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2 changes: 2 additions & 0 deletions _posts/2022-01-07-gopro-fusion-fisheye-stitching-part-4.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-01-07/front-equirectangular-blend-annotated-meta
featured_image: /assets/images/blog/2022-01-07/front-equirectangular-blend-annotated-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/gopro-fusion-fisheye-stitching-part-4
---

**Taking what we've learned over the last 3 weeks and putting it all together to create a script to convert 2 GoPro Fusion fisheye to one equirectangular image.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-01-14/GPAA1088-watermark-65transp-meta.jpg
featured_image: /assets/images/blog/2022-01-14/GPAA1088-watermark-65transp-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/adding-a-custom-watermark-to-hero-photo-video
---

**Automate the process of adding a custom branded watermark to all your timelapse photos using Imagemagick**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-01-21/adobe-premier-video.png
featured_image: /assets/images/blog/2022-01-21/adobe-premier-video-sm.png
layout: post
published: true
redirect_from:
- /blog/2022/turn-360-photos-into-360-video-adobe-premiere
---

**A less technical way to create timelapse videos with spherical metadata. No command line in sight (but you will need an Adobe Premiere subscription).**
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2 changes: 2 additions & 0 deletions _posts/2022-01-28-gopro-camera-modes-metadata-tests.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-01-28/trekview-guide-test-cases.png
featured_image: /assets/images/blog/2022-01-28/trekview-guide-test-cases-sm.png
layout: post
published: true
redirect_from:
- /blog/2022/gopro-camera-modes-metadata-tests
---

**What we've learned whilst building a library of GoPro camera test cases for Explorer.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-02-04/gopro-timewarp-reference-meta.jpg
featured_image: /assets/images/blog/2022-02-04/gopro-timewarp-reference-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/turn-gopro-timewarp-video-into-timelapse-images
---

**TimeWarp videos are perfect for creating beautiful TimeLapses, but pose some unique challenges when trying to split them into individual frames.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-02-11/gps-speed-3d-2d-haversine-meta.jpg
featured_image: /assets/images/blog/2022-02-11/gps-speed-3d-2d-haversine.jpg
layout: post
published: true
redirect_from:
- /blog/2022/choosing-right-frame-extraction-rate-ffmpeg
---

**How we optimised the process of turning a video into frames to create virtual tours in Explorer using speed as a variable.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-02-18/helmet-trek-pack.jpg
featured_image: /assets/images/blog/2022-02-18/helmet-trek-pack-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/keeping-gopro-max-warm-extend-battery-life
---

**If you've ever tried using electronics in very cold weather you might have observed your battery draining quickly.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-02-25/youtube-gopro-nadir-meta.png
featured_image: /assets/images/blog/2022-02-25/youtube-gopro-nadir-sm.png
layout: post
published: true
redirect_from:
- /blog/2022/overlay-nadir-watermark-video-using-ffmpeg
---

**Add your logo to the nadir of an equirectangular video or as a watermark to HERO videos.**
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2 changes: 2 additions & 0 deletions _posts/2022-03-04-latitude-longitude-standard.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-03-04/map-pin-ocean-meta.png
featured_image: /assets/images/blog/2022-03-04/map-pin-ocean-sm.png
layout: post
published: true
redirect_from:
- /blog/2022/latitude-longitude-standard
---

**One of the biggest pains of working with geospatial software is determining the way each presents latitude and longitude... or is that longitude and latitude?**
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2 changes: 2 additions & 0 deletions _posts/2022-03-11-ffmpeg-video-to-frame-cheat-sheet.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-03-11/ffmpeg-virtual-tour-cheat-sheet-meta.jpg
featured_image: /assets/images/blog/2022-03-11/ffmpeg-virtual-tour-cheat-sheet-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/ffmpeg-video-to-frame-cheat-sheet
---

**A guide that shows some of the commands we use most for processing 360 virtual tour videos.**
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2 changes: 2 additions & 0 deletions _posts/2022-03-18-using-ffmpeg-process-gopro-max-360.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-03-18/ffmpeg-eac-360-console-meta.jpg
featured_image: /assets/images/blog/2022-03-18/ffmpeg-eac-360-console-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/using-ffmpeg-process-gopro-max-360
---

