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回転群と画像の分解・強調・構造化再構成に関する計算機シミュレーション COMPUTER SIMULATION ON RESOLUTION, ENHANCEMENT AND STRUCTURED RECONSTRUCTION OF IMAGES WITH INVARIANCE UNDER ROTATION GROUP カイテングン ト ガゾウ ノ ブンカイ キョウチョウ コウゾウカ サイコウセイ ニ カンスル ケイサンキ シミュレーション 鈴木, 昇一 It is desirable that deformations appearing in input patterns to be recognized should be removed as soon as possible. In this sense, we must construct a pattern-information system which can recognize patterns under invariant conditions over translation, rotation, magnification, etc.. In the first place a family f(H) = { f (H) ?θl(H); l ? L of spatial filters to resolve an input eight-valued pattern (a handwritten Chinese character) into its orthogonal direct sum components and to enhance contrast is designed by way of a Fourier transform and a Laplace transform for additive operators. In the next place we construct a structured-model mapping to form a corresponding structurally reconstructed pattern (which will remain invariant over the rotation group) of the input pattern. Successful performance of the resolution, the enhancement and the structured reconstruction demonstrated by a digital computer simulation. 文教大学 1983-01-01 jpn departmental bulletin paper VoR https://bunkyo.repo.nii.ac.jp/records/3299 03893367 情報研究 Information and Communication Studies 4 36 56 https://bunkyo.repo.nii.ac.jp/record/3299/files/BKSJ040005.pdf application/pdf 1.2 MB 2018-03-24