While we already know that Qualcomm's Snapdragon S4 will offer a quad-core variant, incorporate LTE and use a 28nm manufacturing process, the company posted an article to its media blog ahead of Mobile World Congress showcasing the new features provided by the chipset's Image Signal Processor. You're likely familiar with some of the imaging functionality available in Qualcomm's existing Snapdragon processors -- technology like Scalado's Rewind (pictured above) which
