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\n\n \n \n \n \n \n A Deep Convolutional Network for Seismic Shot-Gather Image Quality Classification.\n \n \n \n\n\n \n Betine, E.; Busson, A.; Milidiú, R.; Colcher, S.; Dias, B.; and Bulcão, A.\n\n\n \n\n\n\n December 2019.\n
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@misc{betine_deep_2019,\n title = {A {Deep} {Convolutional} {Network} for {Seismic} {Shot}-{Gather} {Image} {Quality} {Classification}},\n abstract = {Deep Learning-based models such as Convolutional Neural Networks, have led to significant advancements in several areas of computing applications. Seismogram quality assurance is a relevant Geophysics task, since in the early stages of seismic processing, we are required to identify and fix noisy sail lines. In this work, we introduce a real-world seismogram quality classification dataset based on 6,613 examples, manually labeled by human experts as good, bad or ugly, according to their noise intensity. This dataset is used to train a CNN classifier for seismic shot-gathers quality prediction. In our empirical evaluation, we observe an F1-score of 93.56\\% in the test set.},\n author = {Betine, Eduardo and Busson, Antonio and Milidiú, Ruy and Colcher, Sérgio and Dias, Bruno and Bulcão, André},\n month = dec,\n year = {2019}\n}\n\n
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\n Deep Learning-based models such as Convolutional Neural Networks, have led to significant advancements in several areas of computing applications. Seismogram quality assurance is a relevant Geophysics task, since in the early stages of seismic processing, we are required to identify and fix noisy sail lines. In this work, we introduce a real-world seismogram quality classification dataset based on 6,613 examples, manually labeled by human experts as good, bad or ugly, according to their noise intensity. This dataset is used to train a CNN classifier for seismic shot-gathers quality prediction. In our empirical evaluation, we observe an F1-score of 93.56% in the test set.\n
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\n\n \n \n \n \n \n Deep learning methods for video understanding.\n \n \n \n\n\n \n Noronha Pereira dos Santos, G.; Almeida de Freitas, P.; Busson, A.; Livio, Á.; Milidiú, R.; and Colcher, S.\n\n\n \n\n\n\n In pages 21–23, October 2019. \n
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@inproceedings{noronha_pereira_dos_santos_deep_2019,\n title = {Deep learning methods for video understanding},\n isbn = {978-1-4503-6763-9},\n doi = {10.1145/3323503.3345029},\n abstract = {Methods based on Deep Learning became state-of-the-art in several Multimedia challenges. However, there is a gap of professionals to perform Deep Learning in the industry. Therefore, this tutorial aims to present the grounds and ways to develop applications that uses methods based on Deep Learning for video analysis tasks. Likewise, this tutorial is an opportunity for students and information technology professionals to qualify themselves. The main focus of this short course is to present fundamentals and technologies to develop such methods of DL.},\n author = {Noronha Pereira dos Santos, Gabriel and Almeida de Freitas, Pedro and Busson, Antonio and Livio, Álan and Milidiú, Ruy and Colcher, Sérgio},\n month = oct,\n year = {2019},\n pages = {21--23}\n}\n\n
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\n Methods based on Deep Learning became state-of-the-art in several Multimedia challenges. However, there is a gap of professionals to perform Deep Learning in the industry. Therefore, this tutorial aims to present the grounds and ways to develop applications that uses methods based on Deep Learning for video analysis tasks. Likewise, this tutorial is an opportunity for students and information technology professionals to qualify themselves. The main focus of this short course is to present fundamentals and technologies to develop such methods of DL.\n
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\n\n \n \n \n \n \n Métodos baseados em Deep Learning para Análise de Vídeo.\n \n \n \n\n\n \n Noronha Pereira dos Santos, G.; Almeida de Freitas, P.; Busson, A.; Livio, Á.; Colcher, S.; and Milidiú, R.\n\n\n \n\n\n\n In pages 119. October 2019.\n
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@incollection{noronha_pereira_dos_santos_metodos_2019,\n title = {Métodos baseados em {Deep} {Learning} para {Análise} de {Vídeo}},\n isbn = {978-85-7669-481-6},\n abstract = {Os métodos baseados no Deep Learning tornaram-se state-of-the-art em vários desafios de multimídia. No entanto, existe uma lacuna de profissionais para realizar o Deep Learning na indústria. Este capítulo tem como foco apresentar os fundamentos e tecnologias para desenvolver tais métodos de DL para analise de vídeo. Em especial, buscamos capacitar o leitor a: (1) entender os principais modelos baseados em DL, mais espe-cificamente Convolutional Neural Networks (CNN); (2) aplicar os modelos de DL para resolver tarefas de vídeo como: classificação de vídeo, classificação de multi-etiquetas de vídeo, detecção de objetos e estimação de pose. A linguagem de programação Python é apresentada em conjunto com a biblioteca TensorFlow para implementação dos modelos de DL.},\n author = {Noronha Pereira dos Santos, Gabriel and Almeida de Freitas, Pedro and Busson, Antonio and Livio, Álan and Colcher, Sérgio and Milidiú, Ruy},\n month = oct,\n year = {2019},\n doi = {10.5753/sbc.481.6.04},\n pages = {119}\n}\n\n
