PURPOSE To compare clinical and radiographic results of anterior cruciate ligament (ACL) reconstruction using modified transtibial technique (mTT), anteromedial (AM) portal technique and outside-in (OI) technique. MATERIALS AND METHODS From March 2007 to December 2012, ACL reconstruction was performed using the mTT, AM portal technique and OI technique in 20 patients each. Anteroposterior and...

Two of the most popular image quality measures are the root mean square and signal-to-noise ratio. Unfortunately these measures are simple tallies of pixel difference and provide no information about the type of degradation present. Although simple, and consequently provide computational benefits, the RMS and SNR measures cannot meaningfully be applied to images containing text or binary images...

Despite the exponential WWW growth and the success of the Semantic Web, there is limited support today to handle the information found on the Web. In this scenario, techniques and tools that support effective information retrieval are becoming increasingly important. In this work, we present a technique for recognizing and comparing the visual structural information of Web pages, The technique ...

The evaluation of e-learning applications deserves special attention, and evaluators need effective methodologies and appropriate guidelines to perform their task. In this paper, we present a comparison of different techniques and describe the methodology of an experiment aimed to unveil strengths and weaknesses of Heuristic Evaluation, Direct Observation and SUE Inspection. The experiment was ...