Jirka Balhar

Hi, welcome to my collection of projects and experiments.

Contact

Email: balhar.j@gmail.com
Github: github.com/kukas

Work

2023-2024 NLP Research Assistant at ÚFAL
2022-2024 BALservis: repairing broken electronics for fun
2020 summer - research scientist internship at Spotify
2020 nonprocedural programming class at Faculty of Mathematics and Physics, Charles University
2018 programming at Oplatai for Omilia Ltd working on Far-field ASR, Speaker Diarization
2017 programming class (4th-6th grade) at SCIO Škola
2016-2018 web development at sfactory.cz
2014 hybrid app and web development at pixelfield.cz

Freelance web development

2017 Pavel Havlík - Advokát
2017 EAMT2017 + TLT16
2016 VALLEX 3.0 - online version of the valency lexicon of czech verbs
2015 Beltfilm
2015 Pivovar Chříč
2014 Kaple Příbraz
2014 Bytové družstvo Nepomuk
2014 Anita Jirovská
2014 Symposion 2014 GJK
2013 Symposion 2013 GJK
2013 Blootones
2012 DepLing 2013

Projects

2022-2024 Bazoš.cz dataset and scraper (collecting data since May 2022)
2023 Word Alignment Visualization is a Python package for easy visualization of word alignment between two parallel sentences.
2023 Master thesis on Multilingual Tokenization
2022-2023 ~~Master thesis on Czech Natural Language Generation~~ switched topics!
2021/22 Human-in-the-loop methods for Hatespeech detection semester project at Technische Universität München
2021 custom hardware device (winner buzzer) + remote administration app for a marketing company
2019 FB Messages Search Vue.js application for viewing and searching your Facebook chat threads
2019 Bachelor thesis on Melody Extraction using Deep learning - Code Repository. Awarded the The Dean's Prize for the Best Bachelor Thesis of 2019.
2019 Melody Extraction Submission in MIREX 2019 see the extended abstract
2018 Automatic music transcription - Deep learning experiments in Tensorflow
2018 Constant-Q transform - Haskell semestral project
2017 48Knobs - custom MIDI controller
2017 Melody extraction - semestral project
2017 Travel with poetry - Android App developed in 36 hours at hackprague.com competition
2017 Bridge builder - physics simulation - semestral project (C#)
2017 Spectrogram - FFT audio analysis - semestral project (C++)
2016 Smart juggling - smart juggling balls with a gyroscope and accelerometer
2016 S-hull algorithm javascript implementation - homework
2016 Space Shooter - semestral project
2015 Lightbeats - juggling ball tracking in real time
Ludum Dare - creating games in a single weekend - link to our profile

2011-2013 Město (abandoned project)

Fun

2024 Solum Newton M3 – teardown and firmware dump
2024 All tone combinations (chords) in one octave - code
2024 Gaining a full admin shell on a ZyXEL gateway
2024 Identifying fake op-amps by decapsulation
2024 Debloating a phone filled with Chinese software - Hisense A9
2024 How to use Raspberry Pi Camera on Archlinux ARM using libcamera instead of raspivid/raspistill
2023 Flashing an alternative opensource firmware OpenBeken to a smart home device (LED strip dimmer by Tuya)
2023 Hacking E-Ink price tag
2022 miscellaneous hardware hacks and repairs on my instagram
2022 custom smart home thermostat for our floor heating system
2022 Pexeso - memory game (together with Ester)
2022 Hacking IKEA Floalt smart light
2014-2020 few tunes from when I was playing around with Ableton and Korg Kaossilator
2019 exponential_growth - small experimental toy based on cellular automata made at GDS2019 Jam
2018 blue noise generator
2017 n-ary Huffman encoding in Python 3 + visual output for testing input
2017 boids
2017 find the heart - a small smartphone game for the sight-impaired
2014 Moiré pattern demonstration
2014 trail paint
2014 short, experimental game "Russian roulette"
2014 photo "triangulizer"
2014 comic-styled cloud toy
2014 magnetic pendulum simulator
2013 school project
2013 fractal
2013 ASCII Landscape
2013 1D perspective
2013 noise
2012 Just Shooter
2011 canvas Červi
2010 barvy.html
2007 my very first game (Windows)