scholarly journals Real-Time Music Following in Score Sheet Images via Multi-Resolution Prediction

2021 ◽  
Vol 3 ◽  
Author(s):  
Florian Henkel ◽  
Gerhard Widmer

The task of real-time alignment between a music performance and the corresponding score (sheet music), also known as score following, poses a challenging multi-modal machine learning problem. Training a system that can solve this task robustly with live audio and real sheet music (i.e., scans or score images) requires precise ground truth alignments between audio and note-coordinate positions in the score sheet images. However, these kinds of annotations are difficult and costly to obtain, which is why research in this area mainly utilizes synthetic audio and sheet images to train and evaluate score following systems. In this work, we propose a method that does not solely rely on note alignments but is additionally capable of leveraging data with annotations of lower granularity, such as bar or score system alignments. This allows us to use a large collection of real-world piano performance recordings coarsely aligned to scanned score sheet images and, as a consequence, improve over current state-of-the-art approaches.

CJEM ◽  
2017 ◽  
Vol 20 (6) ◽  
pp. 920-928 ◽  
Author(s):  
Danielle K. Kelton ◽  
Adam Szulewski ◽  
Daniel Howes

AbstractObjectivesTo collect and synthesize the literature describing the use of real-time video-based technologies to provide support in the care of patients presenting to emergency departments.Data SourceSix electronic databases were searched, including Medline, CINAHL, Embase, the Cochrane Database, DARE, and PubMed for all publications since the earliest date available in each database to February 2016.Study SelectionSelected articles were full text articles addressing the use of telemedicine to support patient care in pre-hospital or emergency department settings. The search yielded 2976 articles for review with 11 studies eligible for inclusion after application of the inclusion and exclusion criteria. A scoping review of the selected articles was performed to better understand the different systems in place around the world and the current state of evidence supporting telemedicine use in the emergency department.ConclusionsTelemedicine support for emergency department physicians is an application with significant potential but is still lacking evidence supporting improved patient outcomes. Advances in technology, combined with more attractive price-points have resulted in widespread interest and implementation around the world. Applications of this technology that are currently being studied include support for minor treatment centres, patient transfer decision-making, management of acutely ill patients and scheduled teleconsultations.


2013 ◽  
Vol 8 (2) ◽  
pp. 92 ◽  
Author(s):  
Bryony Buck ◽  
Jennifer MacRitchie ◽  
Nicholas J. Bailey

Research has indicated that the magnitude of physical expressive movements during a performance helps to communicate a musician's affective intent. However, the underlying function of these performance gestures remains unclear. Nine highly skilled solo pianists are examined here to investigate the effect of structural interpretation on performance motion patterns. Following previous findings that these performers generate repeated patterns of motion through overall upper-body movements corresponding to phrasing structure, this study now investigates the particular shapes traced by these movements. Through this we identify universal and idiosyncratic features within the shapes of motion patterns generated by these performers. Gestural shapes are examined for performances of Chopin’s explicitly structured A major Prelude (Op. 28, No. 7) and are related to individual interpretations of the more complex phrasing structure of Chopin’s B minor Prelude (Op. 28, No. 6). Findings reveal a universal general embodiment of phrasing structure and other higher-level structural features of the music. The physical makeup of this embodiment, however, is particular to both the performer and the piece being performed. Examining the link between performers' movements and interpreted structure strengthens understanding of the connection between body and instrument, furthering awareness of the relations between cognitive interpretation and physical expression of structure within music performance.


2021 ◽  
Author(s):  
Brent Pretty

As of late there's been great interest in social media’s ability to predict elections. Platforms such as Twitter and Facebook, owing to their cultural ubiquity, offer a plethora of data and an opportunity to track public perception at a granular level in real time. The ability to passively analyze public opinion is a massive step forward in the realm of political prediction, and has the potential to redefine the field of campaign strategy. In this piece of research I analyzed the current state of social media based electoral prediction. I examined the methods and techniques used to collect and analyze data, and compared their results against both each other and other methods of prediction such as telephone polling. In this I found a field that is still in its infancy. Much work remains to be done until a set of best practices surrounding social media based electoral prediction are accumulated.


2013 ◽  
Vol 4 (3) ◽  
pp. 47-57
Author(s):  
Rafik Lasri ◽  
Ignacio Rojas ◽  
Héctor Pomares ◽  
M. Nemiche

A new methodology of Fuzzy Controllers that can change the internal parameters of the controller in real time is presented in this paper. The Self-structured algorithm is able to adapt their rules consequents and re-organize their MFs in real time according to the current state of the controlled plant. Via a simulation of a temperature control process, the authors have proved and demonstrated the effectiveness and usefulness of their control algorithm compared to a conventional FLC under the same condition and using the same Simulated plant.


