Noise characterization in web cameras using independent component analysis

Mohammad Asmat Ullah Khan*, Tariq Mahmood Khan, Rabia Bahadar Khan, Atiqa Kiyani, Muhammad Aurangzeb Khan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


An image captured by a web camera contains stationary and nonstationary noise patterns. These noise patterns are of three types i.e. Fixed Pattern Noise (FPN), Interactive Nose (IN) and Temporal Noise (TN). TN is an independent noise pattern and needs an algorithm that does exploit its higher-order dependencies. Previously, these noise patterns have been characterized using Principal Component Analysis (PCA). PCA is restricted to second order dependencies. In this paper Independent Component Analysis (ICA) has been investigated for actual TN noise. The experimental results demonstrates the effectiveness of the proposed method.

Original languageEnglish
Pages (from-to)302-311
Number of pages10
JournalInternational Journal of Computers, Communications and Control
Issue number2
Publication statusPublished - 2012
Externally publishedYes


  • Fixed pattern noise
  • Independent component analysis
  • Interaction noise
  • Principle component analysis
  • Temporal noise


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