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A Technique for Evaluation of CCD Video-Camera Noise

K. Irie, A.E. McKinnon, K. Unsworth, I.M. Woodhead
2008 IEEE transactions on circuits and systems for video technology (Print)  
A comprehensive noise model for CCD cameras was used to evaluate the technique on a commercially available CCD video camera.  ...  This paper presents a technique to identify and measure the prominent sources of sensor noise in commercially available charge-coupled device (CCD) video cameras by analysis of the output images.  ...  This study presents a technique for the measurement of charge-coupled device (CCD) video-camera noise components based upon measurement of output images alone.  ... 
doi:10.1109/tcsvt.2007.913972 fatcat:ycshc7vfdbf37izq727axnth7m

Real-Time X-Ray Image Processing; Techniques for Sensitivity Improvement Using Low-Cost Equipment [chapter]

R. M. Wallingford, J. N. Gray
1995 Review of Progress in Quantitative Nondestructive Evaluation  
We first consider the noise process in the camera itself. A typical CCD video camera might have a SIN figure of 54 dB with a 1 volt peak-to-peak video signal.  ...  Figure 7 shows an acquired image of a resolution gauge from the scintillating glass using a low-cost Cohu CCD video camera.  ...  Resolution gauge image obtained from the scintillating glass detector using a low-cost CCD camera Figure 8 .  ... 
doi:10.1007/978-1-4615-1987-4_109 fatcat:n52dzesbubcptnejsivsnn4vtu

Noise analysis and measurement of time delay and integration charge coupled device

De-Jiang Wang, Tao Zhang
2011 Chinese Physics B  
Then we propose a new technique to identify and measure sources of TDI CCD noise employing mathematical statistics theory, where theoretical analysis shows that noise estimated formulation converges well  ...  After introducing the complete sources of CCD noise, we study the effects of TDI operation mode on noise, and the relationship between different types of noise and number of the TDI stage.  ...  [13] presented a technique to identify and measure the prominent sources of sensor noise in commercially available CCD video cameras by the analysis of the output images.  ... 
doi:10.1088/1674-1056/20/8/087202 fatcat:vqkgkqdlenhmrd37zjofhl3pmm

Detecting Video Forgeries Based on Noise Characteristics [chapter]

Michihiro Kobayashi, Takahiro Okabe, Yoichi Sato
2009 Lecture Notes in Computer Science  
The recent development of video editing techniques enables us to create realistic synthesized videos.  ...  Forged regions from another video camera taken under different conditions can be differentiated when the noise characteristics of the regions are inconsistent with the rest of the video.  ...  Noise Level Function of Video A CCD digital camera converts photons into electrons and finally into bits. This signal processing has been studied for a long time [3, 13] .  ... 
doi:10.1007/978-3-540-92957-4_27 fatcat:yrw6srtacrblhgquszyduuacwe

Shearography with Synchronized Pressure Stressing [chapter]

Tom Chatters, Bruno Pouet, Sridhar Krishnaswamy
1993 Review of Progress in Quantitative Nondestructive Evaluation  
ACKNOWLEDGMENT This work was carried out at Northwestern University in the course of research sponsored by the FAA Center for Aviation Systems Reliability, operated by Ames Laboratory, USDOE, for the Federal  ...  W-7405-ENG-82 for work at Iowa State University.  ...  The CCD camera acquires a series of speckle images into the image processor at video rates.  ... 
doi:10.1007/978-1-4615-2848-7_54 fatcat:nneswcqypjdofodrlofh3shdfq

Using a Monte-Carlo-based approach to evaluate the uncertainty on fringe projection technique [article]

Jérôme Molimard, Laurent Navarro
2013 arXiv   pre-print
Two applications are given: at a macroscopic scale, phase noise is predominant whilst at microscopic scale, both phase noise and calibration errors are important.  ...  A complete uncertainty analysis on a given fringe projection set-up has been performed using Monte-Carlo approach. In particular the calibration procedure is taken into account.  ...  or the angle θ between the CCD camera and the video-projector.  ... 
arXiv:1307.4842v1 fatcat:5bmvc6jzovalrchqj57t62dqvu

Page 884 of SMPTE Motion Imaging Journal Vol. 94, Issue 9 [page]

1985 SMPTE Motion Imaging Journal  
For tube cameras, there is a long re- cord of experience in developing static Figure 5.  ...  In a CCD, blooming could which may be thought of as gutters, SNR/Sensitivity result from lateral spreading of excess _ carry off any overflow of charge and A tube camera’s signal-to-noise charge into adjacent  ... 

