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Fixed dataset search in IMUKittiExampleGPS

release/4.3a0
Richard Roberts 2013-08-13 20:18:58 +00:00
parent b56a166429
commit fd353efece
1 changed files with 4 additions and 7 deletions
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11
matlab/gtsam_examples/IMUKittiExampleGPS.m
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@ -1,13 +1,10 @@
close all
clc
import gtsam.*; import gtsam.*;
disp('Example of application of ISAM2 for GPS-aided navigation on the KITTI VISION BENCHMARK SUITE (http://www.computervisiononline.com/dataset/kitti-vision-benchmark-suite)') disp('Example of application of ISAM2 for GPS-aided navigation on the KITTI VISION BENCHMARK SUITE (http://www.computervisiononline.com/dataset/kitti-vision-benchmark-suite)')
%% Read metadata and compute relative sensor pose transforms %% Read metadata and compute relative sensor pose transforms
% IMU metadata % IMU metadata
disp('-- Reading sensor metadata') disp('-- Reading sensor metadata')
IMU_metadata = importdata('KittiEquivBiasedImu_metadata.txt'); IMU_metadata = importdata(findExampleDataFile('KittiEquivBiasedImu_metadata.txt'));
IMU_metadata = cell2struct(num2cell(IMU_metadata.data), IMU_metadata.colheaders, 2); IMU_metadata = cell2struct(num2cell(IMU_metadata.data), IMU_metadata.colheaders, 2);
IMUinBody = Pose3.Expmap([IMU_metadata.BodyPtx; IMU_metadata.BodyPty; IMU_metadata.BodyPtz; IMUinBody = Pose3.Expmap([IMU_metadata.BodyPtx; IMU_metadata.BodyPty; IMU_metadata.BodyPtz;
IMU_metadata.BodyPrx; IMU_metadata.BodyPry; IMU_metadata.BodyPrz; ]); IMU_metadata.BodyPrx; IMU_metadata.BodyPry; IMU_metadata.BodyPrz; ]);
@ -16,20 +13,20 @@ if ~IMUinBody.equals(Pose3, 1e-5)
end end
% GPS metadata % GPS metadata
GPS_metadata = importdata('KittiRelativePose_metadata.txt'); GPS_metadata = importdata(findExampleDataFile('KittiRelativePose_metadata.txt'));
GPS_metadata = cell2struct(num2cell(GPS_metadata.data), GPS_metadata.colheaders, 2); GPS_metadata = cell2struct(num2cell(GPS_metadata.data), GPS_metadata.colheaders, 2);
%% Read data %% Read data
disp('-- Reading sensor data from file') disp('-- Reading sensor data from file')
% IMU data % IMU data
IMU_data = importdata('KittiEquivBiasedImu.txt'); IMU_data = importdata(findExampleDataFile('KittiEquivBiasedImu.txt'));
IMU_data = cell2struct(num2cell(IMU_data.data), IMU_data.colheaders, 2); IMU_data = cell2struct(num2cell(IMU_data.data), IMU_data.colheaders, 2);
imum = cellfun(@(x) x', num2cell([ [IMU_data.accelX]' [IMU_data.accelY]' [IMU_data.accelZ]' [IMU_data.omegaX]' [IMU_data.omegaY]' [IMU_data.omegaZ]' ], 2), 'UniformOutput', false); imum = cellfun(@(x) x', num2cell([ [IMU_data.accelX]' [IMU_data.accelY]' [IMU_data.accelZ]' [IMU_data.omegaX]' [IMU_data.omegaY]' [IMU_data.omegaZ]' ], 2), 'UniformOutput', false);
[IMU_data.acc_omega] = deal(imum{:}); [IMU_data.acc_omega] = deal(imum{:});
clear imum clear imum
% GPS data % GPS data
GPS_data = importdata('Gps_converted.txt'); GPS_data = importdata(findExampleDataFile('Gps_converted.txt'));
GPS_data = cell2struct(num2cell(GPS_data.data), GPS_data.colheaders, 2); GPS_data = cell2struct(num2cell(GPS_data.data), GPS_data.colheaders, 2);
for i = 1:numel(GPS_data) for i = 1:numel(GPS_data)
GPS_data(i).Position = gtsam.Point3(GPS_data(i).X, GPS_data(i).Y, GPS_data(i).Z); GPS_data(i).Position = gtsam.Point3(GPS_data(i).X, GPS_data(i).Y, GPS_data(i).Z);