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Dmitro B.

Sleeping face
Dmitro hasn't visited the service for a long time..
But Freelancehunt also employs 2909 freelancers in the category Python, who will professionally and on time complete a project of any complexity.

Ukraine Kyiv, Ukraine
1 year ago
Temporarily not working temporarily not working
registered for 3 years

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231

Skills


Administration

Portfolio


  • Spectrogram analyzer

    Python
    Developed spectrgram analyzer which could recognize some emotion in the audio from which the spectrogram was extracted. Best performance is f1-score ~0.95 for 7-class classification task. Also pretrained model could be used for different tasks like gender classification by audio, birds signing classification etc.
  • Semantic analyzer and emotional coloring

    Python
    Developed classification model which could recognize an emotional coloring of text using semantic analyzer. The model was trained and tested on the IMDB dataset, best performance results are accuracy score ~0.9 for 2-class classification task by word2vec embeddings and simple RNN.

    Technologies used: Word2Vec, RNN, tf-idf, pandas.
  • Health insurance cross-sell prediction

    Python
    The classification task to predict cross-sell of insurance for current clients. Developed using eponymous Kaggle dataset. The best performance was accuracy score 0.88 in 2-class classificaton. It was achieved by a logistic regression.
    Also created API for using developed model in production.

    Technologies used: Logistic Regression, t-SNE, Pandas, Flask, Docker.
  • The Emotion

    Python
    Developed a chat-bot that could recognize 7 kinds of emotions in a voice message/audio in Telegram.

    Technologies used: CNN, Telegram bot API, booksa, Heroku.

Activity

  Recent proposals 2
Распознавание текста (vin номер авто) с jpeg
741 USD
Нужен python developer
382 USD