Current Solid Freeform Fabrication (SFF) technologies can manufacture, directly from digital data, end-use mechanical parts in an increasingly wide variety of engineering materials. However, commercial SFF systems remain costly, complex, proprietary, and are limited to working with one or two proprietary materials during the course of building a part, hindering their broader application and the...

Software methods in Mathematica are presented for creating visually interesting 3D forms to be produced on solid freeform fabrication (SFF) machines. Concise examples demonstrate fundamental techniques of procedural design that can be combined and extended in many creative ways. This overview should interest non-programmers who attend mathematical art exhibits of SFF objects and wonder where to...

The conventional shape-from-focus (SFF) methods have inaccuracies because of piecewise constant approximation of the focused image surface (FIS). We propose a scheme for SFF based on representation of three-dimensional (3-D) FIS in terms of neural network weights. The neural networks are trained to learn the shape of the FIS that maximizes the focus measure.

The design and implementation of a feature-based software system for the Solid Freeform Fabrication (SFF) process is discussed. For the SFF process to be an effective design tool in a manufacturing system, the tight integration of the process into a feature-based CAD system is desired. A feature set for determining the optimal part orientation is identified, and the procedure is described.

We numerically study the evolution of spectral correlations in entanglement Hamiltonian (EH) non-interacting fermions Aubry-Andr\'e-Harper (AAH) model. analyze time EH spectrum a nonequilibrium setting by studying several quantities: distribution, level statistics, entropy, and form factor (SFF) context delocalization-localization transition AAH It is observed that SFF delocalized phase at phas...

In an initial study it was shown that (without hormonal influences) middle-aged (premenopausal) women show a smaller frequency and intensity range and a lower fundamental frequency of the voice compared to young women. To investigate the impact of menopause on voice and nasal resonance a cross-sectional non-randomized study design was used. Vocal characteristics and nasal resonance in premenopa...

Bursts are produced by closing the oral tract at a place of articulation and suddenly releasing the acoustic energy built-up behind the closure in the tract. The release of energy is an impulselike behavior, and it is followed by a short duration of frication. The burst release is short and mostly weak in nature (compared to sonorant sounds), thus making it difficult to detect its presence in c...

Shape From Focus (SFF) is a popular technique in the field of computer vision for scene reconstruction. The SFF technique is based on the fact that the focus levels of the pixels of the image preserves depth information. Conventionally SFF is implemented using telecentric lenses which avoid parallax effects, when there is a relative motion between the camera and the scene. This becomes the chie...

The conventional shape-from-focus (SFF) methods have inaccuracies because of piecewise constant approximation of the focused image surface (FIS). We propose a scheme for SFF based on representation of three-dimensional (3-D) FIS in terms of neural network weights. The neural networks are trained to learn the shape of the FIS that maximizes the focus measure.