In this paper, a new Hidden Markov Model (HMM)-based face recognition system is proposed. As a novel point despite of five-state HMM used in pervious researches, we used 7-state HMM to cover more details. Indeed we add two new face regions, eyebrows and chin, to the model. As another novel point, we used a small number of quantized Singular Values Decomposition (SVD) coefficients as feature...

 Background: Segmental vitiligo is a small subset albeit persistent form of focal vitiligo with dermatomal distribution and resistant to medical therapy. In recent years, surgical therapy as hair follicle autograft transplantation has been a hot topic in management of segmental vitiligo. In this study, we evaluated the efficacy of this method in segmental vitiligo lesions. Methods: Th...

Passive acoustic monitoring (PAM) is generally usedto extract signals produced by cetaceans. However, the large data volume from PAM process better analyzed using an automated technique such as hidden Markovmodels (HMM). In this paper, HMM used a detection and classification due to its robustness low time complexity. Nonetheless, certain parameters, choice of features be extracted signal, frame...

absract intestinal malrotation is a general term used for any deviation from normal embryonic gi tract rotations. this abnormality, denotes a spectrum of conditions (non rotation, incomplete rotation) that according to the severity of anatomic consequence, can result in complications found in infancy, childhood, adolescence, adulthood or old age. this article, reports another case of intestinal...

Oil and gas pipeline leakages lead to not only enormous economic loss but also environmental disasters. How detect the damages including cracks has attracted much research attention. One of promising leakage detection method is use zirconate titanate (PZT) transducers negative pressure wave when occurs. PZT can generate guided stress waves for crack also. However, or may be easily detected with...

idiopathic or spontaneous segmental infarction of omentum is a rare disease producing acute abdominal emergency. this rare entity is in a small group of abdominal emergencies with circulatory compromise. infarction could be caused by omental torsion which could be due to adhesion of a previouse surgery or it could be spontaneous. less than 150 cases of idiopathic segmental infarction of omentum...

segmental defects of the tibia are challenging therapeutic problems for both the physician and the patient. these defects may be caused by severe trauma, infection, tumors and congenital processes. several different techniques have been described for treatment of these defects including the papineau technique, allograft reconstruction, bone transport using the ilizarov frame, free vascularized ...