**In our continued effort to avoid reliance on GoPro software, I look at how ffmpeg can be used to process GoPro EAC projected videos (.360's) to equirectangular projections.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-03-25/vallee-blanche-360-meta.JPG
featured_image: /assets/images/blog/2022-03-25/vallee-blanche-360-sm.JPG
layout: post
published: true
redirect_from:
- /blog/2022/creating-360-street-level-maps-europe-ski-resorts-part-1
---

**And a brief update on using the GoPro MAX cold weather setup.**
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2 changes: 2 additions & 0 deletions _posts/2022-04-01-gopro-telemetry-exporter-getting-started.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-04-01/gopro-telemetry-overlay.jpeg
featured_image: /assets/images/blog/2022-04-01/gopro-telemetry-overlay-sm.jpeg
layout: post
published: true
redirect_from:
- /blog/2022/gopro-telemetry-exporter-getting-started
---

**A more comprehensive alternative to exiftool when working with GPMD.**
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2 changes: 2 additions & 0 deletions _posts/2022-04-07-evolution-of-gopro-camera-sensors-gpmf.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-04-08/GOPRO_MAX_Teardown-meta.jpg
featured_image: /assets/images/blog/2022-04-08/GOPRO_MAX_Teardown-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/evolution-of-gopro-camera-sensors-gpmf
---

**And the data they produce in the GPMF stream.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-04-15/dual-fisheye-fusion-meta.jpg
featured_image: /assets/images/blog/2022-04-15/dual-fisheye-fusion-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/using-ffmpeg-process-gopro-fusion-fisheye
---

**In our continued effort to avoid reliance on GoPro software, I look at how ffmpeg can be used to process the GoPro Fusion's Dual Fisheyes videos to a single equirectangular video.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-04-22/gopro-hero5-black-time-lapse-settings-meta
featured_image: /assets/images/blog/2022-04-22/gopro-hero5-black-time-lapse-settings-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/turn-gopro-timelapse-video-into-timelapse-images
---

**TimeLapse video mode is perfect for creating beautiful TimeLapses, but poses some unique challenges when trying to split them into individual frames.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-04-29/merge-gopro-chaptered-videos-meta.jpg
featured_image: /assets/images/blog/2022-04-29/merge-gopro-chaptered-videos-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/join-gopro-chaptered-split-video-files-preserve-telemetry
---

**Use ffmpeg to create full length GoPro footage which retains full GPS information.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-05-06/gopro-map-overlay-meta.jpg
featured_image: /assets/images/blog/2022-05-06/gopro-map-overlay-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/overlay-gopro-telemetry-data-as-map-in-video
---

**Put a map inside your GoPro video showing exactly where is was shot.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-05-13/streetview-rawgpstimeline-meta.jpg
featured_image: /assets/images/blog/2022-05-13/streetview-rawgpstimeline-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/create-google-street-view-video-publish-api
---

**Using ffmpeg to create a video file with accompanying GPS telemetry.**
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2 changes: 2 additions & 0 deletions _posts/2022-05-20-adjusting-yaw-equirectangular-images.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-05-20/heading-video-map-meta.jpg
featured_image: /assets/images/blog/2022-05-20/heading-video-map-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/adjusting-yaw-equirectangular-images
---

**Ensure your 360 photos are loaded in 360 viewers facing the same direction as they were shot.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-05-27/gopro-cori-telemetry-example-meta.jpg
featured_image: /assets/images/blog/2022-05-27/gopro-cori-telemetry-example-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/calculating-heading-of-gopro-video-using-gpmf-part-1
---

**Understand the telemetry needed to ensure your 360 videos are loaded in 360 players facing the same direction as they were shot.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-06-03/GSAN2363-bad-yaw-meta.JPG
featured_image: /assets/images/blog/2022-06-03/GSAN2363-bad-yaw-sm.JPG
layout: post
published: true
redirect_from:
- /blog/2022/calculating-heading-of-gopro-video-using-gpmf-part-2
---

**Converting GoPro telemetry into magnetic heading values to ensure videos are shown in 360 players facing the same direction as they were shot.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-06-10/gopro-rpy-meta.jpg
featured_image: /assets/images/blog/2022-06-10/gopro-rpy-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/calculating-heading-of-gopro-video-using-gpmf-part-3
---

