empty commit

.gitea/workflows/build.yaml

@@ -26,7 +26,7 @@ jobs:
       - name: upload to pages
         run: |
           curl -X PUT --fail \
-            https://pages.ct.cozytren.ch/sti-presentation \
+            https://pages.ct.cozytren.ch/m1s2-eng-presentation \
             -T ./presentation.zip \
             -H "Content-Type: application/zip" \
             -H "Authorization: Pages ${{ secrets.GIT_PAGES_TOKEN }}"

README.md

@@ -0,0 +1,13 @@
+# EN-Presentation
+
+Uhhhhhh this is awkward - guess you can now see the "behind the scenes" of this *magnificent* presentation
+
+## Links
+
+- HTML: https://pages.ct.cozytren.ch/m1s2-eng-presentation
+- PDF: https://pages.ct.cozytren.ch/m1s2-eng-presentation/presentation.pdf
+
+## Toolchain
+- Marp ecosystem for markdown presentation rendering
+- MarpX for custom parsing logic + custom themes
+- Gitea actions auto render & upload pipeline

images/video.md

@@ -1,3 +0,0 @@
-original video: https://www.youtube.com/watch?v=1l0wKk6q_ss
-
-ffmpeg command to convert to gif: ffmpeg -ss START_TIME -to END_TIME -i input_video.mp4 -vf "fps=10,scale=320:-1:flags=lanczos" output.gif

presentation.md

@@ -1,14 +1,11 @@
 ---
-title: "Shifty: A Weight-Shifting Dynamic Passive Haptic Proxy
-to Enhance Object Perception in Virtual Reality"
+title: "Privacy by design: DIY Marp(X) AI presentations without sending data to third parties"
 author: R.Viton
-description: "Shifty: A Weight-Shifting Dynamic Passive Haptic Proxy
-to Enhance Object Perception in Virtual Reality"
+description: "Privacy by design: DIY Marp(X) AI presentations without sending data to third parties"
 keywords: []
 
-header: "Shifty: A Weight-Shifting Dynamic Passive Haptic Proxy
-to Enhance Object Perception in Virtual Reality"
-footer: "2026-05-26"
+header: "Privacy by design: DIY Marp(X) AI presentations without sending data to third parties"
+footer: "2026-06-24"
 
 marp: true
 theme: gödel
@@ -19,259 +16,195 @@ size: 16:9
 lang: de
 math: katex
 ---
+<style>
+    .inline-img {
+        display: flex;
+        align-items: center;
+        gap: .5rem;
+    }
+</style>
 
 <!-- _class: "title-academic" -->
 
-![bg left:35% 100%](https://placecats.com/500/900)
-
-<div class="title">Shifty: A Weight-Shifting Dynamic Passive Haptic Proxy
-to Enhance Object Perception in Virtual Reality</div>
-<div class="subtitle">Präsentation zum Paper von <i>A. Zenner</i> und <i>A. Krüger</i> (2017)</div>
-<div class="author">Romane Viton</div>
-<div class="date">2026-05-26</div>
-<div class="organization">DFI-STI, htw saar</div>
-
----
-# Fragerunde
-
-![bg right:35% 100%](https://placecats.com/500/900)
-
-* Wer hat schon VR getestet?
-* Wie immersiv war die Erfahrung?
-* Gab es haptisches Feedback?
-* Wenn ja: wie wurde das implementiert?
-
----
-# Was ist **haptisches Feedback** ?
-
-* Nutzer:innen bekommen eine **taktile Rückmeldung**
-* Kann **Immersion** weiter als "nur hören oder sehen" treiben
-* Informationen können sehr **unterschiedlich** sein (Vibration, Textur, Kraft, Wärme, ...)
-* Beispiel: <box>Erzeugung von **Kräften** zur Simulation von Gewichten und Längen
-
----
-# Nutzung der **Visual Dominance**
-* **Alle Sinne** tragen zur gelebten Erfahrung bei einer Simulation bei
-* Bei Konflikten hat die **Sicht** bei der Informationsverarbeitung **Vorrang** [TODO CITE]
-* Bedeutung für VR: <h3><box>Für eine realistische Wahrnehmung muss **nicht die gesamte Kraft** erzeugt <br> werden, sondern nur genug, um die **Sicht** zu **unterstützen**
-
----
-# **Hintergrund** des Papers
-* *Passive Haptic Feedback* (PHF): günstig und mobil, nicht sehr realistisch
-* *Active Haptic Feedback* (AHF): realistischer, weder günstig noch mobil
-* $\implies$ ***Dynamic Passive Haptic Feedback* (DPHF)** als Mittelweg testen ?
-* ### <box> 💡 Idee: Bewegung soll **kein direktes Feedback** sein, sondern den Controller so ändern, dass er **mehrere Gegenstände** darstellt
-
----
-# **Hintergrund** des Papers
-![center w:10000](./images/haptics-continuum.png)
-
----
-# **Shifty** als DPHF-Versuch
-
-### Ziel: Gewicht nach oben bzw. unten bringen, um mehr bzw. weniger Kraft zu brauchen, um gehoben zu werden
-
-&nbsp;
-
-<div class="multicolumn" align="center"><div>
-
-![](./images/shifty-schema.png)
-
-</div><div>
-
-Eigenschaft          | Wert
---------------------:|:-------------------
-Masse                | 440 g
-Internes Gewicht     | 127 g
-Länge                | 505 mm
-Diameter             | 40 mm
-Nutzer-Input-Methode | Push-Button
-Steuerungsmethode    | Arduino in Rucksack
-
-
-</div></div>
-
----
-<!-- _class: chapter  -->
-# Experiment 1
-## <br>Kann eine Simulation mit Shifty überhaupt funktionieren ? <br>(bzgl. **<box>Realismus**, **<box>Anstrengung** und **<box>Spaß**)
-
----
-# **Teilnehmer:innen** des Experiments
-
-<div align="center">
-
-### Eigenschaften der $N = 12$ Teilnehmenden (Experiment 1)
-
-Eigenschaft                         | Aufteilung
------------------------------------:|:---------------------------------------------------
-Geschlecht                          | 7 männlich, 5 weiblich
-Alter                               | Min: 21, Max: 37, Mittelwert: 28 Jahre
-Brillen/Kontaktlinsen in der Studie | 5 mit, 7 ohne
-Rechts- bzw. Linkshändige           | 9 Rechts-, 3 Linkshändige
-Erfahrung mit 3D-Spielen            | Min: 1, Max: 7, Mittelwert: 3,5 (Skala von 1 bis 7)
-Erfahrung mit VR                    | Min: 1, Max: 3, Mittelwert: 1,6 (Skala von 1 bis 7)
+![bg left:35% 250%](./images/title.jpg)
 
