block diagram of the new , modified , sliding window , scheme
{"Image Orientation": "Horizontal (normal)", "Image XResolution": "113", "Image YResolution": "113", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS5 Macintosh", "Image DateTime": "2015:01:20 14:49:59", "Image ExifOffset": "164", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "113", "Thumbnail YResolution": "113", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "302", "Thumbnail JPEGInterchangeFormatLength": "8103", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "2167", "EXIF ExifImageLength": "1965"}