Search Results for author: Francesco Caliva

Found 7 papers, 2 papers with code

Self-supervised speech representation learning for keyword-spotting with light-weight transformers

no code implementations7 Mar 2023 Chenyang Gao, Yue Gu, Francesco Caliva, Yuzong Liu

Self-supervised speech representation learning (S3RL) is revolutionizing the way we leverage the ever-growing availability of data.

Keyword Spotting Representation Learning

Fixed-point quantization aware training for on-device keyword-spotting

no code implementations4 Mar 2023 Sashank Macha, Om Oza, Alex Escott, Francesco Caliva, Robbie Armitano, Santosh Kumar Cheekatmalla, Sree Hari Krishnan Parthasarathi, Yuzong Liu

Furthermore, on an in-house KWS dataset, we show that our 8-bit FXP-QAT models have a 4-6% improvement in relative false discovery rate at fixed false reject rate compared to full precision FLP models.

Keyword Spotting Quantization

Hierarchical Severity Staging of Anterior Cruciate Ligament Injuries using Deep Learning with MRI Images

no code implementations20 Mar 2020 Nikan K. Namiri, Io Flament, Bruno Astuto, Rutwik Shah, Radhika Tibrewala, Francesco Caliva, Thomas M. Link, Valentina Pedoia, Sharmila Majumdar

Results: The overall accuracy and weighted Cohen's kappa reported for ACL injury classification were higher using the 2D CNN (accuracy: 92% (233/254) and kappa: 0. 83) than the 3D CNN (accuracy: 89% (225/254) and kappa: 0. 83) (P = . 27).

General Classification Lesion Classification +1

Distance Map Loss Penalty Term for Semantic Segmentation

no code implementations10 Aug 2019 Francesco Caliva, Claudia Iriondo, Alejandro Morales Martinez, Sharmila Majumdar, Valentina Pedoia

We propose to use distance maps, derived from ground truth masks, to create a penalty term, guiding the network's focus towards hard-to-segment boundary regions.

Segmentation Semantic Segmentation

Deep Bayesian Self-Training

1 code implementation26 Nov 2018 Fabio De Sousa Ribeiro, Francesco Caliva, Mark Swainson, Kjartan Gudmundsson, Georgios Leontidis, Stefanos Kollias

Supervised Deep Learning has been highly successful in recent years, achieving state-of-the-art results in most tasks.

Clustering Variational Inference

Towards a Deep Unified Framework for Nuclear Reactor Perturbation Analysis

no code implementations26 Jul 2018 Fabio De Sousa Ribeiro, Francesco Caliva, Dionysios Chionis, Abdelhamid Dokhane, Antonios Mylonakis, Christophe Demaziere, Georgios Leontidis, Stefanos Kollias

512 dimensional representations were extracted from the 3D-CNN and LSTM architectures, and used as input to a fused multi-sigmoid classification layer to recognise the perturbation type.

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