We present an algorithm for estimating the color demixing matrix based on the color fringe patterns captured from the reference plane or the surface of the object. The advantage of this algorithm is that it is a blind approach to calculating the demixing matrix in the sense that no extra images are required for color calibration before performing profile measurement. Simulation and experimental...

This paper presents an electronic travel aid for blind people to navigate safely and quickly, an obstacle detection system using UVC camera based visual navigation has been considered. The proposed system detects the obstacles up to 300 cm via sonar and sends feedback in form of beep sound to inform the person about its location. In addition to this, an UVC webcam is connected to 32 bit ARM mic...

Software modeling is generally a collaborative activity and typically involves graphical diagrams. The Unified Modeling Language (UML) is the de facto standard for modeling object-oriented software. It provides notations for modeling a system’s structural information (e.g. databases, sensors, controllers, etc.), and behavior, depicting the functionality of the software. Because UML relies heavi...

Efforts to address all disabilities are still very limited in the Lao People's Democratic Republic (PDR). Nevertheless, certain categories of disability have achieved a higher level of institution-centred attention. This attention is limited to the field of medical rehabilitation (amputees and movement-impaired persons). Further assistance such as education, vocational training and income gener...