Search Results for author: Octavio Arriaga

Found 8 papers, 3 papers with code

Sanity Checks for Saliency Methods Explaining Object Detectors

no code implementations4 Jun 2023 Deepan Chakravarthi Padmanabhan, Paul G. Plöger, Octavio Arriaga, Matias Valdenegro-Toro

Adebayo et al.'s work on evaluating saliency methods for classification models illustrate certain explanation methods fail the model and data randomization tests.

Object object-detection +1

DExT: Detector Explanation Toolkit

1 code implementation21 Dec 2022 Deepan Chakravarthi Padmanabhan, Paul G. Plöger, Octavio Arriaga, Matias Valdenegro-Toro

State-of-the-art object detectors are treated as black boxes due to their highly non-linear internal computations.

Object

Unsupervised Difficulty Estimation with Action Scores

no code implementations23 Nov 2020 Octavio Arriaga, Matias Valdenegro-Toro

Evaluating difficulty and biases in machine learning models has become of extreme importance as current models are now being applied in real-world situations.

Image Classification object-detection +1

Black-Box Optimization of Object Detector Scales

no code implementations29 Oct 2020 Mohandass Muthuraja, Octavio Arriaga, Paul Plöger, Frank Kirchner, Matias Valdenegro-Toro

In this work, we propose the use of Black-box optimization methods to tune the prior/default box scales in Faster R-CNN and SSD, using Bayesian Optimization, SMAC, and CMA-ES.

Bayesian Optimization Object +1

Learning of Multi-Context Models for Autonomous Underwater Vehicles

no code implementations17 Sep 2018 Bilal Wehbe, Octavio Arriaga, Mario Michael Krell, Frank Kirchner

Multi-context model learning is crucial for marine robotics where several factors can cause disturbances to the system's dynamics.

General Classification

Image Captioning and Classification of Dangerous Situations

no code implementations7 Nov 2017 Octavio Arriaga, Paul Plöger, Matias Valdenegro-Toro

Current robot platforms are being employed to collaborate with humans in a wide range of domestic and industrial tasks.

Anomaly Detection Classification +2

Real-time Convolutional Neural Networks for Emotion and Gender Classification

18 code implementations20 Oct 2017 Octavio Arriaga, Matias Valdenegro-Toro, Paul Plöger

In this paper we propose an implement a general convolutional neural network (CNN) building framework for designing real-time CNNs.

Emotion Classification Face Detection +3

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