+<div class="title">Privacy by design: DIY Marp(X) AI presentations without sending data to third parties</div>
+<div class="subtitle">
+    ... and why you should use them too!
 </div>
+<div class="author">Romane Viton</div>
+<div class="date">2026-06-24</div>
+<div class="organization">DFI-203, htw saar</div>
 
 ---
-# Durchgeführte **Experimente**
-
-<div class="multicolumn"><div>
-
-## Umgebung
-- Teilnehmer:innen über Aufgaben informiert
-- Labor-Umgebung mit *HTC Vive* und Kopfhörern
-- Optische Überwachung des Verhaltens
-
-&nbsp;
-
-&nbsp;
-
-</div><div>
-
-![bg right:50% 100%](./images/rahmen.png)
-
-</div></div>
+# **Contents**
+1. Markdown / Writing presentations
+2. Collaboration
+3. Deploying / Keeping your data safe
+4. Integrating LLMs
+5. Evaluation / Tips
 
 ---
-# Experiment 1: **kontinuierliche Änderung der Länge bzw. Dicke**
-
-<div class="multicolumn"><div>
-
-![w:800](./images/length-change.png)
-
-</div><div>
-
-&nbsp;
-
-- Freie Bewegung innerhalb der Umgebung
-- Mit virtuellem Teleskop in der Hand
-- 1\. Phase mit Bewegung des Gewichts (DPHF)
-- 2\. Phase ohne Bewegung des Gewichts (PHF)
-- Reihenfolge der 1. und 2. Phase zufällig
-- <box>➕</box>- und <box>➖</box>-Props in der Umgebung,
-  um Länge und Dicke linear zu ändern
-
-</div></div>
+# A few **questions** first
+* Who here would consider themselves a **developer** ?
+* Experience with **code editors / IDEs** ?
+* **More comfortable** with editor than with other software ?
+* Does **text** just feel faster/more efficient at this point?
 
