Identifying digital cameras using CFA interpolation


Bayram S., Sencar H., Memon N.

2nd International Conference on Digital Forensics, Florida, Amerika Birleşik Devletleri, 29 Ocak - 01 Şubat 2006, cilt.222, ss.289-291 identifier identifier

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Cilt numarası: 222
  • Doi Numarası: 10.1007/978-0-387-36891-7-23
  • Basıldığı Şehir: Florida
  • Basıldığı Ülke: Amerika Birleşik Devletleri
  • Sayfa Sayıları: ss.289-291
  • Bursa Uludağ Üniversitesi Adresli: Evet

Özet

In an earlier work [4], we proposed a technique for identifying digital camera models based on trace evidence left by their proprietary interpolation algorithms. This work improves on our previous approach by incorporating methods to better detect interpolation artifacts in smooth image parts. To identify the source camera model of a digital image, new features that can detect traces of low-order interpolation are introduced and used in conjunction with a support vector machine based multiclass classifier. Experimental results are presented for source camera identification from among multiple digital camera models.