This paper deals with optimization techniques that can make very large vocabulary voice dictation applications deployable on recent mobile devices. We focus namely on optimization of signal parameterization (frame rate, FFT calculation, fixedpoint representation) and on efficient pruning techniques employed on the state and Gaussian mixture level. We demonstrate the applicability of the propose...

We illustrate some recent results on exact solutions to discrete-time l1-norm minimization problems with convolution constraints. A fixed-point property for this class of problems is introduced. The convolution constraints can be interpreted as a dynamic system with initial conditions. We show by construction that optimal solutions with a rational Z-transform exist for any initial conditions sa...

The complexity of modern communication systems, particularly in the wireless domain, grows at an astounding rate, which causes increasing time-to-market. In order to provide a shorter timeto-market, mostly manually performed design tasks are to be overcome and an automation of the design process is needed. This paper presents approaches for automated design steps starting with high level algori...

Effective memory utilization is critical to reap the benefits of the multi-core processors emerging on embedded systems. In this paper we explore the use of a stream model to effectively utilize memory hierarchies. We target image processing algorithms running on the Analog Devices Blackfin BF561 fixedpoint, dual-core DSP. Using optimized assembly to effectively use cores reduces runtime, but a...

* Correspondence: [email protected]. jo Department of Mathematics, The Hashemite University, Zarqa 13115, Jordan Full list of author information is available at the end of the article Abstract In this article, we prove the existence of common coupled coincidence and coupled fixed point of generalized contractive type mappings in the context of two generalized metric spaces. These results generalize...