 ---
-<!-- _class: quote -->
-# Erwartungen der Autoren
+# <div class="inline-img"> ![w:100](./images/md.png) &nbsp; **Markdown**
+## (It's everywhere - you've most likely dealt with it at least once)
+```md
+# Main title
+## Heading 2 - You can make:
 
-"We expect *Shifty* to outperform [PHF] in the subjective measures **realism and fun**, but **not in exertion**."
-
-&nbsp;
-
-*Stimmt das aber wirklich?* 🤔
+- *italic text*
+- **bold text**
+- ~~strikethrough~~
+- lists
+- [links](http://example.com)
+- ![images](image_name_here)
+- > Quotes
+```
 
 ---
-# Experiment 1: **Ergebnisse**
-
-![center w:1000](./images/exp1results.png)
-
-<!-- In allen Fällen wurde DPHF besser als PHF bewertet, was die Erwartungen übertroffen hat. -->
-
-</center></div></div>
-
+# Why not write **presentations** as text ?
+## <div class="inline-img"> Introducing:&nbsp;![h:75](./images/marp.png) (Yuki Hattori)
+* Markdown presentation ecosystem
+* <span class="inline-img"> Comes as a ![h:75](./images/bash.png) command line tool or a ![h:75](./images/vscode.png) VSCode editor extension
+* Technically Just A Web Page:tm: $\implies$ can write HTML/CSS if you want to customize
+* MarpX (Paolo Cunha) offers high quality ready-to-use themes 
+* If you know Markdown/HTML/CSS: <box>No need to learn (yet another) tool!
 
 ---
-<!-- _class: chapter  -->
-# Experiment 2
-## <br>Das Gewicht bewegt sich aber langsam ! <br><br> Kann man trotzdem (realistisch) schwere Objekte heben ?
+# **Collaborating** with others / keeping track of **versions** ?
+> ## "Well surely the editor can't do ***that*** ", I hear you say
+* All the presentations are **text-based** versions of a file tree
+* We need a tool to maintain **versions** of a text-based file tree...
+* <span class="inline-img"> Ever heard of ![w:100](./images/git.png) `git`?
+* We already have a **tool** to collaborate on versions of text-based projects!
 
 ---
-# **Teilnehmer:innen** des Experiments
+# How do we make sure data is **safe** from big companies?
+- There *are* online platforms like GitHub for this (but: this defeats the whole purpose)
+- It's 2026, and servers are pretty cheap
+- You can set up your own infrastructure in an afternoon
+  - (less than 100 lines of `docker-compose.yml`)
+
+---
+# One step further: hosting services on your **own infrastructure**
+- I won't tell you how to set it up (plenty of guides online)
+- TL;DR: **<box>On pushing changes $\rightarrow$ Auto-Render and Upload**
+- Here are some tools I'm using for my personal setup:
 
 <center>
 
-### Eigenschaften der $N = 12$ Teilnehmenden (Experiment 2)
-
-Eigenschaft                         | Aufteilung
------------------------------------:|:---------------------------------------------------
-Geschlecht                          | 9 männlich, 3 weiblich
-Alter                               | Min: 21, Max: 37, Mittelwert: 27 Jahre
-Brillen/Kontaktlinsen in der Studie | 6 mit, 6 ohne
-Rechts- bzw. Linkshändige           | 10 Rechts-, 2 Linkshändige
-Erfahrung mit 3D-Spielen            | Mittelwert: 2,9 (Skala von 1 bis 7)
-Erfahrung mit VR                    | Min: 1, Max: 4, Mittelwert: 1,8 (Skala von 1 bis 7)
-
+Requirement | Possible tool
+-:|:-
+Server|Any VPS will do
+Simple software deployment|Docker
+HTTPS support|Caddy
+Git collaboration|Gitea
+Presentation hosting|Git-Pages
+Automated deployment|Gitea Actions
 </center>
 
 ---
-# Experiment 2: **Heben von virtuellen Objekten**
+# ...isn't this really **expensive**, though?
+* Not really!
+* Domain name: `~10 EUR/year`
+* 24/7 VPS (200GB Storage, 6 vCPUs, 12GB RAM): `6.72 EUR/month`
+  * Also hosting other services on it and not even at capacity
+  * I use Contabo, but Hetzner/OVH/Hostinger also work
+* *it's all yours, no need to worry about your data being accessed by third parties!*
+* Privacy does have a price, but so does exposing your personal data
+  * **<box>Which one are you willing to pay?**
+
+---
+# ...wasn't this supposed to **integrate LLMs** as well?
+* It can be done as well!
+* Head start when hosting models: `Ollama` (from Ollama Inc.)
+* Automatically handles the download and execution of open models locally
+* **<box>💡 Works when handling content, since everything is text-based !**
+* We can integrate this into our IDE of choice and never have to worry about our data being sent to anyone
+
+---
+# **Pros** and **cons** from experience
 
 <div class="multicolumn"><div>
 
-- Würfel verschiedener Größen sollen aus <br>einem Inventar genommen werden
-- Nach dem Greifen soll der Würfel in <br>die richtige Lage gebracht werden
-- Kombinationen von 6 Varianten werden <br>nach einer *Latin Square Approach* <br>von den Teilnehmenden verglichen
+## Pros
+- Enhanced privacy
+- Very flexible if you know webdev
+- No need to leave the traditional dev toolset
+- Open-Source community tools, no dependency on a specific company
+- Actually know what you're setting up
 
