ap= round(size(VOL_rot,3)/2+current_ap*cosd(yaw_stage5_max)*cosd(pitch_stage5_max));
img_ref=imresize(uint8(squeeze(VOL_rot(:,:,current_ap))),1/ref_resc);
img_similarity= try_matching0805(img_act, img_ref, downscaled_xy_pix,BlockSz_Stg7);
figure; imshowpair(img_act,img_ref,'montage')
title(strcat('ARA Slice Corresponding to the Anchor Img No.',num2str(ii)));
end
clearvars VOL VOL_rot VOL_ori
save('Step_4_Angle_Search_Result','-v7.3');

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回答（1 个）

Alvaro
Alvaro 2022-12-20
编辑：Alvaro 2022-12-20
Note that AP_rough_best is being defined by this line
[AP_rough_best]=find(rough_search==max(max(rough_search)));
which is later followed by
max_APpos_stage1(img_no_ii)=AP_rough_best;
You can recapitulate the same error you are getting by running the following code
a = 1:10;
b = find(a>5);
c(1) = b ;
Since rough_search is a vector of length 52, it is possible that the line defining AP_rough_best could be returning a vector of length greater than 1 which in turn would cause an error when you call the next line. You could try modifying the code with max_APpos_stage1 as a cell array or other data type that allows for that kind of assignment.

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