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Universitat Rovira i Virgili

1. Mercas, Robert. Repetitions in partial words.

Degree: Departament de Filologies Romàniques, 2010, Universitat Rovira i Virgili

El objeto de esta tesis está representado por las repeticiones de palabras parciales, palabras que, además de las letras regulares, pueden tener un número de símbolos desconocidos,llamados símbolos "agujeros" o "no sé qué". Más concretamente, se presenta y se resuelve una extensión de la noción de repetición establecida por Axel Thue. Investigamos las palabras parciales con un número infinito de agujeros que cumplen estas propiedades y, también las palabras parciales que conservan las propiedades después de la inserción de un número arbitrario de agujeros, posiblemente infinito. Luego, hacemos un recuento del número máximo de 2-repeticiones distintas compatibles con los factores de una palabra parcial. Se demuestra que el problema en el caso general es difícil, y estudiamos el problema en el caso de un agujero. Al final, se estudian algunas propiedades de las palabras parciales sin fronteras y primitivas (palabras sin repeticiones) y se da una caracterización del lenguaje de palabras parciales con una factorización crítica. Advisors/Committee Members: [email protected] (authoremail), true (authoremailshow), Blanchet-Sadri, Francine (director).

Subjects/Keywords: repetition; Partil words; 004; 6; 81

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Mercas, R. (2010). Repetitions in partial words. (Thesis). Universitat Rovira i Virgili. Retrieved from http://hdl.handle.net/10803/8801

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Mercas, Robert. “Repetitions in partial words.” 2010. Thesis, Universitat Rovira i Virgili. Accessed April 24, 2019. http://hdl.handle.net/10803/8801.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Mercas, Robert. “Repetitions in partial words.” 2010. Web. 24 Apr 2019.

Vancouver:

Mercas R. Repetitions in partial words. [Internet] [Thesis]. Universitat Rovira i Virgili; 2010. [cited 2019 Apr 24]. Available from: http://hdl.handle.net/10803/8801.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Mercas R. Repetitions in partial words. [Thesis]. Universitat Rovira i Virgili; 2010. Available from: http://hdl.handle.net/10803/8801

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation


Universidad de Murcia

2. Hernández Hernández, José Luis. Estudio e implementación de algoritmos de visión artificial y modelos de color para la determinación de la cobertura vegetal : aplicación a cultivos hortícolas.

Degree: Departamento de Informática y Sistemas, 2016, Universidad de Murcia

Abstract In recent years, digital image processing and computer vision fields have proven to be very powerful tools in the agricultural domain. Each day, new applications can be found for crop monitoring and automatic management of horticultural processes based on images, which aim to reduce costs and increase crop productivity. Computer vision constitutes, along with other engineering disciplines, the so called agro-engineering field. The main objective of this thesis is the analysis, design, development and validation of new image analysis and color modelling techniques for the estimation of the vegetation cover in horticultural images, with the ultimate aim of calculating their water requirements. The achievement of this objective is accomplished through three major milestones, embodied in the three publications that make up the thematic unity of this compendium: • First, the performance of a complete and comprehensive analysis of the most common color spaces applied to the problem of plant/soil segmentation of crop images. In this first milestone, the effectiveness and accuracy of different alternatives for color modeling was studied, using a non-parametric representation of color distributions with histograms in different color spaces, channels and dimensions. • Secondly, based on the results of the previous analysis, the design of a novel technique for automating training of color models, which includes the selection of the optimum color space, channels configuration and size. This technique can be applied to other generic problems of color analysis, yielding a high accuracy in color classification. • In third place, the development and validation of practical tools that implement the algorithms previously designed. On the one hand, a tool for PCs has been developed focused on creating and managing color models from a partial user input; and, on the other hand, an app for portable devices has been created that allows to perform a complete analysis of crop images on the field. The images used in the experimental validation correspond to horticultural crops of different varieties in fields of Cartagena and San Javier, Spain, mainly of lettuce and Kohlrabi. Many series of photos were taken to monitor the growth of plants in different plots at intervals of 4 and 7 days, during several cropping cycles in diverse years. These images were acquired with compact digital cameras at high resolution. Then they were trimmed with respect to a rectangular pattern, physically located on the ground, in order to ensure uniformity of the area under study. All images were segmented by a human expert, with commercial image analysis software in a supervised way. The results of this process were taken as the basis for training and testing of the developed algorithms for automatic classification and modeling of color. For image processing, the most frequent color spaces used in computer vision were considered. The proposed approach computes for each given pixel value the probabilities of belonging to the target classes, plant… Advisors/Committee Members: [email protected] (authoremail), false (authoremailshow), García Mateos, Ginés (director), Molina Martínez, José Miguel (director), true (authorsendemail).

