G - Physics – 06 – K
Patent
G - Physics
06
K
354/244
G06K 9/00 (2006.01) G06F 12/02 (2006.01) G06T 1/60 (2006.01)
Patent
CA 1092720
A METHOD AND APPARATUS FOR ACCESSING HORIZONTAL SEQUENCES, VERTICAL SEQUENCES, AND RECTANGULAR SUBARRAYS FROM AN ARRAY STORED IN A MODIFIED WORD ORGANIZED RANDOM ACCESS MEMORY SYSTEM Abstract of the Disclosure A conventional word organized random access memory is modified for image processing operations so that the pq image points of any l x pq, pq x l or pxq subarray of an rp x sq or smaller image array stored in the memory can be extracted or updated in a single memory cycle. The invention contemplates pq + l memory modules labeled from O to pq for storing the image points, each module being capable of storing rs points in distinguishable cells, only one cell of which is randomly accessible in a single instant of time. The invention further contemplates accessing circuitry for causing each image point I(i,j) of an image array to be routed to or from a memory module M(i,j) according to the relation M(i,j)=(iq+j)//(pq+l), where the notation "//" denotes the remainder resulting from integer division. The accessing circuitry additionally causes image point I(i,j) to be stored into or retrieved from a cell location A(i,j) of module M(i,j) according to the relation A(i,j)=(i/p)s + (j/q).
287500
International Business Machines Corporation
Na
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