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40 results about "Partial graph" patented technology

Process and functional unit for the optimization of displaying progressively coded image data

In a process and unit for gradual decoding, archiving and graphic display of progressively decoded image data, time intervals between the time points of consecutive decoding steps, during which network users receive ever more refined image resolution when downloading image data from a central network server to the client computer using transferred and decoded partial data quantities ΔLi as preview images, are generated with abbreviated time spans that are optimized with respect to minimization of system usage by the decoding system. For this purpose, the receiving data rates for transfer of the individual partial data quantities, which are taken into account through improvements generated by the individual decoding steps of a quality metric showing the degree of image resolution and the temporary usage of the decoding system upon determination of the decoding time points. The wait times between the time points of directly consecutive decoding steps are calculated using statistical image quality parameters of received partial image data in such a manner that the decoding steps which do not lead to a perceptible improvement in the quality of a reconstructed image are suppressed.
Owner:SIEMENS HEALTHCARE GMBH

Graph data processing method applied to distributed computing node cluster and medium

The embodiment of the invention provides a graph data processing method, which comprises the following steps of: S1, obtaining graph data containing a plurality of vertexes, sorting the vertexes according to the descending order of the vertexes, and taking a sorting serial number as a first resorting ID; S2, sequentially distributing the vertexes of the graph data to each distributed computing node in a distributed computing node cluster in a polling manner according to the first reordering ID and preset granularity; S3, traversing the obtained partial graph data by the computational nodes byusing a hybrid BFS algorithm, and obtaining a local next-layer active vertex set by each computational node after each layer is traversed; S4, after each layer is traversed, performing loop communication between adjacent computing nodes to transmit a local next-layer active vertex set, and determining the compression mode of the local next-layer active vertex set to be transmitted this time beforethe local next-layer active vertex set is transmitted after partial-layer traversal. According to the invention, vertex IDs are subjected to reordering, data compression and loop communication through the out-degree of the vertexes, and the communication efficiency is improved.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI

Process for cleaning high-precision screen printing plates

The invention relates to a process for cleaning high-precision screen printing plates, which comprises the steps of: 1 rapidly taking down a screen printing plate in one minute after printing, and collecting residual silver paste on the screen printing plate in two minutes; 2 simultaneously wiping the front side and the back side of the screen printing plate with non-woven fabric wetted in a TM plate washing agent along the direction of mesh stretching angles; 3 after the both sides of the screen printing plate are cleaned by the TM washing agent, simultaneously wiping the front and the back sides of graphics fields with non-woven fabric wetted in a DM plate washing agent along the direction of mesh stretching angles, 4 checking graphs with lights, if partial graphs are invisible, simultaneously wiping the front and the back sides of the field with non-woven fabric wetted in the DM plate washing agent along the direction of mesh stretching angles, until the graphs are visible, wherein the whole wiping process is not more than ten minutes; and 5 after the screen plating plate is wiped clean, drying the screen printing plate with an ion blower gun. The process can rapidly clean the high-precision screen printing plates completely, and is quite effective to plates with high-precision screen printing silver paste that is difficult to be cleaned, has low cleaning cost, and guarantees the normal production.
Owner:TIANJIN ZHONGHUAN HI TECH

Bounded incremental graph partition method and system

The invention discloses a bounded incremental graph partition method and system. The method comprises the following steps of: partitioning an initial graph structure into a plurality of first sub-graphs by a coordinator to correspondingly obtain a plurality of first sub-partitions, and distributing the first sub-partitions to a plurality of workers; performing iterative expansion on the obtained first sub-partitions by each worker, and judging whether the first sub-partitions reach a preset equilibrium upper bound or not in the iterative expansion process, and if the first sub-partitions reachthe preset equilibrium upper bound, stopping expansion of the first sub-partitions; confirming whether update data exists or not by the coordinator; and if update data exists, combining the update data with the initial graph structure to obtain an updated partial graph structure, then partitioning the partial graph structure into a plurality of second sub-graphs and corresponding second sub-partitions, distributing the second sub-partitions to the workers, and performing iterative expansion by the workers receiving the second sub-partitions. According to the method and system, the calculationoverhead during distributed graph partition can be reduced, and the partition result is more balanced.
Owner:SHENZHEN INST OF COMPUTING SCI
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