Penapisan Citra dengan Tapis Tanggapan Impuls Berhingga 2D yang Berbasiskan Transformasi Fourier Cepat 1D  

Oleh:

Sumarno, Linggo

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: SIGMA: Jurnal Sains dan teknologi vol. 3 no. 2 (Jul. 2000), page 127-136.
Topik: FFT 1D; FFT 2D; FIR 2D; Image Filtering

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS25.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Image filtering can be performed by using two-dimensional Finite Impulse Response (FIR 20) filter in the time domain or frequency domain. In the time domain, it can be done directly by using convolution, whereas in the frequency domain indirectly by using two-dimensional Fast Fourier Transform (FFT 20). Based on the separable property of Fourier Transform, 20 transformations can be realized by means of a succession of 1D transformations along each of the dimension axes. In this research we prove that image filtering can be performed using FiR 20 filter based on FFT ID, by means of a successIon of row and column processings.

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