Search Results for author: Fábio Perez

Found 7 papers, 4 papers with code

Evaluating GPT-3.5 and GPT-4 on Grammatical Error Correction for Brazilian Portuguese

no code implementations27 Jun 2023 Maria Carolina Penteado, Fábio Perez

We investigate the effectiveness of GPT-3. 5 and GPT-4, two large language models, as Grammatical Error Correction (GEC) tools for Brazilian Portuguese and compare their performance against Microsoft Word and Google Docs.

Grammatical Error Correction

Ignore Previous Prompt: Attack Techniques For Language Models

1 code implementation17 Nov 2022 Fábio Perez, Ian Ribeiro

Transformer-based large language models (LLMs) provide a powerful foundation for natural language tasks in large-scale customer-facing applications.

Adversarial Text Language Modelling +2

Solo or Ensemble? Choosing a CNN Architecture for Melanoma Classification

1 code implementation29 Apr 2019 Fábio Perez, Sandra Avila, Eduardo Valle

We evaluate that claim for melanoma classification, over 9 CNNs architectures, in 5 sets of splits created on the ISIC Challenge 2017 dataset, and 3 repeated measures, resulting in 135 models.

Classification General Classification +3

Weakly Supervised Active Learning with Cluster Annotation

no code implementations31 Dec 2018 Fábio Perez, Rémi Lebret, Karl Aberer

In this work, we introduce a novel framework that employs cluster annotation to boost active learning by reducing the number of human interactions required to train deep neural networks.

Active Learning

Data Augmentation for Skin Lesion Analysis

1 code implementation5 Sep 2018 Fábio Perez, Cristina Vasconcelos, Sandra Avila, Eduardo Valle

In this work, we investigate the impact of 13 data augmentation scenarios for melanoma classification trained on three CNNs (Inception-v4, ResNet, and DenseNet).

Data Augmentation General Classification +2

Deep-Learning Ensembles for Skin-Lesion Segmentation, Analysis, Classification: RECOD Titans at ISIC Challenge 2018

no code implementations25 Aug 2018 Alceu Bissoto, Fábio Perez, Vinícius Ribeiro, Michel Fornaciali, Sandra Avila, Eduardo Valle

This extended abstract describes the participation of RECOD Titans in parts 1 to 3 of the ISIC Challenge 2018 "Skin Lesion Analysis Towards Melanoma Detection" (MICCAI 2018).

Attribute Classification +4

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