Alfonso Montuori's research while affiliated with Politecnico di Torino and other places
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Publications (19)
The paper presents a methodology for describing in generative terms the structure of urban fabrics: the objective is to transfer conceptually the knowledge about the domain of urban space into a hierarchical and interrelated semantic structure with relevant concepts, elements and their mutual relationships, providing explicit and unambiguous defini...
We present the results of an information theory-based approach to select an optimal subset of features for the prediction of protein model quality. The optimal subset of features was calculated by means of a backward selection procedure. The performances of a probabilistic classifier modeled by means of a Kernel Probability Density Estimation metho...
The study described in this paper, analyzed the urban and suburban air pollution principal causes and identified the best subset of features (meteorological data and air pollutants concentrations) for each air pollutant in order to predict its medium-term concentration (in particular for the PM 10). An information theoretic approach to feature sele...
The research activity described in this paper concerns the study of the phenomena responsible for the urban and suburban air pollution. The analysis carries on the work already developed by the NeMeFo (neural meteo forecasting) research project for meteorological data short-term forecasting. The study analyzed the air pollution principal causes and...
The paper presents an ongoing project to interactively simulate urban and regional dynamics at the building scale. Urban Generator is a system for generating a large number of design solutions and for browsing, searching and structuring the high-dimensional space of the design solutions further to variable and customisable factors defined by the de...
The research activity described in this paper concerns the study of the phenomena responsible for the urban and suburban air pollution. The analysis carries on the work already developed by the NeMeFo (Neural Meteo Forecasting) research project for meteorological data short-term forecasting, Pasero (2004). The study analyzed the air-pollution princ...
Features selection to assess the accuracy of a protein three-dimensional model, when only the protein sequence is known, is a challenging task because it is not clear which features are most important and how they should best be combined. We present the results of an information theory-based approach to select an optimal subset of features for the...
The selection of the wavelet packet best basis of a perceptual real-time audio encoder has been a challenging task for researchers. Due to the subjective nature of the auditory masking phenomenon, fully objective performance measures (entropy versus SNR, delay, etc.) are not sufficient for the selection of optimal representations. In our work we pr...
We developed a real-time wideband speech codec adopting a wavelet packet based methodology. The transform domain coefficients were first quantized by using a psycho-acoustic model and then encoded with an arithmetic coding. The arithmetic coding was carried out by adapting the probability model of the quantized coefficients frame by frame by means...
We present an interactive educational DSP platform for realtime subband audio coding. The tool integrates a DSP course on advanced audio coding and focuses on wavelets, subband coding, and signal quantization. The package consists of a Windows control application running on a PC and real-time DSP code implemented on a Texas Instruments DSP Starter...
We developed a real-time wideband speech codec adopting a wavelet packet based methodology. The transform domain coefficients
were first quantized by means of a mid-tread uniform quantizer and then encoded with an arithmetic coding. In the first step
the wavelet coefficients were quantized by using a psycho-acoustic model. The second step was carri...
Simulation of natural human movement has proven to be a challenging problem, difficult to be solved by more or less traditional bioinspired strategies. In opposition to several existing solutions, mainly based upon deterministic algorithms, a data-driven approach is presented herewith, which is able to grasp not only the natural essence of human mo...
Simulation of natural human movement has proven to be a challenging problem, difficult to be solved by more or less traditional
bio-inspired strategies. In opposition to several existing solutions, mainly based upon deterministic algorithms, a data-driven
approach is presented herewith, which is able to grasp not only the natural essence of human m...
The paper presents the ongoing research work on a software system for supporting the exploration of the numerous and often interrelated factors that can affect the urban design. The present implementation of the system supports the simulation of different urban scenarios in relation to the uniqueness and constraints peculiar to a design and a site....
Simulation of natural human movement has proven to be a challenging problem, difficult to be solved by more or less traditional bio-inspired strategies. To simulate human-like movements in a virtual environment a sample database of real movements has been first transformed into sequences of instantaneous states of an explicit biomechanical model. T...
