Raphaël Graille Email & Phone Number

Ville De Paris, Île-de-France, France

Paris, France

• Lead Data Scientist for the Bic Squad Shaver, a connected shaver developped in colaboration with Bic and presented at CES 2020 in Las Vegas:
• Determination with Bic of relevant features to detect from sensors data, such as strokes, rinsing, face part and direction of the strokes…
• Conception and management of all the data collection process.
• Developement of deep learning models with Tensorflow for segmentation and classification of the specified features.
• Conception and development of the whole data pipeline: dataset analysis with Pandas, storage (aws s3 and mongo), inference with Tensorflow Serving and visualisation in a dashboard with Plotly and DashCreation of a.
• Emphasis on efficiency, modularity and good coding practices

Ville De Paris, Île-de-France, France

• Keyword spotting using deep learning for the the voice-activated speaker Triby:
• First third-party device to include Amazon's Alexa digital voice assistant
• Development, training and evaluation of various neural networks architectures (mobile net, ResNet, LTS...)
• Achievement of the Amazon certification for the Triby speaker (FA criteria for Alexa < 2 FA /24h)Real time detection of mean of locomotion in edge computing in the invoxia gps tracker using accelerometer signals:
• Used transfer learning, sampling technics and augmentation to overcome small and imbalanced dataset issues
• Development of small and efficient deep learning models with Tensorflow to perform real time inference on the GPS tracker low power CPU

• Speech denoising using deep learning
• Creation of a dataset of 100 hours of noisiy and clean speech
• Development, training and evaluation of different DNN models (CNN, LSTM, GAN …) and data pre processing methods (temporal, FFT, mel scale …)

Master'S Degree, Artificial Intelligence

Main courses: Deep Learning, Audio Signal Processing, Computer Vision, Advanced Computer Graphics, Stochastic process, Research Projects.

Diplôme D'Ingénieur, Ingénierie Informatique

Mathematics: Advanced Statistics, Information Theory, Discrete and Continuous Optimisation, Signal Processing, Computer Vision, Numerical.

College/University Preparatory And Advanced High School/Secondary Diploma Program

2-year intensive program in Mathematics and Physics preparing for the highly competitive entrance exams to the French Grandes Ecoles