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ID Date Author Type Categoryup Subject Text Attachments
  13054   Fri Jun 9 09:13:26 2017 SteveUpdateCamerasGigE camera lens with AR We should move on with getting this
lens from Edmonds #67-717  at 1064
R<3% 
 coating_curve.pdf 
  13070   Fri Jun 16 18:21:40 2017 jigyasaConfigurationCamerasGigE camera IP One of the additional GigE cameras has been
IP configured for use and installation. 

Static IP assigned to the camera-
  
  13074   Tue Jun 20 14:58:08 2017 SteveUpdateCamerasGigE camera at ETMXGigE can be connected to ethernet. AR coated
1064 f50 can arrive any day now.

 ETMXgige.jpg 
  13083   Tue Jun 27 16:18:59 2017 jigyasaUpdateCamerasGigE camera at ETMXThe 50mm lens has arrived. (Delivered yesterday).

Also the GigE has been wired and
conencted to the Martian. Image acquisition
  
  13089   Fri Jun 30 11:08:26 2017 jigyasaUpdateCamerasGigE camera at ETMX
With Steve's help in
 PicturesETMX.pdfdirtyETMXwindow.jpg 
  13091   Fri Jun 30 15:25:19 2017 jigyasaUpdateCamerasGigE camera at ETMXAll thanks to Steve, we cleaned the view
port on the ETMX on which the camera is installed,
and with a little fine tuning of the focus
 Image__2017-06-30__15-10-05.pdf14ms.pdf 
  13092   Fri Jun 30 16:03:54 2017 jigyasaUpdateCamerasGigE camera at ETMX 




 14msexposure.png 
  13098   Thu Jul 6 11:58:28 2017 jigyasaUpdateCamerasHDR images of ETMXI captured a few images of the beam spot
on ETMX at 5ms, 10ms, 14ms, 50ms, 100ms,
500ms, 1000ms exposure and ran them through
 ETMXHDRcolormap.pngETMXHDRimage.png 
  13100   Fri Jul 7 14:34:27 2017 ranaUpdateCamerasHDR images of ETMXi wonder how 'HDR' these images
really are. is there a quantitative way to
check that we are really getting more bits?
  
  13118   Sat Jul 15 01:28:53 2017 jigyasaUpdateCamerasBRDF CalibrationsThis evening,
Gautam helped me with setting up the apparatus
for calibrating the GigE for BRDF measurements.
  
  13119   Sat Jul 15 13:40:59 2017 ranaUpdateCamerasBRDF CalibrationsPower meter only needed to measure power
going into the paper not out. We use the
BRDF of paper to estimate the power going
  
  13120   Sat Jul 15 16:19:00 2017 gautamUpdateCamerasMakeshift PyPylonSome days ago, I stumbled upon
this github page, by a grad student at
KIT who developed this code as he was
 pyPylon_test.png 
  13121   Sun Jul 16 11:58:36 2017 jigyasaUpdateCamerasBRDF Calibrations 

From
what I understood froom my reading, [Large-angle
  
  13122   Sun Jul 16 12:09:47 2017 jigyasaUpdateCamerasBRDF CalibrationsWith this idea in mind, we can now actually
take images of the illuminated paper at
different scattering angles, assume BRDF
  
  13310   Mon Sep 11 23:31:50 2017 johannesUpdateCameraspost-vent camera capture comparisonThe latest pre-unintended vent captures
of the test mass face cameras were taken
on June
 13x 
  13334   Tue Sep 26 22:11:08 2017 johannesUpdateCameraspost-vent camera capture comparisonI configured the remaining GigE-Camera
to work on the 40m network. We currently
have 3 operational Basler cameras:
 lens_distance.pdfImage__2017-09-26__18-54-29.jpgIMG_20170926_190157222_HDR.jpgIMG_20170926_185649325.jpg 
  13348   Mon Oct 2 12:44:45 2017 johannesUpdateCamerasBasler 120gm calibrationDisclaimer: Wrong calibration
factors! See 
 calib_20170930_152.pdfcalib_20170930_153.pdf 
  13352   Mon Oct 2 23:16:05 2017 gautamHowToCamerasCCD calibrationGoing through some astronomy CCD calibration
resources ([1]-[3]),
  
