Author Archives: Alexandre Ferreira

Our research about pornography detection on the News

Our research about pornography detection, recently published at Neurocomputing, is getting the attention of many News agencies in Brazil. It’s a good indicator to measure the great impact it has into our modern society. All of them are listed below … Continue reading

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Talk: Multimedia Integrity Analytics

Today Prof. Anderson Rocha will give a talk at University of Kentucky about Multimedia Integrity Analytics. The talk is part of the university weekly seminars and presentation. Abstract: Currently, multimedia objects can be easily created, stored, (re)-transmitted, and edited for … Continue reading

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Empirical Evaluation of Resampling Procedures for Optimising SVM Hyperparameters

Tuning the regularisation and kernel hyperparameters is a vital step in optimising the generalisation performance of kernel methods, such as the support vector machine (SVM). This is most often performed by minimising a resampling/cross-validation based model selection criterion, however there … Continue reading

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RECOD’s Diabetic Retinopathy research on the news

Our research on Diabetic Retinopathy has gotten the attention of a well known website about health and wellness in Brazil. The article (in Portuguese) highlights the importance of diabetic retinopathy treatment and how the society can take advantage of our … Continue reading

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Empirical comparison of cross-validation and internal metrics for tuning SVM hyperparameters

Hyperparameter tuning is a mandatory step for building a support vector machine classifier. In this article, the authors study some methods based on metrics of the training set itself, and not the performance of the classifier on a different test … Continue reading

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Video pornography detection through deep learning techniques and motion information

In this paper, the authors deal with a growing issue of our connected society: automated sensitive media (pornographic, violent, gory, etc.) filtering. A range of applications has increased societal interest on the problem, e.g., detecting inappropriate behavior via surveillance cameras; … Continue reading

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Talk: The brave new world of open-set recognition

Being part of a series of four talks that will be given at NTU Singapore, in this fourth talk Prof. Anderson Rocha (RECOD) explored the research field of Open-set Recognition. The talk comprises four parts, each of which lasting approximately … Continue reading

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New research grants

We are proud to announce the following new research grants obtained recently by RECOD team: (2016 – 2017) Leveraging Data-Driven Techniques for Screening of Diabetic Retinopathy and Alzheimer’s Disease. Coordinator: Prof. Dr. Anderson Rocha. Microsoft Research Azure for Research. (2017 … Continue reading

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Talk: Sensitive Video Analysis

Being part of a series of four talks that will be given at NTU Singapore, in this third talk Prof. Anderson Rocha (RECOD) explored the research field of Sensitive Video. Abstract: Sensitive video can be defined as any motion picture … Continue reading

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RECOD Fourth Report 2009–2017

We are proud to share our latest achievement laboratory’s report, which translates into numbers the excellent efforts of a great research team at UNICAMP that counts upon six permanent professors, post-doctoral researchers, world-class collaborators all around the globe, and a … Continue reading

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