A Digital Camera and Real-Time Image Correction for Use in Edge Location

D. Hutber. BAe, S. Wright
1987 Procedings of the Alvey Vision Conference 1987  
The use of a high-fidelity camera in performing experiments to calculate the errors in a lens and CCD array is described, and the results are compared with a standard technique for camera calibration.  ...  A pipeline architecture for real-time calibration of the image is proposed.  ...  For these reasons, a high fidelity image capture system was built that is based on a Sanyo CCD evaluation board [4] interfaced to a personal computer.  ... 
doi:10.5244/c.1.20 dblp:conf/bmvc/HutberW87 fatcat:td3h45jxtrgifakipk3gexyh7e

Uncertainty on fringe projection technique: A Monte-Carlo-based approach

Jérôme Molimard, Laurent Navarro
2013 Optics and lasers in engineering  
Here, a high level calibration 10 procedure based on pinhole model has been implemented. This model compensates for the 11 divergence effects of both the video-projector and the camera.  ...  6 Error estimation on optical full field techniques (OFFT) is millstone in the diffusion of OFFT. 7 The present work describes a generic way to estimate overall error in fringe projection, either 8 due  ...  Acknowledgements 20 Authors thank Yunjin Kim, from Korean Advanced Institute of Science and Technology for 21 her help on this work. 22  ... 
doi:10.1016/j.optlaseng.2013.01.023 fatcat:3ihl472zvzep3dqravmp7q66m4

Frequency-based image analysis of random patterns: an alternative way to classical stereocorrelation [article]

Jérôme Molimard (IFRESIS-ENSMSE, CIS-ENSMSE, STBio-ENSMSE, LGF-ENSMSE), Gaetan Boyer, Hassan Zahouani
2013 arXiv   pre-print
Analysis is based on two pin-hole assumptions for the video-projector and the camera. Then, fringe projection is coupled to in-plane displacement to give rise to 3D measurement set-up.  ...  The distortion is identified without any assumption on the lens model because of the use of a grid technique approach. Last, shape measurement and shape variation is caught by fringe projection.  ...  Avril for his help to this work.  ... 
arXiv:1311.3864v1 fatcat:tovlwwk4jnh4fldjt3udc77slu

Digital Video Image Processing from Dental Operating Microscope in Endodontic Treatment

Masataka Suehara, Kan-Ichi Nakagawa, Natsuko Aida, Toshihiro Ushikubo, Kazuki Morinaga
2012 The Bulletin of Tokyo Dental College  
Although high-quality still images can be obtained using a 35-mm film or CCD camera, the quality of still images produced by a video camera is significantly lower.  ...  The purpose of this study was to determine the potential of RegiStax in obtaining high-quality still images from a continuous video stream from an optical microscope.  ...  Microscopic image documentation can be obtained using either a still camera (e.g., a 35-mm film or CCD camera) or a video camera 2, 3) .  ... 
doi:10.2209/tdcpublication.53.27 pmid:22452889 fatcat:blhp72p2mngglo5win3t6qaa5e

Photon transfer methods and results for electron multiplication CCDs

Michael J. DeWeert, Jeffrey B. Cole, Andrew W. Sparks, Andrew Acker, Andrew G. Tescher
2004 Applications of Digital Image Processing XXVII  
We have adapted James Janesick's photon transfer technique for characterizing the noise performance of an electron multiplication CCD (EMCCD), and we have developed methods for characterizing performance  ...  Optical systems designed for some defense, environmental, and commercial remote-sensing applications must simultaneously have a high dynamic range, high sensitivity, and low noise-equivalent contrast.  ...  Doug Todoroff (Office of Naval Research) and Mr. Ned Witherspoon (Naval Surface Warfare Center) for their review and comments on this manuscript.  ... 
doi:10.1117/12.562223 fatcat:3dtwrqsa25affmiix5cmqglisa

A compact photon-counting imaging system

P. Hickson
1986 Publications of the Astronomical Society of the Pacific  
The detector is a two-stage microchannel intensifier fiber-optically coupled to a CCD camera operating at standard video rate.  ...  Below these rates the noise standard deviation is typically less than 1.2 v counts. The system has been used on Mauna Kea for spatially resolved spectroscopy and narrow-band imaging of faint objects.  ...  Other interpolation techniques are possible, but this technique was found to work well. The CCD video contains a periodic component with a period of 3.51 pixels and an amplitude of a few percent.  ... 
doi:10.1086/131803 fatcat:yknzgu4ganbmnnxs7ajlrfkqry

Page 271 of SMPTE Motion Imaging Journal Vol. 111, Issue 6 [page]

2002 SMPTE Motion Imaging Journal  
Imager Technology Charge coupled devices (CCD) are the main types of imagers used for electronic cameras. CCDs come in a variety of sizes and types.  ...  Most video compression for videotape recorders use a form of discrete cosine transform (DCT) intraframe coding.  ... 

Performance evaluation of LCD displays [chapter]

H. Roehrig, J. Fan, T. Furukawa, M. Ohashi, A. Chawla, K. Gandhi
2002 CARS 2002 Computer Assisted Radiology and Surgery  
Each of these LCDs features a different method to increase the grayscale precision: Frame Rate Modulation, Sub-Pixel Modulation and Aperture Modulation. A CCD camera was used for the evaluation.  ...  Spatial noise was evaluated in terms of single pixel signal-to-noise ratio and in terms of the spatial noise power spectrum.  ...  the CCD camera for the LCD evaluation.  ... 
doi:10.1007/978-3-642-56168-9_77 fatcat:yugvcu5uizcx5ddo4ggs3m5pea
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