In this work a hybrid approach to the development of computer tools for ergonomic analysis of manufacturing applications is proposed. To simulate human-like movements in a virtual environment a sample database of real movements has been first transformed into sequences of instantaneous states of an explicit biomechanical model. These are then assoc...
Citations
... Their ontology is build using the Protégé application and is grounded on existing upper ontological framework like SKOS, and FOAF. In (Berta et al, 2016) Berta et al. describe the Urban Morphology Ontology (UMO) for describing, in generative terms, the structure of urban fabrics. The goal is to support urban designers in the early stages of design process, like street pattern and massing definition, by generating in real time a number of design scenarios, starting from a large number of constraints and requests. ...
... The propose of the model is to inform future policy decisions. Finally, in Caneparo et al. [105] (Fig. 14, right), agents again represent buildings, however the objective of the model in this case is design exploration. Its purpose is to explore the mechanisms underlying the generation of urban form. ...
... anthropometrical) relations among raw data, as well as general cinematic behaviour and their dependency from environmental and ergonomic factors. Anyway the two faces of the same problem should better be de-coupled upon availability of an explicit model for cinematic relations only [3]. This hybrid approach is justified by a set of reasons, listed below. ...
... or http://dx.doi.org/10.1051/3u3d/201202010 Usage, Usability, and Utility of 3D City Models applications heavily use topological relations, urban rules are expressed with intervisibility and distance criteria [2, 3]. Research on data integrity use relations as integrity constraints [4]. ...
... Sub-band coding [9] is a method for calculating the Discrete Wavelet Transform. The whole sub-band process consists of a filter bank, and filters of different cutoff frequencies are used to analyze the signal at different scales. ...
... This is the reason why it is necessary to use several methods to find the one that provides the best prediction [37]. In the literature, many studies in Europe, China, Korea, and the United States have already used ML methods to forecast PM 10 concentrations [32,35,36,[38][39][40][41][42][43][44][45][46]. To our knowledge, no study has yet used ML models to forecast PM 10 concentrations in the Caribbean area. ...
... The velocity of the latest generations of DSP's have increased to the point where they are being used in high speed applications like DSL, wireless base stations and hand sets. Other applications include the implementation of video coding motion (Louro et al., 2003), Realtime audio transmission (Pasero & Montuori, 2003), e-commerce security (Jiankun et al., 2001), digital signal Processing system design (Kehtarnavaz et al., 2004) and implementation of facial recognition algorithms (Batur et al., 2003). Some of the advantages resulting are the integrated digital circuits that are very reliable and can be automatically inserted in boards easily. ...
... As a result, conventional batch/offline learning algorithms, which are unable to react/adapt to such changes, often present a deterioration of their prediction accuracy. Forecasting PM concentration, therefore, may be better suited by machine learning techniques properly developed to deal with data streams [3], [7], [4]. ...
... motion prototypes annotated with behavioural tags combination based on height (foot elevation) criteria -2nd order derivative to extract and combine basic motions priority (importance) levels and weights based combination segmenting data and recombining with transitional motions combining non-overlapping data based on spacetime constraints timewarping to match motion sequences fade-in, fade-out functions curve blending functions interpolation between motion sequences grouping mutually exclusive motions for faster combination » » Generality Ó Ó [Grzeszczuk and Terzopoulos, 1995] use NNs for learning motion (from examples or positioning feedback), but apply it only to simple articulations. [Bellan et al., 1998] suggests a data-driven NN approach that is aimed to grasp the essence and variability of human movement. The approach taken in [Gritz, 1999] to achieve physical simulation with the aid of genetic programming (GP) to produce controller programs is similar. ...
... tti et al. 2008, Tan and Jones 2008) and support vector machine (Zhang 2008) have been introduced to evaluate the qualities of protein models. The Model Evaluator method (Zheng Wang 2008) compares structure features generated from a 3D model with those predicted from its primary sequence and obtaines high correlation on the CASP6 and CASP7 dataset. Montuori et al. (2008) formulated the model quality assessment as a classification task, and presented an information theory-based approach to select an optimal subset of structural features for the assessment of protein model accuracy. Costantini et al. (2007) analyzed structural properties that characterize protein globularity and suggested an operative pro ...