**Using calculated heading values to ensure videos are shown in 360 players facing the same direction as they were shot.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-06-17/gopro-max-roll-examples-roll-front-meta.jp
featured_image: /assets/images/blog/2022-06-17/gopro-max-roll-examples-roll-front-meta.jpg
layout: post
published: true
redirect_from:
- /blog/2022/roll-pitch-level-of-gopro-video-using-gpmf
---

**A proof-of-concept to dynamically adjust for camera roll and pitch in equirectangular videos.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-06-24/GSAQ3296-annotatedpose-meta.jpg
featured_image: /assets/images/blog/2022-06-24/GSAQ3296-annotatedpose-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/using-gpano-gspherical-metadata-adjust-roll-pitch-heading
---

**In this post I will show you how to use these tags to ensure your equirectangular images and videos are loaded correctly in viewers.**
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2 changes: 2 additions & 0 deletions _posts/2022-07-01-roll-level-of-gopro-photo-no-gpmd-part-1.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-07-01/GS018421_000003-meta.jpg
featured_image: /assets/images/blog/2022-07-01/GS018421_000003-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/roll-level-of-gopro-photo-no-gpmd-part-1
---

**Analysing what camera roll looks like in equirectangular photos and how to account for it.**
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2 changes: 2 additions & 0 deletions _posts/2022-07-08-roll-level-of-gopro-photo-no-gpmd-part-2.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-07-07/roll-plus-70-meta.jpg
featured_image: /assets/images/blog/2022-07-07/roll-plus-70-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/roll-level-of-gopro-photo-no-gpmd-part-2
---

**Understanding the geometry of an equirectangular image and training a computer to detect the horizon.**
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2 changes: 2 additions & 0 deletions _posts/2022-07-15-roll-level-of-gopro-photo-no-gpmd-part-3.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-07-01/GS018421_000003-meta.jpg
featured_image: /assets/images/blog/2022-07-01/GS018421_000003-sm.jpg
layout: post
published: false
redirect_from:
- /blog/2022/roll-level-of-gopro-photo-no-gpmd-part-3
---

The easiest way to to train a computer is using real (and labelled) training data.
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2 changes: 2 additions & 0 deletions _posts/2022-07-22-turn-photo-video-footage-strava-activty.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-07-22/strava-upload-file-meta.jpg
featured_image: /assets/images/blog/2022-07-22/strava-upload-file-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/turn-photo-video-footage-strava-activty
---

**Use the telemetry captured by your camera to automatically create and upload an activity to Strava.**
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2 changes: 2 additions & 0 deletions _posts/2022-07-29-historic-weather-data-lookup.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-07-29/weatherstack-api-response-meta.jpg
featured_image: /assets/images/blog/2022-07-29/weatherstack-api-response-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/historic-weather-data-lookup
---

**In this post I will show you how to find the weather conditions at the time and location a photo was taken.**
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2 changes: 2 additions & 0 deletions _posts/2022-08-05-historic-air-quality-lookup.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-08-05/openweather-aqi-api-meta.jpg
featured_image: /assets/images/blog/2022-08-05/openweather-aqi-api-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/historic-air-quality-lookup
---

**In this post I will show you how to find the air quality at the time and location a photo was taken.**
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2 changes: 2 additions & 0 deletions _posts/2022-08-12-open-letter-mapillary-update-api-docs.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-08-12/mapillary-web-api-requests-meta.jpg
featured_image: /assets/images/blog/2022-08-12/mapillary-web-api-requests-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/open-letter-mapillary-update-api-docs
---

**In this post I will go through some of the challenges (mainly though lack of documentation) with the v4 Mapillary API we experienced when building Explorer.**
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2 changes: 2 additions & 0 deletions _posts/2022-08-19-debugging-uploads-google-streetview-api.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-08-19/streetview-api-docs-meta.jpg
featured_image: /assets/images/blog/2022-08-19/streetview-api-docs-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/debugging-uploads-google-streetview-api
---

