نتایج جستجو برای: bow
تعداد نتایج: 3914 فیلتر نتایج به سال:
This paper describes the development of a virtual violin bow haptic human-computer interface, which senses bow position with encoders, to drive bowed-string physical model synthesis, while engaging servomotors, to simulate the haptic feedback of a violin bow on a string. Construction of the hardware and programming of the software are discussed, as well as the motivation for building the instru...
We present hydrodynamical simulations, using a 2-D two fluid model, of bow shocks in a representative regime for pulsar wind driven bow-shock nebulae. We also investigate the behaviour of a passive toroidal magnetic field wounded around the pulsar velocity direction. Moreover we estimate the opacity of the bow-shock to penetration of ISM neutral hydrogen. Finally we compare these numerical resu...
The main contribution of this paper is a new method for classifying document images by combining textual and visual features repectively extracted with the Bag of Words (BoW) and the Bag of Visual Words (BoVW) techniques. While previous attempts have been showing disappointing results by combining visual and textual features with the Borda-count technique, we’re proposing here a combination thr...
The bow leg hopper is a new design for a locomoting system with a resilient, flexible leg. It features a passive stance phase and natural pitch stability. It is controlled with actuators that configure the leg angle and stored leg energy during flight. During stance, the actuators are mechanically decoupled from the leg and the stored energy is released. The trajectory is determined by the spri...
A derecho-producing bow echo event over the Central US on 8 May 2009 is analyzed based on radar observations and a successful real-data WRF simulation at 0.8 km grid spacing. Emphasis is placed on documenting the existence, evolution and characteristics of low-level mesovortices (MVs) that form along the leading edge of the bowing system. The genesis of near-surface high winds within the system...
Foreshock ions are compared between Venus and Mars at energies of 0.6∼20 keV using the same ion instrument, the Ion Mass Analyser, on board both Venus Express and Mars Express. Venus Express often observes accelerated protons (2∼6 times the solar wind energy) that travel away from the Venus bow shock when the spacecraft location is magnetically connected to the bow shock. The observed ions have...
An analytic, small-deflection, simplified model of the modern violin bow is introduced to describe the bending profiles and related strengths of an initially straight, uniform cross-section, stick as a function of bow hair tension. A number of illustrative bending profiles (cambers) of the bow are considered, which demonstrate the strong dependence of the flexibility of the bow on longitudinal ...
We present a probabilistic approach to modeling violin bowing gestures, for the purpose of synthesizing violin sound from a musical score. The gesture models are based on Gaussian processes, a principled probabilistic framework. Models for bow velocity, bow-bridge distance and bow force during a stroke are learned from training data of recorded bowing motion. From the models of bow motion durin...
The aim of this study was to implement a supervised codebook learning methodology for optimizing the feature based Bag-of-Words(Bow) representation towards data Retrieval. Following the cluster hypothesis, that states that points within the same cluster square measure seemingly to fulfill a similar data. The Bow model are often applied to different domains furthermore, so also judge our approac...
The original bag-of-words (BoW) model in terms of image classification treats each local feature independently, and thus ignores the spatial relationships between a feature and its neighboring features, namely, the feature’s context. However, our intuition and empirical studies tell the importance of such spatial information. Although the global spatial information can be captured with the spat...
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