Difference between revisions of "Eyesis4Pi workflow"

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==Preface==
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==Actual Workflow==
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The following page describes the Eyesis4Pi camera software and post-processing procedures.
 
  
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== WebGUI (recording)==
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===Footage Acquisition===
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{| class="wikitable"
 +
|-
 +
! Step !! Description !! Time, min !! Comment
 +
|-
 +
|align="center"                    | 1
 +
|style="padding:0px 15px 0px 15px;"| Mounting on a vehicle
 +
|align="center"                    | 15
 +
|style="padding:0px 15px 0px 15px;"| We do not provide racks or backpacks yet
 +
|-
 +
|align="center"                    | 2
 +
|style="padding:0px 15px 0px 15px;"| Power on and boot
 +
|align="center"                    | 1-2
 +
|style="padding:0px 15px 0px 15px;"|
 +
|-
 +
|align="center"                    | 3
 +
|style="padding:0px 15px 0px 15px;"| Network setup
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|align="center"                    | 0-1
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|style="padding:0px 15px 0px 15px;"| Needed only once. [http://linuxlibrary.org/kubuntu-network-configuration/  Kubuntu Network Configuration].
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|-
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|align="center"                    | 4
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|style="padding:0px 15px 0px 15px;"| [[Eyesis4Pi_User_Guide_-_Recording|Accessing the WebGUI]]
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|align="center"                    | 0-1
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|style="padding:0px 15px 0px 15px;"|The camera is controlled through a WebGUI
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|-
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|align="center"                    | 5
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|style="padding:0px 15px 0px 15px;"| System tests
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|align="center"                    | 0-1
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|style="padding:0px 15px 0px 15px;"| Optional
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|-
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|align="center"                    | 6
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|style="padding:0px 15px 0px 15px;"| Waiting for GPS lock
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|align="center"                    | 0-10
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|style="padding:0px 15px 0px 15px;"| Cold start can take up to 10 min
 +
|-
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|align="center"                    | 7
 +
|style="padding:0px 15px 0px 15px;"| Setting up paths and shooting parameters
 +
|align="center"                    | 0-1
 +
|style="padding:0px 15px 0px 15px;"| Initial settings can take longer time
 +
|-
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|align="center"                    | 8
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|style="padding:0px 15px 0px 15px;"| Start recording
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|align="center"                    | -
 +
|style="padding:0px 15px 0px 15px;"|
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|-
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|align="center"                    | 9
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|style="padding:0px 15px 0px 15px;"| Stop recording
 +
|align="center"                    | -
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|style="padding:0px 15px 0px 15px;"| Output:
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* Images in a [[JP4|JP4]] format (a RAW format with a better quality than JPEG)
 +
* Binary log with the IMU,GPS and Internal Timestamp records.
 +
|-
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|align="center"                    | 10
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|style="padding:0px 15px 0px 15px;"| Downloading GPS/IMU log
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|align="center"                    | 0-10
 +
|style="padding:0px 15px 0px 15px;"| Download onto recording PC, depends on the file size.
 +
|-
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|align="center"                    | 11
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|style="padding:0px 15px 0px 15px;"| Camera power off
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|align="center"                    | 0-1
 +
|style="padding:0px 15px 0px 15px;"| Power off the switch, unplug cables
 +
|-
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|align="center"                    | 12
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|style="padding:0px 15px 0px 15px;"| Taking the camera off the vehicle
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|align="center"                    | 10
 +
|style="padding:0px 15px 0px 15px;"| If needed
 +
|}
 +
 