**Uploading videos is relatively straight forward, but here are some of the things we've learned the hard way (and you should be aware of).**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-08-26/GSAA4862-meta.jpg
featured_image: /assets/images/blog/2022-08-26/GSAA4862-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/create-thumbnail-from-equirectangular-image
---

**In this post I will show you two approaches you can use to create thumbnails from any part of an equirectangular image.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-09-09/gmpf-telemetry-ffprobe-meta.jpg
featured_image: /assets/images/blog/2022-09-09/gmpf-telemetry-ffprobe-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/injecting-camm-gpmd-telemetry-videos-part-1-introduction
---

**In this post I will explain why we, finally, have decided to figure out how to write geo-telemetry into video files created using ffmpeg.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-09-23/mp4-root-level-boxes-meta.jpeg
featured_image: /assets/images/blog/2022-09-23/mp4-root-level-boxes.jpeg
layout: post
published: true
redirect_from:
- /blog/2022/injecting-camm-gpmd-telemetry-videos-part-2-mp4-overview
---

**In this post I will introduce the structure of an mp4 file and describe how players use this structure to decode the its contents.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-10-07/moov-atom-structure-meta.jpg
featured_image: /assets/images/blog/2022-10-07/moov-atom-structure-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/injecting-camm-gpmd-telemetry-videos-part-3-mp4-structure-telemetry-trak
---

**In this post I will focus on the structure of trak boxes in mp4 with of a focus on using them to describe video telemetry.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-10-21/writting-camm-6-telemetry-meta.jpg
featured_image: /assets/images/blog/2022-10-21/writting-camm-6-telemetry-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/injecting-camm-gpmd-telemetry-videos-part-4-camm
---

**In this post I will take what we learned in the last post and use it to write some telemetry into a video.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-11-04/gopro-gpmf-structure-meta.jpg
featured_image: /assets/images/blog/2022-11-04/gopro-gpmf-structure-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/injecting-camm-gpmf-telemetry-videos-part-5-gpmf
---

**In this post I will the structure of GoPro's GPMF standard, how to create a GPMF binary and accompanying metadata, and finally how to inject it into a mp4 video file.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-11-25/telemetry-injector-meta.jpg
featured_image: /assets/images/blog/2022-11-25/telemetry-injector-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/injecting-camm-gpmd-telemetry-videos-part-6-telemetry-injector
---

**In this post I will show you a proof of concept that can be used to turn a series of geo-tagged images into a video with a CAMM or GPMD telemetry track.**
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2 changes: 2 additions & 0 deletions _posts/2022-12-09-state-of-the-map-2022.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2022-12-09/sotm_2022-meta.jpg
featured_image: /assets/images/blog/2022-12-09/sotm_2022-sm.jpg
layout: post
published: true
redirect_from:
- /blog/2022/state-of-the-map-2022
---

**Navigation for prams, GPS accuracy of cameras, pedestrian and bike infrastructure, entry-level mapping, and a 360 street-level imagery project in Belgium.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2023-01-06/tignes-street-level-view.png
featured_image: /assets/images/blog/2023-01-06/tignes-street-level-view.png
layout: post
published: true
redirect_from:
- /blog/2023/creating-360-street-level-maps-europe-ski-resorts-part-2
---

**I look back at my imagery from last season and show how you can do the same this year.**
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2023-01-20/trek-view-Street-View-Studio.png
featured_image: /assets/images/blog/2023-01-20/trek-view-Street-View-Studio.png
layout: post
published: true
redirect_from:
- /blog/2023/google-street-view-studio-versus-mapillary-desktop-uploader
---

**In this post I will compare how the two products stack up with the aim of using the best bits of both to build our own 360 video uploader.**
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2 changes: 2 additions & 0 deletions _posts/2023-02-03-360-video-stabilisation-basic-part-1.md
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Expand Up @@ -9,6 +9,8 @@ image: /assets/images/blog/2023-02-03/hybrid-3d-2d-stabilization.jpeg
featured_image: /assets/images/blog/2023-02-03/hybrid-3d-2d-stabilization.jpeg
layout: post
published: true
redirect_from:
- /blog/2023/video-stabilisation-basic-part-1
---

**In this post I will share my initial research into the field of video stabilisation (as a layperson).**
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