Patent ID: 8787446
Filing Date: 2014-07-22
Classification: G08B,H04N

Abstract:
1. A method of transmitting image data via a multi-channel Digital Video Recorder (DVR), the method comprising: receiving, from a plurality of cameras via a plurality of channels, a plurality of image data, respectively; downsampling, by the multi-channel DVR, each of the plurality of image data into N layers corresponding to different display sizes of each of the plurality of image data, respectively, each of the N layers being smaller in size than an original size of each of the corresponding plurality of image data, an nth layer of the N layers being generated by collecting every nth pixel of each of N pixels of each of the corresponding plurality of image data in a lateral and vertical direction, where n is a natural number smaller than or equal to N and N is a natural number larger than 1; compressing the downsampled N layers for the different display sizes of each of the corresponding plurality of image data; and transmitting, to a counterpart DVR connected to the multi-channel DVR via a network, more than one of the downsampled and compressed N layers for displaying each of more than one of the corresponding plurality of image data of a particular size on the counterpart DVR, wherein a first layer of each the more than one of the downsampled and compressed N layers for displaying each of more than one of the corresponding plurality of image data of the particular size is transmitted to the counterpart DVR and subsequently remaining layers of each the more than one of the downsampled and compressed N layers for displaying each of more than one of the corresponding plurality of image data of the particular size are transmitted to the counterpart DVR, and wherein, when a display size of the counterpart DVR for a particular image data of the corresponding plurality of image data is greater than a screen size of the downsampled and compressed N layers for displaying the particular image data of the particular size, all of the downsampled and compressed N layers for displaying the particular image data of the particular size are transmitted.