Abstract:
PURPOSE: A preprocessing method which is performed before an image compression, an adaptability motion estimating method for improving an image compression rate, and an image data providing method for each image type are provided to improve a compression rate of an image by adaptively controlling a block size and the number of partitions according to the type of the image. CONSTITUTION: A preprocessing unit extracts multiple sample frames from an image (S401). The preprocessing unit calculates the minimum value of the error sum of each block which corresponds to a reference sample frame about each block which is included in an arbitrary current sample frame among the extracted sample frames (S403). The preprocessing unit generates an object for each area based on the distribution of the calculated minimum value (S404). The preprocessing unit calculates a motion reference value by tracing the motion of the object in the multiple sample frames (S405). The preprocessing unit determines the type of the image by a comparison between the motion reference value and a predetermined threshold value (S406,S407). [Reference numerals] (AA) Start; (BB) End; (S401) Extract multiple sample frames; (S402) Lead SSE limit value of three types of images (good, fair and poor); (S403) Extract SEE between frames within the range of exploring surroundings of corresponding block; (S404) Generate an object for each area; (S405) Trace the motion between frames; (S406) Compare the reference value about tracing motion tracing to the threshold value; (S407) Classify motion image types and store; (S408) Set the size of block about object image and surrounding image; (S409) Set initial size of block per frame and partition value; (S410) Set extra candidate list of block size and partition value; (S411) Set the size and partition value based on user setting
Abstract:
PURPOSE: An index information management apparatus of SLA system and index information management method are provided to efficiently apply various indexes to each subscriber by processing an index change request of a subscriber. CONSTITUTION: An external linkage processor(210) receives a customized service application according to a subscriber. A quality manager(220) extracts necessary information from the external linkage processor. An indicator management interface(230) confirms the property of the information outputted from the quality manager. A table storage unit(250) stores the index information of the SLA system.
Abstract:
PURPOSE: A method for controlling a priority of a traffic in an ATM switching system and a traffic managing buffer using the same are provided to enhance an efficiency in using a buffer and performance of a network by improving a throughput of the buffer even for a cell with a low priority. CONSTITUTION: A main buffer(310) simultaneously receives a real time service cell and a non-real time service cell. Auxiliary buffers(S-1)(320)(S-2)(330) store a cell service 3, a non-real time service cell, and a cell service 4 transmitted according to a threshold values of the main buffer(310) and the auxiliary buffer(S-1)(320) and a threshold value of the auxiliary buffer(S-2)(330). A server(340) provides cell service. When the main buffer(310) is greater than an M-threshold value, a cell of a real time service of the main buffer(313) is discharged. If a non-real time cell of the main buffer has a high LP(Loss Priority), it is transmitted to the auxiliary buffer(S-1)(320), whereas if a non-real time cell has a low LP, it is transmitted to the auxiliary buffer(S-2)(330). The auxiliary buffer does not discharge a cell. If the main buffer(310) is smaller than the M-threshold value, a priority of a cell in a standby state for discharging in the main buffer(310) and a priority of a cell in a standby state for discharging in the auxiliary buffers(S-1)(320)(S-2)(330) are compared, and a cell of the auxiliary buffer(S-1)(320) and the auxiliary buffer(S-2)(330) is selectively provided.