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A Virtual Cash Dispenser for Persons with Acquired Brain Injury

Brain injury rehabilitation is a long and difficult process that includes training of so-called instrumental activities of daily living (IADL). This type of training involves activities like preparing meals, doing housework, grocery shopping etc. and it is often used by occupational therapists when they teach brain injury patients how to manage their daily life. A computer-generated Virtual Enviro

Who controls logistics emissions? Challenges in making fragmented supply chains environmentally sustainable from a logistics service provider's perspective

Purpose The purpose of this article is to explore the environmental impact of Logistics Service Provider (LSP) activities in the light of increased customer attention and fragmentation of the industry. We try to answer the question, to what extent the LSPs can actually monitor the environmental impact of logistics activities in the supply chain? Design/methodology/approach The methodology of this

Batch Recipe Structuring using High-Level Grafchart

The paper presents how object-oriented sequential function charts can be used to implement a batch control recipe management system. Grafchart, a toolbox based on Grafcet, object-oriented programming ideas and High-level Petri nets, is presented. It is shown how the concepts of H-L Grafchart fit the models defined in the forthcoming ISA batch control standard SP88. A simulated batch process cell s

Digital mammography and tomosynthesis for breast cancer diagnosis

Introduction: Mammography is one of the most common X-ray examinations although it is well-known that the anatomical background of the breast is the main obstacle when it comes to detection of breast lesions with this method. Tomosynthesis is a three-dimensional radiographic technique which, to a large extent, can suppress the confounding effect of the anatomical background. Tomosynthesis is a str

Impulse Response Identification Applied to Estimation of Event-Related Potentials and Non-Intrusive Echo Path Analysis

Popular Abstract in Swedish I den här avhandlingen studeras problem från två områden, medicin och kommunikation. Den medicinska delen behandlar skattning av Händelserelaterade signaler (Event-related Potentials, ERP). Dessa signal uppkomer i hjärnan då försökspersonen stimuleras via yttre påverkan, t.ex ljusblinkning, pipljud eller elektrisk stimulering av huden. De händelserelaterade signalerna kThis thesis consists of five parts in which problems in two fields, medical and telecommunication, have been studied. In the first part, a prediction algorithm, the Prony method, for estimation of frequencies and damping factors of sinusiods is developed for a coloured noise disturbance. The method is applied to estimating a single Event-Related Potential, sERP, and the estimation principle is ev