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\n Os métodos baseados no Deep Learning tornaram-se state-of-the-art em vários desafios de multimídia. No entanto, existe uma lacuna de profissionais para realizar o Deep Learning na indústria. Este capítulo tem como foco apresentar os fundamentos e tecnologias para desenvolver tais métodos de DL para analise de vídeo. Em especial, buscamos capacitar o leitor a: (1) entender os principais modelos baseados em DL, mais espe-cificamente Convolutional Neural Networks (CNN); (2) aplicar os modelos de DL para resolver tarefas de vídeo como: classificação de vídeo, classificação de multi-etiquetas de vídeo, detecção de objetos e estimação de pose. A linguagem de programação Python é apresentada em conjunto com a biblioteca TensorFlow para implementação dos modelos de DL.\n
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\n\n \n \n \n \n \n \n Building a Massive Corpus for Named Entity Recognition using Free Open Data Sources Request PDF.\n \n \n \n \n\n\n \n \n\n\n \n\n\n\n 2019.\n
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@misc{noauthor_building_nodate,\n title = {Building a {Massive} {Corpus} for {Named} {Entity} {Recognition} using {Free} {Open} {Data} {Sources} {Request} {PDF}},\n url = {https://www.researchgate.net/publication/335233220_Building_a_Massive_Corpus_for_Named_Entity_Recognition_using_Free_Open_Data_Sources},\n abstract = {Request PDF Building a Massive Corpus for Named Entity Recognition using Free Open Data Sources With the recent progress in machine learning, boosted by techniques such as deep learning, many tasks can be successfully solved once a large... Find, read and cite all the research you need on ResearchGate},\n language = {en},\n year = {2019},\n urldate = {2020-03-03},\n journal = {ResearchGate}\n}\n\n
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\n Request PDF Building a Massive Corpus for Named Entity Recognition using Free Open Data Sources With the recent progress in machine learning, boosted by techniques such as deep learning, many tasks can be successfully solved once a large... Find, read and cite all the research you need on ResearchGate\n
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\n\n \n \n \n \n \n \n Cumulative Sum Ranking.\n \n \n \n \n\n\n \n Milidiú, R. L.; and Rocha, R. H. S.\n\n\n \n\n\n\n November 2019.\n
arXiv: 1911.11255\n\n
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@misc{milidiu_cumulative_2019,\n title = {Cumulative {Sum} {Ranking}},\n url = {http://arxiv.org/abs/1911.11255},\n abstract = {The goal of Ordinal Regression is to find a rule that ranks items from a given set. Several learning algorithms to solve this prediction problem build an ensemble of binary classifiers. Ranking by Projecting uses interdependent binary perceptrons. These perceptrons share the same direction vector, but use different bias values. Similar approaches use independent direction vectors and biases. To combine the binary predictions, most of them adopt a simple counting heuristics. Here, we introduce a novel cumulative sum scoring function to combine the binary predictions. The proposed score value aggregates the strength of each one of the relevant binary classifications on how large is the item's rank. We show that our modeling casts ordinal regression as a Structured Perceptron problem. As a consequence, we simplify its formulation and description, which results in two simple online learning algorithms. The second algorithm is a Passive-Aggressive version of the first algorithm. We show that under some rank separability condition both algorithms converge. Furthermore, we provide mistake bounds for each one of the two online algorithms. For the Passive-Aggressive version, we assume the knowledge of a separation margin, what significantly improves the corresponding mistake bound. Additionally, we show that Ranking by Projecting is a special case of our prediction algorithm. From a neural network architecture point of view, our empirical findings suggest a layer of cusum units for ordinal regression, instead of the usual softmax layer of multiclass problems.},\n urldate = {2020-03-03},\n journal = {arXiv:1911.11255 [cs, stat]},\n author = {Milidiú, Ruy Luiz and Rocha, Rafael Henrique Santos},\n month = nov,\n year = {2019},\n note = {arXiv: 1911.11255}\n}
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\n The goal of Ordinal Regression is to find a rule that ranks items from a given set. Several learning algorithms to solve this prediction problem build an ensemble of binary classifiers. Ranking by Projecting uses interdependent binary perceptrons. These perceptrons share the same direction vector, but use different bias values. Similar approaches use independent direction vectors and biases. To combine the binary predictions, most of them adopt a simple counting heuristics. Here, we introduce a novel cumulative sum scoring function to combine the binary predictions. The proposed score value aggregates the strength of each one of the relevant binary classifications on how large is the item's rank. We show that our modeling casts ordinal regression as a Structured Perceptron problem. As a consequence, we simplify its formulation and description, which results in two simple online learning algorithms. The second algorithm is a Passive-Aggressive version of the first algorithm. We show that under some rank separability condition both algorithms converge. Furthermore, we provide mistake bounds for each one of the two online algorithms. For the Passive-Aggressive version, we assume the knowledge of a separation margin, what significantly improves the corresponding mistake bound. Additionally, we show that Ranking by Projecting is a special case of our prediction algorithm. From a neural network architecture point of view, our empirical findings suggest a layer of cusum units for ordinal regression, instead of the usual softmax layer of multiclass problems.\n
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