An improved adaptive wiener filtering algorithm for super-resolution

نویسندگان

  • Kyle Xiang Zhang
  • Yuk-Hee Chan
  • Wan-Chi Siu
چکیده

This paper presents an improved adaptive Wiener filtering algorithm for super-resolution reconstruction. When interpolating the high resolution pixels, the proposed algorithm locally adjusts the correlation model of the pixels by taking edge information into account. Simulation results show that the proposed algorithm produces SR outputs of better quality, both subjectively and objectively, as compared with the conventional approach. Index Terms — Adaptive Wiener Filtering, SuperResolution, Non-Uniform interpolation.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

An Iterative Super Resolution Algorithm Based On Adaptive FIR Wiener Filtering

Biopolis, Singapore, 14-17 December 2010. Abstract Aiming at image/video super resolution applications, this paper presents a spatially adaptive FIR wiener filter for super resolution reconstruction. Missing high resolution samples can be estimated as the weighted sum of nearby low resolution samples. In the proposed algorithm, the optimal weighting coefficients for each of nearby low resolutio...

متن کامل

Adaptive-Filtering-Based Algorithm for Impulsive Noise Cancellation from ECG Signal

Suppression of noise and artifacts is a necessary step in biomedical data processing. Adaptive filtering is known as useful method to overcome this problem. Among various contaminants, there are some situations such as electrical activities of muscles contribute to impulsive noise. This paper deals with modeling real-life muscle noise with α-stable probability distribution and adaptive filterin...

متن کامل

Robust Multiple Emitter Localization and Interference Mitigation Using Adaptive Antenna Array

Abstract: This paper outlines a method to apply robust adaptive beamforming algorithms to a multi-channel linear array antenna to produce accurate direction of arrival (DOA) estimates of multiple RF emitters in a multipath interference environment. Advanced adaptive Wiener filtering is used to produce robust super-resolution DOA estimates of both direct and multipath signals from which spatial ...

متن کامل

Blind Single-Image Super Resolution Reconstruction with Defocus Blur

A blind single-image super resolution method is proposed to enhance the spatial resolution of the image with defocus blur. Firstly, according to the low resolution imaging model, a framework of blind singleimage super resolution reconstruction is presented. Secondly, utilizing Wiener filtering algorithm, the errorparameter curve of the defocus blurred image was generated, through which the defo...

متن کامل

A collaborative adaptive Wiener filter for multi-frame super-resolution

Factors that can limit the effective resolution of an imaging system may include aliasing from under-sampling, blur from the optics and external factors, and sensor noise. Image restoration and super-resolution (SR) techniques can be used to improve image resolution. One SR method, developed recently, is the adaptive Wiener filter (AWF) SR algorithm. This is a multi-frame SR method that combine...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2009