Author(s):  
Pierfrancesco Bellini ◽  
Paolo Nesi ◽  
Giorgio Zioa

The evolution of digital communication devices and formats has recently produced fundamental changes in the practical approach to music representation and notation, transforming them from a simple visual coding model for sheet music into a composite tool for modelling music in computer and multimedia applications in general. As a consequence, a multi-layer model of music representation is needed for several purposes in addition to sheet music production or visual display, such as audio rendering, entertainment, music analysis, database query, music performance coding, music distance learning, etc. The Symbolic Music Representation is a standard for modelling music notations, proposed inside the MPEG multimedia framework. Symbolic music representation generalizes the main music notation concepts to model the visual aspects of a music score, and audio information or annotations related to the music piece, allowing integration with other audiovisual elements by multimedia references. The Symbolic Music Representation standard overcomes the limitations of a widely accepted format like MIDI, which is in line with its main purpose to model music events whereas it reveals important limitations in producing audio and visual representations with satisfactory results.


Author(s):  
Meiping Yun ◽  
Wenwen Qin

Despite the wide application of floating car data (FCD) in urban link travel time estimation, limited efforts have been made to determine the minimum sample size of floating cars appropriate to the requirements for travel time distribution (TTD) estimation. This study develops a framework for seeking the required minimum number of travel time observations generated from FCD for urban link TTD estimation. The basic idea is to test how, with a decreasing the number of observations, the similarities between the distribution of estimated travel time from observations and those from the ground-truth vary. These are measured by employing the Hellinger Distance (HD) and Kolmogorov-Smirnov (KS) tests. Finally, the minimum sample size is determined by the HD value, ensuring that corresponding distribution passes the KS test. The proposed method is validated with the sources of FCD and Radio Frequency Identification Data (RFID) collected from an urban arterial in Nanjing, China. The results indicate that: (1) the average travel times derived from FCD give good estimation accuracy for real-time application; (2) the minimum required sample size range changes with the extent of time-varying fluctuations in traffic flows; (3) the minimum sample size determination is sensitive to whether observations are aggregated near each peak in the multistate distribution; (4) sparse and incomplete observations from FCD in most time periods cannot be used to achieve the minimum sample size. Moreover, this would produce a significant deviation from the ground-truth distributions. Finally, FCD is strongly recommended for better TTD estimation incorporating both historical trends and real-time observations.


Facilities ◽  
2005 ◽  
Vol 23 (1/2) ◽  
pp. 31-46 ◽  
Author(s):  
Seán T. McAndrew ◽  
Chimay J. Anumba ◽  
Tarek M. Hassan ◽  
Alistair K. Duke

PurposeThe purpose of the paper is to discuss the scope for improving the delivery of FM services through the use of wireless web‐based communications infrastructure, delivered via an application service provider (ASP) business model. This paper discusses the findings from case studies of three organisations and their approach to the management of facilities.Design/methodology/approachAn investigation was undertaken to ascertain the current state of play in terms of managing and tracking processes within the facilities management department of three different organisations. These case studies were chosen from distinct sectors, namely health care, higher education, and banking. Emphasis is placed on analysing how the organisations currently operate with their existing FM systems and the degree of influence technology has on existing processes. This was considered mainly in terms of computer‐aided facilities management (CAFM) and computer‐integrated facilities management (CIFM).FindingsThe study found that a new wireless web‐based service for FM systems would be considered useful. Although notoriously slow adopters of new technology, there was an acceptance by the facilities managers interviewed that a wireless web‐based approach would improve current practice, especially with respect to real‐time job reporting and tracking and in the determination of FM operative working time utilisation.Practical implicationsFurther work by the author is focusing on the development of a suitable demonstrator to illustrate the key concepts of a wireless web‐based FM service which will then be tested and evaluated. For further information, visit the research project web site at www.wirelessfm.org Originality/value – The paper hopefully stimulates discussion in the area of emerging wireless technologies that have the potential to streamline and improve current practices for the management of facilities, in particular that of real‐time job reporting and tracking.


Author(s):  
Sara P. Rimer ◽  
Nikolaos D. Katopodes ◽  
April M. Warnock

The threat of accidental or deliberate toxic chemicals released into public spaces is a significant concern to public safety. The real-time detection and mitigation of such hazardous contaminants has the potential to minimize harm and save lives. We develop a computational fluid dynamics (CFD) flow control model with the capability of detecting and mitigating such contaminants. Furthermore, we develop a physical prototype to then test the computer model. The physical prototype is in its final stages of construction. Its current state, along with preliminary examples of the flow control model are presented throughout this paper.


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