 +
===Post-Processing===
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{| class="wikitable"
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|-
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! Step !! Description !! Time, min !! Program !! Comment
 +
|-
 +
|align="center"                    | 1
 +
|style="padding:0px 15px 0px 15px;"| Copying footage from SSDs to the PC
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|align="center"                    | 10-30
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|align="center" style="padding:0px 15px 0px 15px;"| Manual
 +
|style="padding:0px 15px 0px 15px;"|
 +
|-
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|align="center"                    | 2
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|style="padding:0px 15px 0px 15px;"| Selecting images for post-processing
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|align="center"                    | -
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|align="center" style="padding:0px 15px 0px 15px;"| WebGUI - [[Eyesis4Pi_Panorama_Previewer|Panorama Previewer]]
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|style="padding:0px 15px 0px 15px;"| Optional, if not all the images are needed
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|-
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|align="center"                    | 3
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|style="padding:0px 15px 0px 15px;"| Copying selected or all the images for post-processing
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|align="center"                    | 10-30
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|align="center" style="padding:0px 15px 0px 15px;"| WebGUI - [[Eyesis4Pi_Footage_Procedures_page|Footage Procedures]]
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|style="padding:0px 15px 0px 15px;"|
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|-
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|align="center"                    | 4
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|style="padding:0px 15px 0px 15px;"| Post-processing in ImageJ
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|align="center"                    | 20-30<sup>1</sup>
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|align="center" style="padding:0px 15px 0px 15px;"| [[Eyesis4pi_Post-Processing|ImageJ]]
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|style="padding:5px 15px 5px 15px;"| Output: transformed according pixel map images ready for stitching and blending.
 +
Procedures performed:
 +
* Applying pixel mapping information
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* Aberration correction
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* Distortion correction
 +
* Vignetting correction
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* Color correction
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* Denoising
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* Sharpening
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|-
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|align="center"                    | 5
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|style="padding:0px 15px 0px 15px;"| Stitching and blending
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|align="center"                    | 2-5<sup>1</sup>
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|style="padding:0px 15px 0px 15px;"| WebGUI - [[Eyesis4Pi_Footage_Procedures_page|Footage Procedures]]
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|style="padding:0px 15px 0px 15px;"| Output panoramas in equirectangular projection
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|-
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|align="center"                    | 6
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|style="padding:0px 15px 0px 15px;"| Preparing panoramas for WebGL Viewer
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|align="center"                    | 2-5<sup>1</sup>
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|style="padding:0px 15px 0px 15px;"| WebGUI - [[Eyesis4Pi_Footage_Procedures_page|Footage Procedures]]
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|style="padding:0px 15px 0px 15px;"| Optional
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|}
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<sup>1</sup>- per single scene
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<br><br>
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==GUIs Overview==
  
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Eyesis4Pi GUI (PHP+JavaScript+HTML) should be installed on the laptop.
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=== WebGUI (recording)===
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* PHP+JavaScript+HTML.
 +
* Installed on the laptop or PC used for recording.
 +
 
 +
[[Eyesis4Pi_User_Guide|More info...]]
 
<!--
 
<!--
 
* [http://wiki.elphel.com/index.php?title=Eyesis_gui elphel-eyesis-gui] - camera GUI  
 
* [http://wiki.elphel.com/index.php?title=Eyesis_gui elphel-eyesis-gui] - camera GUI  
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|[[File:Recording gui pattern.jpeg|thumb|700px|Recording WebGUI, preview - test pattern]]
 
|[[File:Recording gui pattern.jpeg|thumb|700px|Recording WebGUI, preview - test pattern]]
 
|}
 
|}
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==Output==
 
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* Images in a [[JP4|JP4]] format(a RAW format with a better quality than *.jpeg).
 
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* Binary log with the IMU,GPS and Internal Timestamp records.
 
−
 
−
[[Eyesis4Pi_data_structure|More info...]]
 
  
 
<!--
 
<!--
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-->
 
-->
  
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== Post-Processing==
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=== Post-Processing===
  
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====a) WebGUI part (PHP + JavaScript + HTML)====
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====A. WebGUI part (PHP + JavaScript + HTML)====
 
* Copying images before processing.
 
* Copying images before processing.
 
* Extracting GPS coordinates from images.
 