Subjects/Keywords: Algoritmos; Visión artificial (Robótica); Tratamiento de las Imágenes; Agricultura; Ingeniería;

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Hernández Hernández, J. L. (2016). Estudio e implementación de algoritmos de visión artificial y modelos de color para la determinación de la cobertura vegetal : aplicación a cultivos hortícolas. (Thesis). Universidad de Murcia. Retrieved from http://hdl.handle.net/10803/399588

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Hernández Hernández, José Luis. “Estudio e implementación de algoritmos de visión artificial y modelos de color para la determinación de la cobertura vegetal : aplicación a cultivos hortícolas.” 2016. Thesis, Universidad de Murcia. Accessed April 24, 2019. http://hdl.handle.net/10803/399588.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Hernández Hernández, José Luis. “Estudio e implementación de algoritmos de visión artificial y modelos de color para la determinación de la cobertura vegetal : aplicación a cultivos hortícolas.” 2016. Web. 24 Apr 2019.

Vancouver:

Hernández Hernández JL. Estudio e implementación de algoritmos de visión artificial y modelos de color para la determinación de la cobertura vegetal : aplicación a cultivos hortícolas. [Internet] [Thesis]. Universidad de Murcia; 2016. [cited 2019 Apr 24]. Available from: http://hdl.handle.net/10803/399588.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hernández Hernández JL. Estudio e implementación de algoritmos de visión artificial y modelos de color para la determinación de la cobertura vegetal : aplicación a cultivos hortícolas. [Thesis]. Universidad de Murcia; 2016. Available from: http://hdl.handle.net/10803/399588

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

3. Borge Holthoefer, Javier. Semantic networks and cognitive dynamics.

Degree: Departament d'Enginyeria Informàtica i Matemàtiques, 2011, Universitat Rovira i Virgili

Following a classical conception of Artificial Intelligence (one that aims a definition of cognitive mechanisms and their implementation in computers), this thesis explores the problem of knowledge organization. In particular, it draws attention to the linguistic and semantic memory, trying to find out how semantic relations emerge between words. To achieve these objectives, we rely on three main sources: use of empirical data from psycholinguistics and neuropsychology; the use of complex systems (statistical physics) methodology to build and simulate dynamic models; and finally the utilization of technologies at our disposal both for obtaining new data (Internet) as well as sufficient storage capacity and processing speed for massive data manipulation. From this point of view, rooted in Cognitive Science, many applications may arise, some of them strongly linked to current problems in the field of Computer Science, such as unsupervised information extraction, enrichment of databases and language electronic resources (Wikipedia, WordNet, etc.). and improve consultation systems (query-based systems). In Chapter 2 the methodologies that have helped build the rest of the work are established. Chapter 3 is devoted to clarify (i) the kind of data that have been used in the large-scale study of language and cognitive phenomena around it, and (ii) review some of the major contributions to the date about language and cognition. In Chapter 4 the Random Inheritance Model is introduced, which represents an attempt to understand how does semantic similarity between words and semantic categories emerge. Results are compared with empirical data obtained from responses with human subjects. In Chapter 5 we present a model of semantic degradation which emulates neurodegenerative processes, and predicts experimental observations from Alzheimer's Disease patients in the field of neuropsychology. In the study of such degenerative processes different multidisciplinary interests converge, ranging from cognition itself to percolation theory in statistical physics. Chapter 6 is finally devoted to a global reflection of this memory. Advisors/Committee Members: [email protected] (authoremail), false (authoremailshow), Arenas, Àlex (director), true (authorsendemail).

Subjects/Keywords: Semantic network; Complex systems; Cognitive science; 004; 6

…3.5 4 5 6 3.1.3 Semantic features… …Holthoefer ISBN:978-84-694-2176-5/DL:T. 1034-2011 6 Resum En aquests processos degeneratius… …relacio´ existent entre la performance lingu´ ` neurologiques. ` El Cap´ıtol 6 queda finalment… …of a lifetime. Nonetheless, Chapter 6, devoted to Conclusions, tackles this and other… …consists of a bewildering variety of substrates and enzymes. 6. Meta-complication: the various… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Borge Holthoefer, J. (2011). Semantic networks and cognitive dynamics. (Thesis). Universitat Rovira i Virgili. Retrieved from http://hdl.handle.net/10803/31937

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Borge Holthoefer, Javier. “Semantic networks and cognitive dynamics.” 2011. Thesis, Universitat Rovira i Virgili. Accessed April 24, 2019. http://hdl.handle.net/10803/31937.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Borge Holthoefer, Javier. “Semantic networks and cognitive dynamics.” 2011. Web. 24 Apr 2019.

Vancouver:

Borge Holthoefer J. Semantic networks and cognitive dynamics. [Internet] [Thesis]. Universitat Rovira i Virgili; 2011. [cited 2019 Apr 24]. Available from: http://hdl.handle.net/10803/31937.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Borge Holthoefer J. Semantic networks and cognitive dynamics. [Thesis]. Universitat Rovira i Virgili; 2011. Available from: http://hdl.handle.net/10803/31937

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

.