Closed bearyjd closed 4 years ago
dakotabenjamin
commented
6 years ago I'd like to test this but don't have a Garmin VIRB. Can you find an interesting object and place it on a carpet or other (non-glossy) surface and then take 15-20 photos of it from different angles? Let's try to rule out if it's a camera issue or a scene issue first.
dakotabenjamin
commented
6 years ago Actually, first lets try to calibrate the camera. It looks like there's some lens distortion. Can you try these scripts: https://github.com/dakotabenjamin/CameraCalibration and test ODM with --use-fixed-camera-parameters on the undistorted photos?
bearyjd
commented
6 years ago I actually stripped the exif data out from all the photos and it worked without any issues. Once I tried with the same photo set with the exif data back in, odm failed again.
dakotabenjamin
commented
6 years ago This is likely an issue that needs to be fixed by OpenSfM: https://github.com/mapillary/OpenSfM
It looks like the software should be able to handle VIRB cameras, so I'm not sure what could be the problem or why removing the exif is causing it to work. Can you link this in an issue with the OpenSfM repo?
I am having problems with Garmin Virb EXIF data as well. I believe that this was listed in issue 104.
https://github.com/OpenDroneMap/OpenDroneMap/issues/104
Whenever I run WebODM with VIRB photos, I get the following:
--------------------+---------------------------------------------------------- 2017-12-30 19:27:23,801 Ceres Solver Report: Iterations: -2, Initial cost: -1.000000e+00, Final cost: -1.000000e+00, Termination: FAILURE Traceback (most recent call last): File "/code/SuperBuild/src/opensfm/bin/opensfm", line 34, in command.run(args) File "/code/SuperBuild/src/opensfm/opensfm/commands/reconstruct.py", line 21, in run report = reconstruction.incremental_reconstruction(data) File "/code/SuperBuild/src/opensfm/opensfm/reconstruction.py", line 1069, in incremental_reconstruction data, graph, reconstruction, remaining_images, gcp) File "/code/SuperBuild/src/opensfm/opensfm/reconstruction.py", line 1031, in grow_reconstruction align.align_reconstruction(reconstruction, gcp, data.config) File "/code/SuperBuild/src/opensfm/opensfm/align.py", line 14, in align_reconstruction res = align_reconstruction_similarity(reconstruction, gcp, config) File "/code/SuperBuild/src/opensfm/opensfm/align.py", line 56, in align_reconstruction_similarity return align_reconstruction_naive_similarity(reconstruction, gcp) File "/code/SuperBuild/src/opensfm/opensfm/align.py", line 80, in align_reconstruction_naive_similarity T = tf.superimposition_matrix(X.T, Xp.T, scale=True) File "/code/SuperBuild/src/opensfm/opensfm/transformations.py", line 1041, in superimposition_matrix scale=scale, usesvd=usesvd) File "/code/SuperBuild/src/opensfm/opensfm/transformations.py", line 954, in affine_matrix_from_points u, s, vh = numpy.linalg.svd(numpy.dot(v1, v0.T)) File "/usr/lib/python2.7/dist-packages/numpy/linalg/linalg.py", line 1359, in svd u, s, vt = gufunc(a, signature=signature, extobj=extobj) File "/usr/lib/python2.7/dist-packages/numpy/linalg/linalg.py", line 99, in _raise_linalgerror_svd_nonconvergence raise LinAlgError("SVD did not converge") numpy.linalg.linalg.LinAlgError: SVD did not converge Traceback (most recent call last): File "/code/run.py", line 47, in plasm.execute(niter=1) File "/code/scripts/opensfm.py", line 122, in process (context.pyopencv_path, context.opensfm_path, tree.opensfm)) File "/code/opendm/system.py", line 34, in run raise Exception("Child returned {}".format(retcode)) Exception: Child returned 1 --------------------+----------------------------------------------------------
EXIF tags in 'VIRB0001-68.JPG' ('Intel' byte order): --------------------+---------------------------------------------------------- Tag |Value --------------------+---------------------------------------------------------- Image Description |DCIM\100_VIRB\VIRB0001- Manufacturer |Garmin Model |VIRB Ultra 30 Orientation |Top-left X-Resolution |72 Y-Resolution |72 Resolution Unit |Inch Software |4.40 Date and Time |2017:12:29 15:50:38 YCbCr Positioning |Centered Compression |JPEG compression X-Resolution |72 Y-Resolution |72 Resolution Unit |Inch Exposure Time |1/543 sec. F-Number |f/2.6 Exposure Program |Normal program ISO Speed Ratings |100 Exif Version |Exif Version 2.3 Date and Time (Origi|2017:12:29 15:50:38 Date and Time (Digit|2017:12:29 15:50:38 Components Configura|- Cr Cb Y Compressed Bits per |15561472.087 Shutter Speed |9.09 EV (1/543 sec.) Aperture |2.76 EV (f/2.6) Exposure Bias |0.00 EV Maximum Aperture Val|2.76 EV (f/2.6) Subject Distance |0.0 m Metering Mode |Center-weighted average Light Source |Unknown Flash |No flash function Focal Length |2.7 mm Maker Note |256 bytes undefined data FlashPixVersion |Unknown FlashPix Version Color Space |sRGB Pixel X Dimension |4000 Pixel Y Dimension |3000 Exposure Index |0/0 Sensing Method |One-chip color area sensor File Source |DSC Scene Type |Directly photographed Custom Rendered |Normal process Exposure Mode |Auto exposure White Balance |Auto white balance Digital Zoom Ratio | 1 Focal Length in 35mm|15 Scene Capture Type |Landscape Gain Control |Normal Contrast |Normal Saturation |Normal Sharpness |Normal Device Setting Descr|4 bytes undefined data Subject Distance Ran|Unknown North or South Latit|N Latitude |40, 32, 56.169895 East or West Longitu|W Longitude |75, 58, 39.558057 Altitude Reference |Sea level Altitude |142.470336 Speed Unit |K Speed of GPS Receive|0.000000 Direction of Movemen|243.863808 Geodetic Survey Data|WGS-84 Interoperability Ind| Interoperability Ver|0010 --------------------+---------------------------------------------------------- EXIF data contains a thumbnail (3370 bytes).