* Extracting GPS coordinates from images.
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|}
 
|}
  
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====b) ImageJ part (Java)====
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====B. ImageJ part (Java)====
 
* Applying pixel mapping information
 
* Applying pixel mapping information
 +
* Aberration correction
 
* Distortion correction
 
* Distortion correction
 
* Vignetting correction
 
* Vignetting correction
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==Links==
 
==Links==
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* [[Eyesis4Pi_data_structure|Data Structure]]
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* [[Elphel_Eyesis4Pi|Eyesis4Pi Main Article]]
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* [[Eyesis4Pi_Footage_Procedures_page|Footage Procedures]]
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* [[Eyesis4Pi_workflow|Workflow]]
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* [[Eyesis4pi_Post-Processing|Post-processing in ImageJ]]
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* [[Eyesis4Pi_User_Guide|User Guide - Recording]]
 +
* [[Eyesis4Pi_Footage_Procedures_page|User Guide - Post-Processing: Footage Procedures]]
 +
* [[Eyesis4pi_Post-Processing|User Guide - Post-processing: ImageJ]]
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* [[Eyesis4Pi_data_structure|Data Structure Description]]
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* [[Eyesis4Pi_Calibration|Calibration Process]]
  
 
<!--
 
<!--
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* '''<nowiki>http://127.0.0.1/scripts/convert_images_for_webgl.php?dir=<results_dir></nowiki>''' - rescale results using [http://www.imagemagick.org/script/index.php ImageMagick].
 
* '''<nowiki>http://127.0.0.1/scripts/convert_images_for_webgl.php?dir=<results_dir></nowiki>''' - rescale results using [http://www.imagemagick.org/script/index.php ImageMagick].
 
-->
 
-->
 +
[[Category:Eyesis4Pi]]
 +
[[Category:User Guide]]

Latest revision as of 12:20, 21 May 2018

Actual Workflow

Footage Acquisition

Step Description Time, min Comment
1 Mounting on a vehicle 15 We do not provide racks or backpacks yet
2 Power on and boot 1-2
3 Network setup 0-1 Needed only once. Kubuntu Network Configuration.
4 Accessing the WebGUI 0-1 The camera is controlled through a WebGUI
5 System tests 0-1 Optional
6 Waiting for GPS lock 0-10 Cold start can take up to 10 min
7 Setting up paths and shooting parameters 0-1 Initial settings can take longer time
8 Start recording -
9 Stop recording - Output:
  • Images in a JP4 format (a RAW format with a better quality than JPEG)
  • Binary log with the IMU,GPS and Internal Timestamp records.
10 Downloading GPS/IMU log 0-10 Download onto recording PC, depends on the file size.
11 Camera power off 0-1 Power off the switch, unplug cables
12 Taking the camera off the vehicle 10 If needed

Post-Processing

Step Description Time, min Program Comment
1 Copying footage from SSDs to the PC 10-30 Manual
2 Selecting images for post-processing - WebGUI - Panorama Previewer Optional, if not all the images are needed
3 Copying selected or all the images for post-processing 10-30 WebGUI - Footage Procedures
4 Post-processing in ImageJ 20-301 ImageJ Output: transformed according pixel map images ready for stitching and blending.

Procedures performed:

  • Applying pixel mapping information
  • Aberration correction
  • Distortion correction
  • Vignetting correction
  • Color correction
  • Denoising
  • Sharpening
5 Stitching and blending 2-51 WebGUI - Footage Procedures Output panoramas in equirectangular projection
6 Preparing panoramas for WebGL Viewer 2-51 WebGUI - Footage Procedures Optional

1- per single scene

GUIs Overview

WebGUI (recording)

  • PHP+JavaScript+HTML.
  • Installed on the laptop or PC used for recording.

More info...

Recording WebGUI, settings
Recording WebGUI, preview - test pattern


Post-Processing

A. WebGUI part (PHP + JavaScript + HTML)

  • Copying images before processing.
  • Extracting GPS coordinates from images.
  • Stitching (after ImageJ).
  • Formatting/resizing the results.

More info...

Footage procedures WebGUI

B. ImageJ part (Java)

  • Applying pixel mapping information
  • Aberration correction
  • Distortion correction
  • Vignetting correction
  • Color correction
  • Denoising
  • Sharpening

More info...

Eyesis corrections plugin interface

Links

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