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   Articles with "histogram" as a keyword



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Whole‐tumor MRI histogram analyses of hepatocellular carcinoma: Correlations with Ki‐67 labeling index

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recommendations! Published in 2017 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.25555

Abstract: To evaluate whether whole‐tumor histogram‐derived parameters for an apparent diffusion coefficient (ADC) map and contrast‐enhanced magnetic resonance imaging (MRI) could aid in assessing Ki‐67 labeling index (LI) of hepatocellular carcinoma (HCC). read more here.

Keywords: hepatocellular carcinoma; labeling index; histogram; mri ... See more keywords
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IHP: improving the utility in differential private histogram publication

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recommendations! Published in 2019 at "Distributed and Parallel Databases"

DOI: 10.1007/s10619-018-07255-6

Abstract: Differential privacy (DP) is a promising tool for preserving privacy during data publication, as it provides strong theoretical privacy guarantees in face of adversaries with arbitrary background knowledge. Histogram, as the result of a set… read more here.

Keywords: histogram; privacy budget; utility; publication ... See more keywords
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Enhancing security and privacy of images on cloud by histogram shifting and secret sharing

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recommendations! Published in 2017 at "Multimedia Tools and Applications"

DOI: 10.1007/s11042-017-5306-5

Abstract: In contemporary society, people can easily use any smart device at hand to capture images of scenery and upload them to cloud storage. Cloud storage is widely used for storing user generated multimedia content. However,… read more here.

Keywords: histogram; cloud storage; secret sharing; images cloud ... See more keywords
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An objective method to identify optimum clip-limit and histogram specification of contrast limited adaptive histogram equalization for MR images

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recommendations! Published in 2017 at "Biocybernetics and Biomedical Engineering"

DOI: 10.1016/j.bbe.2016.11.006

Abstract: Abstract In contrast limited adaptive histogram equalization (CLAHE), the selection of tile size, clip-limit and the distribution which specify desired shape of the histogram of image tiles is paramount, as it critically influences the quality… read more here.

Keywords: clip limit; contrast; histogram; histogram specification ... See more keywords
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Meningioma grading using conventional MRI histogram analysis based on 3D tumor measurement.

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recommendations! Published in 2019 at "European journal of radiology"

DOI: 10.1016/j.ejrad.2018.11.016

Abstract: PURPOSE To evaluate the application of conventional MRI histogram analysis based on the whole tumor measurement on assessing meningioma grading. MATERIALS AND METHODS This retrospective study was approved by the institutional review board. A total… read more here.

Keywords: conventional mri; histogram; analysis; meningioma ... See more keywords
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Image enhancement with the preservation of brightness and structures by employing contrast limited dynamic quadri-histogram equalization

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recommendations! Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2020.165877

Abstract: Abstract Image enhancement has been widely applied to medical science, industry, agriculture, and military, for which it is very important to preserve brightness and structures. In order to overcome the shortcomings of over-enhancement and over-smoothing… read more here.

Keywords: histogram; image; histogram equalization; brightness structures ... See more keywords
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Genetic algorithm based adaptive histogram equalization (GAAHE) technique for medical image enhancement

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recommendations! