公开(公告)号：EP0245027A3

公开(公告)日：1989-10-18

申请号：EP87303854.1

申请日：1987-04-30

Applicant: THE GENERAL ELECTRIC COMPANY, p.l.c.

Inventor： Crayson, Paul

IPC: H04N1/41

CPC classification number: H04N1/411 ,  H04N1/4115

Abstract: Compression of digitized pictorial data is achieved by comparing a data block of a predetermined size with a group of patterns relevant to that size held in a library. If a match is found the data block is represented by an output signal by a code identifying the pattern. If no match is found the data block is sub- divided into smaller blocks which are compared with another group of patterns. This sub-division process continues until the data is matched or a predetermined minimum size of data block is reached, when the data itself is applied to the output signal. The compressed data may be reconstituted and displayed or used to monitor the progress of a vehicle.

公开(公告)号：EP0245027B1

公开(公告)日：1993-03-17

申请号：EP87303854.1

申请日：1987-04-30

Applicant: THE GENERAL ELECTRIC COMPANY, p.l.c.

Inventor： Crayson, Paul

IPC: H04N1/41

CPC classification number: H04N1/411 ,  H04N1/4115

公开(公告)号：EP0245027A2

公开(公告)日：1987-11-11

申请号：EP87303854.1

申请日：1987-04-30

Applicant: THE GENERAL ELECTRIC COMPANY, p.l.c.

Inventor： Crayson, Paul

IPC: H04N1/41

CPC classification number: H04N1/411 ,  H04N1/4115

Abstract: Compression of digitized pictorial data is achieved by comparing a data block of a predetermined size with a group of patterns relevant to that size held in a library. If a match is found the data block is represented by an output signal by a code identifying the pattern. If no match is found the data block is sub- divided into smaller blocks which are compared with another group of patterns. This sub-division process continues until the data is matched or a predetermined minimum size of data block is reached, when the data itself is applied to the output signal.
The compressed data may be reconstituted and displayed or used to monitor the progress of a vehicle.

Abstract translation: 数字化图形数据的压缩是通过将预定大小的数据块与与库中保存的那种尺寸相关的一组模式进行比较来实现的。 如果发现匹配，则通过识别图案的代码由输出信号表示数据块。 如果没有找到匹配，则将数据块细分为与另一组模式进行比较的较小块。 当数据本身被应用于输出信号时，该子分割处理继续直到数据匹配或达到数据块的预定最小大小。 压缩数据可以重构并显示或用于监视车辆的进度。