http://scitation.aip.org/ The Journal of Electronic Imaging publishes papers in all technology areas that make up the field of electronic imaging and are normally considered in the design, engineering, and applications of electronic imaging systems. JEI covers the following research areas that apply directly to electronic imaging or focus on applied electronic imaging technology: image acquisition; image data storage; image data communication; display of image data; hard copy output; image visualization; image processing; electronic imaging applications. http://link.aip.org/link/?JEI/19/013003/1&agg=rss Lee Shu-Teng Chen and Ja-Chen Lin<br/> We propose a multithreshold progressive reconstruction method. The image is encoded three times using Joint Photographic Experts Group (JPEG): first with a low-quality factor, then with a medium-quality factor, and last with a high-quality factor. Huffman coding is employed to encode the difference ... [J. Electron. Imaging 19, 013003 (2010)] published Tue Feb 9, 2010. http://link.aip.org/link/?JEI/19/013004/1&agg=rss Lulu Edwards, E. Ray Brown, and Sarah R. Jersey<br/> A field validation of a laser detection and ranging (LADAR) system was conducted by the U.S. Army Engineer Research and Development Center (ERDC), Vicksburg, Mississippi. The LADAR system, a commercial-off-the-shelf (COTS) LADAR system custom-modified by Autonomous Solutions, Inc. (ASI), was tested ... [J. Electron. Imaging 19, 013004 (2010)] published Tue Feb 2, 2010. http://link.aip.org/link/?JEI/19/013001/1&agg=rss Sreenath Rao Vantaram, Eli Saber, Sohail A. Dianat et al.<br/> We propose a novel unsupervised multiresolution adaptive and progressive gradient-based color-image segmentation algorithm (MAPGSEG) that takes advantage of gradient information in an adaptive and progressive framework. The proposed methodology is initiated with a dyadic wavelet decomposition scheme ... [J. Electron. Imaging 19, 013001 (2010)] published Fri Jan 29, 2010. http://link.aip.org/link/?JEI/19/011018/1&agg=rss Emil Dumic, Sonja Grgic, and Mislav Grgic<br/> We present an innovative approach to the objective quality evaluation that could be computed using the mean difference between the original and tested images in different wavelet subbands. Discrete wavelet transform (DWT) subband decomposition properties are similar to human visual system characteri ... [J. Electron. Imaging 19, 011018 (2010)] published Mon Jan 25, 2010. http://link.aip.org/link/?JEI/19/011017/1&agg=rss D. Rene Rasmussen<br/> An algorithm is described for measuring the subjective, visual impact of 1-D defects (streaks and bands) in prints. A general approach to measurements of spatially localized image defects is described, attempting to directly match three stages of processing by the human observer: formation of the pe ... [J. Electron. Imaging 19, 011017 (2010)] published Thu Jan 21, 2010. http://link.aip.org/link/?JEI/19/011016/1&agg=rss Marius Pedersen, Nicolas Bonnier, Jon Yngve Hardeberg et al.<br/> The evaluation of perceived image quality in color prints is a complex task due to its subjectivity and dimensionality. The perceived quality of an image is influenced by a number of different quality attributes. It is difficult and complicated to evaluate the influence of all attributes on overall ... [J. Electron. Imaging 19, 011016 (2010)] published Wed Jan 13, 2010. http://link.aip.org/link/?JEI/19/011010/1&agg=rss Nicolas Bonnier and Albrecht J. Lindner<br/> The capacity of a printing system to accurately reproduce details has an impact on the quality of printed images. The ability of a system to reproduce details is captured in its modulation transfer function (MTF). In the first part of this work, we compare three existing methods to measure the MTF o ... [J. Electron. Imaging 19, 011010 (2010)] published Wed Jan 13, 2010. http://link.aip.org/link/?JEI/19/011009/1&agg=rss Elaine W. Jin and Brian W. Keelan<br/> ISO 20462 part 3 standardized the hardcopy quality ruler and a softcopy quality ruler based on a binary sort approach involving paired comparisons. The new softcopy ruler method described here utilizes a slider bar to match the quality of the ruler to that of the test image, which is found to substa ... [J. Electron. Imaging 19, 011009 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011015/1&agg=rss Bjorn Annighofer, Touraj Tajbakhsh, and Rolf-Rainer Grigat<br/> The dynamic range of digital image sensors is growing faster than the reproducible dynamic range of standard display and print devices. In an assessment, we evaluated eight real-time-capable, high-dynamic-range (HDR) tone-mapping operators, using HDR images restricted to 12 bits per channel, and ma ... [J. Electron. Imaging 19, 011015 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011012/1&agg=rss Youn Jin Kim, Yousun Bang, and Heui-Keun Choh<br/> We aim to quantify the perception of color gradation smoothness using objectively measurable properties. We propose a model to compute the smoothness of hardcopy color-to-color gradations. It is a gradient-based method that can be determined as a function of the 95th percentile of second derivative ... [J. Electron. Imaging 19, 011012 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011013/1&agg=rss Jonathan Phillips, Peter Bajorski, Peter Burns et al.<br/> Because of the emergence of e-commerce and developments in print engines designed for economical output of very short runs, there are increased business opportunities and consumer options for print-on-demand books and photobooks. The current state of these printing modes allows for direct uploading ... [J. Electron. Imaging 19, 011013 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011008/1&agg=rss Hyung Jun Park, Jan P. Allebach, and Zygmunt Pizlo<br/> The use of color electrophotographic (EP) laser printing systems is growing because of their declining cost. Thus, the print quality of color EP laser printers has become increasingly important. Since text and lines are indispensable to print quality, many studies have proposed methods for measuring ... [J. Electron. Imaging 19, 011008 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011011/1&agg=rss Stephen O. Otim and Steve Collins<br/> For wide-dynamic-range cameras that achieve a logarithmic response using a load transistor operating in weak inversion, fixed pattern noise is a particular problem. The effects of fixed pattern noise can be reduced using one of a variety of methods that compensate for different forms of fixed patter ... [J. Electron. Imaging 19, 011011 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011014/1&agg=rss Sonia H. Contreras Ortiz, James Joseph Macione, and Martin D. Fox<br/> Ultrasound is a widely used medical imaging methodology because it is safe and relatively inexpensive. However, the quality of the images is affected by the point-spread function of the system, medium effects (such as refraction, reflection, and attenuation), and coherent wave interference or speckl ... [J. Electron. Imaging 19, 011014 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011007/1&agg=rss Dirk Hertel<br/> Mobile applications present new image quality challenges. Automotive vision requires reliable capture of scene detail. Photospace measurements have shown that the extremely wide intrascene dynamic range of traffic scenes necessitates wide-dynamic-range (WDR) technology. Multiple-slope complementary ... [J. Electron. Imaging 19, 011007 (2010)] published Fri Jan 8, 2010. http://link.aip.org/link/?JEI/19/011004/1&agg=rss David MacKinnon, Francois Blais, and Victor Aitken<br/> Quality metrics quantify by how much some aspect of a measurement deviates from a predefined standard. Measurement quality evaluations of laser range scanner data are used to perform range image registration, merging measurements, and view planning. We develop a scanning method that uses laser range ... [J. Electron. Imaging 19, 011004 (2010)] published Thu Jan 7, 2010. http://link.aip.org/link/?JEI/19/011006/1&agg=rss Eric C. Larson and Damon M. Chandler<br/> The mainstream approach to image quality assessment has centered around accurately modeling the single most relevant strategy employed by the human visual system (HVS) when judging image quality (e.g., detecting visible differences, and extracting image structure/information). In this work, we sugge ... [J. Electron. Imaging 19, 011006 (2010)] published Thu Jan 7, 2010. http://link.aip.org/link/?JEI/19/011003/1&agg=rss Chaofeng Li and Alan Conrad Bovik<br/> Objective image and video quality measures play important roles in numerous image and video processing applications. In this work, we propose a new content-weighted method for full-reference (FR) video quality assessment using a three-component image model. Using the idea that different image region ... [J. Electron. Imaging 19, 011003 (2010)] published Thu Jan 7, 2010. http://link.aip.org/link/?JEI/19/011005/1&agg=rss Ulrich Engelke and Hans-Jurgen Zepernick<br/> Images usually exhibit regions that particularly attract the viewer's attention. These regions are typically referred to as regions of interest (ROI), and the underlying phenomenon in the human visual system is known