The increasing amount of digital audiovisual information and the need to efficiently and effectively describe and retrieve this information as well as the big technological developments in the related domains have been acknowledged by the MPEG (Moving Pictures Experts Group) standardization group which initiated a new work item, formally called “Multimedia Content Description Interface” but bet...

Automatic content extraction from multimedia files is a hot topic nowadays. Moving Picture Experts Group develops MPEG-7 standard, which aims to define a unified interface for multimedia content description, including audio data. Audio description in MPEG-7 comprises features that can be useful for any content-based search of sound files. In this paper, we investigate how to optimize sound repr...

background : learning in a clinical environment is an inseparable part of a training program in medical education. to evaluate the quality of training in a clinical environment, a comprehensive questionnaire which is adjusted for local purposes is essential. this study was conducted to determine the validity and reliability of activities coaching context (acc)-questionnaire from the perspective...

although the validity of content of program is mostly conducted with qualitative methods, this study used both qualitative and quantitative methods for the validation of content of post marriage training program provided for newly married couples. content validity is a preliminary step of obtaining authorization required to install the program in country's health care system.this mixed methodol...

ObjectiveThis study aims to develop and test the Self-Management instrument for breast cancer patients undergoing Adjuvant Therapy (SMAT-B).MethodsAfter a qualitative interview with 29 two rounds of Delphi expert consultation 15 experts, 49 items were initially generated. Before item reduction, another structured was conducted content validity. Item analysis exploratory factor (n=377) used redu...

the purpose of this study was analyzing perception of agricultural college experts and managers of islamic azad university shoushtar branch regarding development of knowledge management. agricultural college experts and managers were considered as a statistical population (n=38). this research was conducted in june 2012 to april 2013. all individuals were investigated. after confirm the validit...

The ISO/IEC Motion Picture Group (MPEG) issued in 2002 a standard, called MPEG-7, which enables the content description of multimedia data in XML. The standard supports applications to exchange, identify, and filter multimedia contents based on MPEG-7 descriptions. However, especially mobile applications that deal with MPEG-7 suffer from limited bandwidth, low computational power, and limited b...