  13354   Tue Oct 3 01:58:32 2017 johannesHowToCamerasCCD calibrationDisclaimer: Wrong calibration
factors! See 
 gige_calibration.pdf 
  13375   Thu Oct 12 01:03:49 2017 johannesHowToCamerasETMX GigE side viewI calculated a better lens solution for
the ETMX side view with the simple python
script that's attached. The camera is
 IMG_20171011_164549698.jpgImage__2017-10-11__16-52-01.pngGigE_lens_position_helper.py.zip 
  13377   Thu Oct 12 07:56:33 2017 SteveHowToCamerasETMX GigE side view at 50 deg of IR scattering Telescope front lens to wall distance
25 cm,  GigE camera lenght 6 cm and
cat6 cable 2cm
 Image__2017-10-11__15-29-52_15k400g.pngImage__2017-10-12__15-50-18wipedRefocud2.pngcamCan16cm.jpg 
  13389   Wed Oct 18 11:37:58 2017 johannesHowToCamerasETMX GigE side view at 50 deg


  
  13391   Wed Oct 18 15:26:58 2017 johannesHowToCamerasRevision: CCD calibrationThe units were still off in my previous
post. Here's the corrected, sanity-checked
version:
 calib_20170930_152.pdfcalib_20170930_153.pdf 
  13868   Fri May 18 20:03:14 2018 PoojaUpdateCamerasTelescopic lens solution for GigEAim: To find telescopic lens solution to
image test mass onto the sensor of GigE camera.

I wrote a python code to find an
 8x 
  13874   Mon May 21 17:36:00 2018 poojaUpdateCamerasGigE camera image of ETMXToday Steve and I tried to to capture the
image of scattering of light by dust particles
on the surface of ETMX using GigE camera.
 Image__2018-05-21__17-34-15_125k100g.tiff 
  13893   Fri May 25 14:55:33 2018 Jon RichardsonUpdateCamerasStatus of GigE Camera Software FixesThere is an effort to switch to an all-digital system
for the GigE camera feeds similar to the
one running at LLO, which uses Joe Betzwieser's
  
  13909   Fri Jun 1 19:25:11 2018 poojaUpdateCamerasSynchronizing video data with the applied motion to the mirrorAim: To synchronize data
from the captured video and the signal applied
to ETMX
 camera_mirror_motion_plots.pdf 
  13914   Mon Jun 4 11:34:05 2018 Jon RichardsonUpdateCamerasUpdate on GigE CamerasI spent a day trying to modify
Joe B.'s LLO camera client-server code
without ultimate success. His codes now runs
  
  13917   Tue Jun 5 20:31:42 2018 ranaUpdateCamerasUpdate on GigE CamerasAha! Video is back!

I think it would be good to add
a flag whereby the video can be saved to
  
  13937   Sun Jun 10 15:04:33 2018 poojaUpdateCamerasDeveloping neural networkAim: To develop a neural network in order
to correlate the intensity fluctuations in
the scattered light to the angular motion
 nn_block_diag_2.pdf 
  13940   Mon Jun 11 17:18:39 2018 poojaUpdateCamerasCCD calibrationAim: To calibrate CCD of GigE using LED1050E.

The following table shows some
of the specifications for LED1050E as given
 led_circuit.pdfR_vs_V.pdf 
  13951   Tue Jun 12 19:27:25 2018 poojaUpdateCamerasCCD calibrationToday I made the led (1050nm) circuit inside
a box as given in my previous elog. Steve
drilled a 1mm hole in the box as an aperture
 IMG_20180612_163831.jpg 
  13972   Fri Jun 15 09:51:55 2018 poojaUpdateCamerasDeveloping neural networkAim : To develop a neural network on simulated
data.

I developed a python code that
 nn_1.pdfnn_2.pdf 
  13986   Tue Jun 19 14:08:37 2018 poojaUpdateCamerasCCD calibration using LED1050EAim: To measure the optical power from
led using a powermeter.

Yesterday Gautam drilled a larger
  
  13991   Wed Jun 20 20:39:36 2018 poojaUpdateCamerasCCD calibration using LED1050E 




  
  14018   Tue Jun 26 10:50:14 2018 poojaUpdateCamerasBeam spot tracking using OpenCVAim: To track the motion of beam spot in
simulated video.

