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drafts/2020-01-01-coding/index.md

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+title = "Coding Examples"
+date = 2022-03-01
+authors = ["Aron Petau"]
+description = "A selection of coding projects from my Bachelor's in Cognitive Science"
+
+gallery:
+  - url: /assets/images/sample_lr.png
+    image_path: /assets/images/sample_lr.png
+    title: "A low-resolution sample"
+  - url: /assets/images/sample_hr.png
+    image_path: /assets/images/sample_hr.png
+    alt: ""
+    title: "A high-resolution sample. This is also called 'ground truth' "
+  - url: /assets/images/sample_sr.png
+    image_path: /assets/images/sample_sr.png
+    alt: " "
+    title: "The artificially enlarged image patch resulting from the algorithm"
+  - url: /assets/images/sample_loss.png
+    image_path: /assets/images/sample_loss.png
+    alt: ""
+    title: "A graph showing an exemplary loss function applied during training"
+  - url: /assets/images/sample_cos_sim.png
+    image_path: /assets/images/sample_cos_sim.png
+    alt: ""
+    title: "One qualitative measurement we used was pixel-wise cosine similarity. It is used to measure how similar the output and the ground truth images are"
+
+[taxonomies]
+tags = [
+  "AI",
+  "CNN",
+  "GOFAI",
+  "MTCNN",
+  "computer vision",
+  "ethics",
+  "face detection",
+  "google colab",
+  "jupyter notebook",
+  "keras",
+  "machine learning",
+  "neural nets",
+  "object recognition",
+  "python",
+  "super resolution",
+  "tensorflow",
+  "university of osnabrück"
+]
+
+[extra]
+banner =  "/images/sample_lr.png"
+show_copyright = true
+show_shares = true
++++
+
+## Neural Networks and Computer Vision
+
+## A selection of coding projects
+
+Although pure coding and debugging are often not a passion of mine, I recognize the importance of neural networks and other recent developments in Computer Vision. From several projects regarding AI and Machine Learning that I co-authored during my Bachelor Program, I picked this one since I think it is well documented and explains on a step-by-step basis what we do there.
+
+### Image Super-Resolution using Convolutional Neural Networks (Recreation of a 2016 Paper)
+
+Image Super-Resolution is a hugely important topic in Computer Vision. If it works sufficiently advanced, we could take all our screenshots and selfies and cat pictures from the 2006 facebook-era and even from before and scale them up to suit modern 4K needs.
+
+Just to give an example of what is possible in 2020, just 4 years after the paper here, have a look at this video from 1902:
+{% include video id="EQs5VxNPhzk" provider="youtube" %}
+
+The 2016 paper we had a look at is much more modest: it tries to upscale only a single Image, but historically, it was one of the first to achieve computing times sufficiently small to make such realtime-video-upscaling as visible in the Video (from 2020) or of the likes that Nvidia uses nowadays to upscale Videogames.
+
+{% include gallery caption="Example of a Super-Resolution Image. The Neural network is artificially adding Pixels so that we can finally put our measly selfie on a billboard poster and not be appalled by our deformed-and-pixelated-through-technology face." %}
+
+[The Python notebook for Image super-resolution in Colab]( https://colab.research.google.com/drive/1RlgIKJmX8Omz9CTktX7cdIV_BwarUFpv?usp=sharing){: .btn .btn--large}
+
+### MTCNN (Application and Comparison of a 2016 Paper)
+
+Here, you can also have a look at another, much smaller project, where we rebuilt a rather classical Machine learning approach for face detection. Here, we use preexisting libraries to demonstrate the difference in efficacy of approaches, showing that Multi-task Cascaded Convolutional Networks (MTCNN) was one of the best-performing approaches in 2016. Since I invested much more love and work into the above project, I would prefer for you to check that one out, in case two projects are too much.
+
+ [Face detection using a classical AI Approach (Recreation of a 2016 Paper)](https://colab.research.google.com/drive/1uNGsVZ0Q42JRNa3BuI4W-JNJHaXD26bu?usp=sharing){: .btn .btn--large}