the estimation of metallurgical parameters of flotation process from froth visual features is the ultimate goal of a machine vision based control system. in this study, a batch flotation system was operated under different process conditions and metallurgical parameters and froth image data were determined simultaneously. algorithms have been developed for measuring textural and physical froth ...

purpose: to describe the clinical and photographic features of a patient who developed left homo-nymous hemianopia due to right occipital lobe hemorrhage after ingestion of sildenafil citrate (viagra). case report: a 63-year-old man was referred for acute blurred of vision in both eyes five hours after taking 50 mg viagra® (sildenafil citrate). visual field testing revealed left homonymous hemi...

Image retrieval is an important research field which has received great attention in the last decades. In this paper, we present an approach for the image retrieval based on the combination of text-based and content-based features. For text-based features, keywords and for content-based features, color and texture features have been used. Query in this system contains some keywords and an input...