as visual attention (VA). In the context of image quality, one can expect that dist ... [J. Electron. Imaging 19, 011005 (2010)] published Thu Jan 7, 2010. http://link.aip.org/link/?JEI/19/011002/1&agg=rss Paul A. Ardis, Christopher M. Brown, and Amit Singhal<br/> We propose a means of objectively comparing the results of digital image inpainting algorithms by analyzing changes in predicted human attention prior to and following application. Artifacting is generalized in two catagories, in-region and out-region, depending on whether or not attention changes a ... [J. Electron. Imaging 19, 011002 (2010)] published Thu Jan 7, 2010. http://link.aip.org/link/?JEI/18/043014/1&agg=rss Edoardo Ardizzone, Marco La Cascia, Marco Morana et al.<br/> We propose a novel approach for the automatic representation of pictures achieving a more effective organization of personal photo albums. Images are analyzed and described in multiple representation spaces, namely, faces, background, and time of capture. Faces are automatically detected, rectified, ... [J. Electron. Imaging 18, 043014 (2009)] published Wed Dec 30, 2009. http://link.aip.org/link/?JEI/18/043013/1&agg=rss Shiueng-Bien Yang<br/> The C-fuzzy decision tree (CFDT), which is based on the fuzzy C-means algorithm, has recently been proposed. The CFDT is grown by selecting the nodes to be split according to its classification error rate. However, the CFDT design does not consider the classification time taken to classify the input ... [J. Electron. Imaging 18, 043013 (2009)] published Mon Dec 21, 2009. http://link.aip.org/link/?JEI/18/043015/1&agg=rss David Geisler-Moroder and Arne Dur<br/> Human perception of material colors depends heavily on the nature of the light sources that are used for illumination. One and the same object can cause highly different color impressions when lit by a vapor lamp or by daylight, respectively. On the basis of state-of-the-art colorimetric methods, we ... [J. Electron. Imaging 18, 043015 (2009)] published Thu Dec 17, 2009. http://link.aip.org/link/?JEI/18/043012/1&agg=rss Francesco Bianconi, Antonio Fernandez, Elena Gonzalez et al.<br/> We present a set of multiscale, multidirectional, rotation-invariant features for color texture characterization. The proposed model is based on the ranklet transform, a technique relying on the calculation of the relative rank of the intensity level of neighboring pixels. Color and texture are merg ... [J. Electron. Imaging 18, 043012 (2009)] published Thu Dec 17, 2009. http://link.aip.org/link/?JEI/18/043010/1&agg=rss Molly Wong, Da Zhang, John Rong et al.<br/> Our goal was to evaluate the error contributed by photon fluence measurements to the detective quantum efficiency (DQE) of an x-ray imaging system. The investigation consisted of separate error analyses for the exposure and spectrum measurements that determine the photon fluence. Methods were develo ... [J. Electron. Imaging 18, 043010 (2009)] published Fri Dec 4, 2009. http://link.aip.org/link/?JEI/18/043011/1&agg=rss Chien-Chang Chen, Chaur-Chin Chen, and Yun-Cheng Lin<br/> We present a novel hybrid method that includes a modulated scheme for reducing the distortion of the reconstructed image and a two-layered structure for grouping participants with different weights in a secret image sharing problem. Conventional secret image sharing methods suffer from truncation di ... [J. Electron. Imaging 18, 043011 (2009)] published Thu Dec 3, 2009. http://link.aip.org/link/?JEI/18/043008/1&agg=rss Kimiyoshi Miyata, Yuka Inoue, Takahiro Takiguchi et al.<br/> In the National Museum of Japanese History, 215,759 artifacts are stored and used for research and exhibitions. In museums, due to the limitation of space in the galleries, a guidance system is required to satisfy visitors' needs and to enhance their understanding of the artifacts. We introduce one ... [J. Electron. Imaging 18, 043008 (2009)] published Mon Nov 23, 2009. http://link.aip.org/link/?JEI/18/049901/1&agg=rss Edward J. Giorgianni, Thomas E. Madden, and Bruce H. Pillman<br/> Abstract not available. [J. Electron. Imaging 18, 049901 (2009)] published Fri Nov 20, 2009. http://link.aip.org/link/?JEI/18/043007/1&agg=rss Paul Southam and Richard Harvey<br/> We consider the problem of classifying textures. First, we consider images where the orientation of the texture is known. Then, we consider the classification of textures where the orientation is unknown. Last, classification in real scenes is considered. A wide variety of techniques are tested usin ... [J. Electron. Imaging 18, 043007 (2009)] published Fri Nov 20, 2009.