De noising and Sharpening of Color Filter Captured Images using Adaptive Transformation

2013 ◽  
Vol 2 (3) ◽  
pp. 1-6
Author(s):  
D. Anitha ◽  
S. Ramya
Keyword(s):  
Color Filter

Random Color Filter Arrays are Better than Regular Ones

2016 ◽  
Vol 2016 (1) ◽  
pp. 294-299 ◽  
Author(s):  
Prakhar Amba ◽  
Jérôme Dias ◽  
David Alleysson
Keyword(s):  
Color Filter ◽  
Better Than

A practical approach on non-regular sampling and universal demosaicing of raw image sensor data

2020 ◽  
Vol 2020 (1) ◽  
pp. 91-95
Author(s):  
Philipp Backes ◽  
Jan Fröhlich
Keyword(s):  
Image Quality ◽  
Source Code ◽  
Image Sensor ◽  
Sensor Data ◽  
Color Filter ◽  
Lowpass Filter ◽  
Sampling Errors ◽  
Regular Sampling ◽  
Single Sensor ◽  
Similar Image Quality

Non-regular sampling is a well-known method to avoid aliasing in digital images. However, the vast majority of single sensor cameras use regular organized color filter arrays (CFAs), that require an optical-lowpass filter (OLPF) and sophisticated demosaicing algorithms to suppress sampling errors. In this paper a variety of non-regular sampling patterns are evaluated, and a new universal demosaicing algorithm based on the frequency selective reconstruction is presented. By simulating such sensors it is shown that images acquired with non-regular CFAs and no OLPF can lead to a similar image quality compared to their filtered and regular sampled counterparts. The MATLAB source code and results are available at: http://github. com/PhilippBackes/dFSR

Toward blind joint demosaicing and denoising of raw color filter array data

2021 ◽  
Author(s):  
Fangfang Wu ◽  
Tao Huang ◽  
Weisheng Dong ◽  
Guangming Shi ◽  
Zhonglong Zheng ◽  
...  
Keyword(s):  
Color Filter ◽  
Color Filter Array ◽  
Array Data ◽  
Filter Array

Surface plasma resonance color filter with wider color gamut

2021 ◽  
pp. 127127
Author(s):  
Jian Gu ◽  
Yu Zhang ◽  
Yu Miao ◽  
Xinmiao Lu ◽  
Xiumin Gao
Keyword(s):  
Plasma Resonance ◽  
Color Filter ◽  
Surface Plasma ◽  
Color Gamut ◽  
Surface Plasma Resonance

scholarly journals Adaptive Wiener filter super-resolution of color filter array images

2013 ◽  
Vol 21 (16) ◽  
pp. 18820 ◽  
Author(s):  
Barry K. Karch ◽  
Russell C. Hardie
Keyword(s):  
Wiener Filter ◽  
Super Resolution ◽  
Color Filter ◽  
Color Filter Array ◽  
Filter Array
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