TY - JOUR ID - TI - Compression Of Aerial Image Data Using Adaptive Discrete Cosine Transform (ADCT,) AU - Ebtesam Fadhel Kanger PY - 2009 VL - IS - 3 SP - 391 EP - 405 JO - Journal of College of Education مجلة كلية التربية SN - 18130380 AB - Theamountofdataassociatedwithvisualinformationissolarge that its storage wourd require_-enonnous capacity. Althoughthe capacities of several storage media'In order to reduce the volume of pictorial data wtrich one mayneed to store or transmit, the research modifies a method for imagedatacompressionbasedonthenewalgorithmto-optimizethe"o*pr.rrionperformance by DCT classification scheme for theimage blocks is aaoptea, u bit allocation matrices them, designedtoassignagivennumuerofbitsforeachretainedtransformedcoefficients.

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