 </div><div>
 
-![center w:10000](./images/smoke_example.gif)
+## Cons
+- Steep learning curve
+- Hard to collaborate with non-technical people
+- Need to be comfortable with text-based tools
+- Theme can be limiting if not chosen correctly
 
 </div></div>
 
+---
+# **Tips**
+- (same as any AI augmented tool): <box>Don't blindly trust the output, but use it as an assistant
+- When using local models: try **different models** depending on your needs and hardware
+- Don't be afraid to **tinker** around and see what works
 
 ---
-# Experiment 2: **Heben von virtuellen Objekten**
-<center>
-
-### Von den Teilnehmenden getestete Varianten
-
-Getestete Variante | 🖐️  |      👁️       |    👂
-------------------:|:----:|:--------------:|:-------:
-`Base`             | PHF  |      :x:       |   :x:
-`Hapt`             | DPHF |      :x:       |   :x:
-`Prog`             | DPHF | *Progress Bar* | *Whoosh*
-`Scal`             | DPHF |  *Skalierung*  | *Whoosh*
-`Trans`            | DPHF | *Transparenz*  | *Whoosh*
-`Mask`             | DPHF |    *Rauch*     | *Whoosh*
-
-</center>
-
----
-## TODO rest of content
+# **Conclusion**
+* Presentation software / AI often feels "out of reach" and only hostable if you're a company and have the resources for it
+* It doesn't have to be that way!
+* Don't contribute to that narrative $\implies$ <box>De-mystify the topic!
+* *Your* data belongs to *you*; own it!
 
 ---
 <!-- _class: "references" -->
-# Quellen
-
-<div class="multicolumn"><div>
-
-1. MAIN PAPER TODO
-2. https://wwwx.cs.unc.edu/Research/hyre/papers/EVEAuthored/2005-VR-Burns.pdf (Visual Dominance)
-3. https://www.researchgate.net/profile/Abdulaziz-Alshaer/publication/303790509_Investigating_visual_dominance_with_a_virtual_driving_task/links/575275a608ae02ac1277b8e7/Investigating-visual-dominance-with-a-virtual-driving-task.pdf (Visual Dominance with wheelchairs)
-4. https://www.youtube.com/watch?v=1l0wKk6q_ss (Demo Video from researchers)
-
-</div><div>
-
-TODO move references on 2 cols to improve readability
-
-</div></div>
-
-
+# References
+- [Marp Team, "Marp" (2026) (accessed 2026-06-23)](https://marp.app)
+- [Paulo Cunha, "MarpX" (2026) (accessed 2026-06-23)](https://github.com/cunhapaulo/MarpX)
+- [Ollama Inc., "Ollama" (2026) (accessed 2026-06-23)](https://ollama.com)
+- [CommitGo Inc., "Gitea Official website" (2026) (accessed 2026-06-23)](https://about.gitea.com/)
+- (image) https://www.pexels.com/photo/smiling-woman-doing-a-presentation-6476778/ (accessed 2026-06-23)
 
 ---
-# MarpX-Präsentation online verfügbar
+# **This presentation** was done with MarpX too!
 
 <div class="multicolumn"><div align="center">
 
 ## PDF
 
-[![](./images/pdf_qrcode.png)](https://pages.ct.cozytren.ch/sti-presentation/presentation.pdf)
+[![](./images/pdf_qrcode.png)](https://pages.ct.cozytren.ch/m1s2-eng-presentation/presentation.pdf)
 
 </div><div align="center">
 
 ## HTML
 
-[![](./images/html_qrcode.png)](https://pages.ct.cozytren.ch/sti-presentation)
+[![](./images/html_qrcode.png)](https://pages.ct.cozytren.ch/m1s2-eng-presentation)
 
 </div><div align="center">
 
 ## Repository
 
-[![](./images/repo_qrcode.png)](https://gitea.ct.cozytren.ch/romane/sti-presentation)
+[![](./images/repo_qrcode.png)](https://gitea.ct.cozytren.ch/romane/m1s2-eng-presentation)
 
-</div></div>
+</div></div>
+
+```bash
+wget https://pages.ct.cozytren.ch/m1s2-eng-presentation/presentation.pdf
+git clone https://gitea.ct.cozytren.ch/romane/m1s2-eng-presentation
+
+```
+
+---
+# GenAI use disclosure
+(slide was appended after the presentation as per class instructions)
+
+- `qwen3-coder:30b`, hosted locally using Ollama, has been used
+- No use was made when generating the content
+- The model has been used while proofreading the presentation for formatting and spelling issues but hasn't changed the content in any meaningful way