In the MPEG-2 Test Model 5, the down-conversion of an interlaced sequence is obtained by preeltering and sub-sampling each eld of the image sequence after it has been fully decoded. Although the quality is very good, the cost of such a system is quite high due to large memory requirements. As a result, low-resolution decoders have been proposed to reduce some of the costs incurred by this schem...

Objective(s): Non-invasive treatment options for retinoblastoma (RB), the most common malignant eye tumor among children, are lacking. Epithelial growth factor receptor (EGFR) accelerates cell proliferation, survival, and invasion of many tumors including RB. However, RB treatment by targeting EGFR has not yet been researched. In the current study, we investigated the effect of EGFR down-regula...

The Iceberg-Cube problem is to apply an aggregate function over a set of attributes to determine which combinations of attribute values are above a specified aggregate threshold. We implemented bottom-up and top-down methods for this problem. The bottom-down method we used already used pruning. Results show that even when the top-down method employed pruning, it was slower than the bottom-up me...

introduction: meatoplasty is the final and essential step in performing effective canal wall down surgery for chronic otitis media. in this article we review some previous techniques and discuss our preferred method. materials and methods: in this observational case series study, we used this technique in 53 patients (28 male and 25 female) between january 2005 and january 2008. our survey was ...

child with down's syndrome is an individual who is suitable and eligible to receive early intervention services. this study aimed to measure the family outcome among parents of down syndrome children, on the impact of receiving early intervention and identify the factors influencing it.a cross sectional was conducted from april 2009 until january 2010 with a total of 125 parents of children wit...

introduction: mental retardation, is one of the most common causes for referral to genetic counseling centers, and is one of the greatest challenges in health care services in the world. down syndrome is the most common chromosomal abnormalities in humans. methods: this study performed in medical genetic counseling center of welfare organization in south of iran with high consanguineous marriag...