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Identifying meaningful signal buried in noise is a problem of interest arising in diverse scenarios of data-driven modeling. We present here a theoretical framework for exploiting intrinsic geometry in data that resists noise corruption, and might be identifiable under severe obfuscation. Our approach is based on uncovering a valid complete inner product on the space of ergodic stationary finite valued...
In order to achieve the goal of the efficient and more productive education for university students, this study has presumed as the first step toward the goal that the maintenance of students' health consciousness to a certain level is a bottom line. Since wristband-type wearable devices, one of IoT (Internet of Things) devices are getting popular on campus, this study has implemented a monitoring...
Multilayer network analysis has become a vital tool for understanding different relationships and their interactions in a complex system, where each layer in a multilayer network depicts the topological structure of a group of nodes corresponding to a particular relationship. The interactions among different layers imply how the interplay of different relations on the topology of each layer. For a...
This paper proposed robust color constancy method for changing illuminant by using local chromaticity distribution and analysis of illuminant influence for each hue angle. First, changing in chromaticity distribution direction for each color with respect to various illuminant is analyzed using principal component analysis. Next, change in standard deviation of chromaticity distribution with respect...
Traditional Chinese Medicine (TCM) symptoms are the basis of the diagnosis and differentiation. Analyzing TCM symptoms is significant for discovering the knowledge of TCM. Different doctors of TCM prefers using different terms for the same symptom, which is not conducive to the standardization of TCM knowledge and hinders the heritage of TCM. This paper presents a solution to structure the symptoms...
Telehealth relies on the ability of Information and Communication Technology (ICT) to maximize the quality of care provided remotely. Remote Patient Monitoring (RPM) is a key part within telehealth that enables patient to use devices to measure vital signs and sends it to a healthcare professional. Patients usually have multiple devices to measure vital signs. Those devices might be manufactured by...
Traditional Chinese Medicine (TCM) symptoms are the basis of the diagnosis and differentiation. Analyzing TCM symptoms is significant for discovering the knowledge of TCM. Different doctors of TCM prefers using different terms for the same symptom, which is not conducive to the standardization of TCM knowledge and hinders the heritage of TCM. This paper presents a solution to structure the symptoms...
I present a novel definition of services (in particular, public services) which sees each of them as the sum of all activities that realize a public authority's commitment to make available to individuals, businesses, or other public authorities some capabilities intended to answer their needs, giving them some possibilities to control how and when such capabilities should be manifested.
Peripheral venous catheters (PVCs) are the most frequently used devices in hospitalized patients. Healthcare providers routinely assess the PVC site for signs and symptoms of phlebitis and infiltration; however, the diagnoses remain uncertain. In this study, we examined whether thermography can be used to assess PVC site complications. A low-temperature region, caused by infiltration, was observed...
To advance Java programming studies, we have developed the Java Programming Learning Assistant System (JPLAS). The test code plays a critical role in verifying the correctness of the source code from a student automatically at the server in the code writing problem in JPLAS. Previously, we proposed the test code generation tool that automatically generates the test code from the given source code...
Aliasing is major problem in any audio signal processing chain involving nonlinearity. The usual approach to antialiasing involves operation at an oversampled rate—usually 4 to 8 times an audio sample rate. Recently, a new approach to antialiasing in the case of memoryless nonlinearities has been proposed, which relies on operations over the antiderivative of the nonlinear function, and which allows...
The Open University of Japan (OUJ) and National Institute of Informatics (NII) have started collaborative study for learning analytics. OUJ is the largest distance education institution in Japan. In the academic year of 2015, OUJ launched interactive online courses. One of the essential features of online courses is the possibility to collect and analyze educational big data. To utilize such educational...
This study rewrote a fractional-order particle swarm optimizer algorithmic equation and used an improved uniform design method (IUDM) to find the best combination for parameters of FPSO. Compared to PSO, FPSO makes a high convergence rate. In the improved FPSO, there are 4 parameters to influence effectiveness. Uniform design is an experimental method and suitable for multiple parameters and multiple...
This paper addresses the problem of under-determined audio source separation in multichannel reverberant mixtures. We target a semiblind scenario assuming that the mixing filters are known. Source separation is performed from the time-domain mixture signals in order to accurately model the convolutive mixing process. The source signals are however modeled as latent variables in a time-frequency domain...
We describe a family of ambisonics rendering methods that is based on optimizing the soundfield component that lies in the null space of the operator that maps the loudspeaker signals onto the given ambisonics representation. In contrast to traditional rendering approaches, the new method avoids the coherent addition of loudspeaker contributions to the sound field. As a result, it provides a space-invariant...
Multitrack audio mixing is an essential part of music production and one of the first steps consist on processing individual stems from raw recordings. In this paper, we investigate this stage as a content-based transformation. We explore which audio features are relevant to interpret this specific process and which set of features gets modified by the mixing of stems in the most consistent way. We...
Person re-identification is important and challenging parts in a non-overlapping camera network. In this paper, we propose the person re-identification framework which consists of kernel size into convolutional layers considering the person ratio and relationship matrix that train the relationship information related to neighborhoods. Our framework deals with global feature extracted from the whole...
Chronic Obstructive Pulmonary Disease is a common respiratory disease. The diagnosis of the disease is made by a specialist doctor according to the report given by the spirometer device, which is the gold standard method for diagnosis. This method can only be performed in hospitals with the help of a technician. However, monitoring of the disease after diagnosis is important to follow the damage that...
This paper considers the problem of recovering either a low rank matrix or a sparse vector from observations of linear combinations of the vector or matrix elements. Recent methods replace the non-convex regularization with ℓ1 or nuclear norm relaxations. It is well known that this approach recovers near optimal solutions if a so called restricted isometry property (RIP) holds. On the other hand it...
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