Ms. Jane Y. Zhang Profile

Jane Y. Zhang

at Boston Univ

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Publications (3)

SPIE Journal Paper | 21 May 2012 Open Access

Noninvasive in vivo optical assessment of blood brain barrier permeability and brain tissue drug deposition in rabbits

Aysegul Ergin, Jane Zhang, Mei Wang, Shailendra Joshi, Irving Bigio

JBO, Vol. 17, Issue 5, 057008, (May 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.5.057008

KEYWORDS: Tissue optics, Tissues, Blood brain barrier, Brain, Absorption, Magnesium, Blood, Biomedical optics, Blood circulation, In vivo imaging

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Proceedings Article | 12 March 2010 Paper

On image rendering methods for improved image consistency in PACS environment

Zhimin Huo, Jane Zhang, Huihai Lu, John Wandtke, David Foos

Proceedings Volume 7628, 762810 (2010) https://doi.org/10.1117/12.844621

KEYWORDS: Image processing, Image quality, Lung, Picture Archiving and Communication System, Chest, X-ray imaging, X-rays, Mammography, Control systems, Radiography

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The average workload per full-time equivalent (FTE) radiologist increased by 70% from1991-1992 to 2006- 2007. The increase is mainly due to the increase (34%) in the number of procedures, particularly in 3D imaging procedures. New technologies such as picture archiving and communication systems (PACS) and embodied viewing capability were accredited for an improved workflow environment leading to the increased productivity. However, the need for further workflow improvement is still in demand as the number of procedures continues growing. Advanced and streamlined viewing capability in PACS environment could potentially reduce the reading time, thus further increasing the productivity. With the increasing number of 3D image procedures, radiographic procedures (excluding mammography) have remained their critical roles in screening and diagnosis of various diseases. Although radiographic procedures decreased in shares from 70% to 49.5%, the total number has remained the same from 1991-1992 to 2006- 2007. Inconsistency in image quality for radiographic images has been identified as an area of concern. It affects the ability of clinicians to interpret images effectively and efficiently in areas where diagnosis, for example, in screening mammography and portable chest radiography, requires a comparison of current images with priors. These priors can potentially have different image quality. Variations in image acquisition techniques (x-ray exposure), patient and apparatus positioning, and image processing are the factors attributed to the inconsistency in image quality. The inconsistency in image quality, for example, in contrast may require manual image manipulation (i.e., windowing and leveling) of images to accomplish an optimal comparison to detect the subtle changes. We developed a tone-scale image rendering technique which improves the image consistency of chest images across time and modality. The rendering controls both the global and local contrast for a consistent look. We expect the improvement could reduce the window and level manipulation time required for an optimal comparison of priors and current images, thus improving both the efficiency and effectiveness of image interpretation. This paper presents a technique for improving the consistency of portable chest radiographic images. The technique is based on regions-of-interest (ROIs) to control both the local and global contrast consistency.

Proceedings Article | 25 February 2010 Paper

Design of a dynamic optical tissue phantom to model extravasation pharmacokinetics

Jane Zhang, Aysegul Ergin, Kerry Lee Andken, Chao Sheng, Irving Bigio

Proceedings Volume 7567, 75670J (2010) https://doi.org/10.1117/12.840547

KEYWORDS: Tissue optics, Tissues, Blood vessels, Scattering, Particles, Diffusion, Absorption, Computer simulations, Optical testing, Titanium dioxide

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