I simulated a video that moves
 cv2_track_fig.pdf 
  14020   Tue Jun 26 17:20:33 2018 JonConfigurationCamerasLLO Python Camera Software is WorkingThanks to a discussion yesterday with Joe
Betzweiser, I was able to identify and fix
the remaining problem with the LLO GigE camera
  
  14021   Tue Jun 26 17:54:59 2018 poojaUpdateCamerasDeveloping neural networksAim:  To find a model that trains
the simulated data of Gaussian beam spot
moving in a vertical direction by the application
 NN_noise_diag.zip 
  14037   Wed Jul 4 20:48:32 2018 poojaUpdateCamerasMedm screen for GigE(Gautam, Pooja)

Aim: To develop medm screen for
GigE.
 sitemap.pngGigE_macros.pngCUST_CAMERA.png 
  14053   Wed Jul 11 16:50:34 2018 poojaUpdateCamerasUpdate in developing neural networksAim: To develop a neural
network that resolves mirror motion from
 graphs.pdf 
  14070   Fri Jul 13 23:23:49 2018 poojaUpdateCamerasUpdate in developing neural networksAim: To develop a neural
network that resolves mirror motion from
 nn_simulation_2_nodes4_lr0p00001_beta1_0p8_beta2_0p85.pdfnn_simulation_2_nodes8_lr0p00001_beta1_0p8_beta2_0p85.pdf 
  14089   Thu Jul 19 18:09:17 2018 poojaUpdateCamerasUpdate in developing neural networksAim: To develop a neural
network that resolves mirror motion from
 nn_simulation_mlt_sine_nodes4_lr0p00001_beta1_0p8_beta2_0p85_marked.pdfnn_simulation_2_nodes4_target-1to1_marked.pdf 
  14097   Sun Jul 22 14:01:07 2018 poojaUpdateCamerasDeveloping neural networks on simulated videoAim: To develop a neural
network that resolves mirror motion from
 nn_simulation_2_normalized_mult_sin_nodes8_128epochs_lr0p00001_beta1_0p8_beta2_0p85_0p4train_0p1valid_marked.pdfnn_simulation_normalizedtarget_128epochs_mult_sin_load_wt_varyingtest_nodes8_lr0p00001_beta1_0p8_beta2_0p85_0p4train_0p1valid_marked.pdfnn_simulation_2_normalized_varying_mult_sin_nodes8_128epochs_lr0p00001_beta1_0p8_beta2_0p85_0p4train_0p1valid_marked.pdf 
  14100   Tue Jul 24 06:11:50 2018 ranaUpdateCamerasDeveloping neural networks on simulated videoThis looks like good progress. Instead
of fixed sines or random noise, you should
generate now a time series for the motion
  
  14101   Tue Jul 24 09:47:51 2018 gautamUpdateCamerasDeveloping neural networks on simulated videoI was thinking a little more about the
way we are training the network for the current
topology - because the network has no recurrent
  
  14114   Sun Jul 29 23:15:34 2018 poojaUpdateCamerasDeveloping CNNAim: To develop a convolutional
neural network that resolves mirror motion
 conv_nn_varying_freq_amp_1.pdfconv_nn_varying_freq_amp_2.pdf 
  14632   Thu May 23 08:51:30 2019 MilindUpdateCamerasSetting up beam spot simulationI have done the following thus far since
elog #14626:

Simulation:
 variation.pdfcontours_simulated.mp4contours_real.mp4 
  14633   Thu May 23 10:18:39 2019 KruthiUpdateCamerasCCD calibrationOn Tuesday, I tried reproducing Pooja's
measurements (https://nodus.ligo.caltech.edu:8081/40m/13986).
The table below shows the values I got.
 setup.jpegled_circuit.jpegled_schematic.pdfLED_plot.png 
  14635   Thu May 23 15:37:30 2019 MilindUpdateCamerasSimulation enhancements and performance of contour detection
Implemented image level noise for
simulation. Added only uniform random noise.
Implemented
addition of uniform random noise to any sinusoidal
 6x 
  14638   Sat May 25 20:29:08 2019 MilindUpdateCamerasSimulation enhancements and performance of contour detection
I used the same motion as defined
in the previous elog. I gradually added noise
to the images. Noise added was uniform random
 residue_normalised_x.pdfresidue_normalised_x.pdfresidue_normalised_x.pdfpredicted_motion_x.pdfnormalised_comparison_y.pdf 
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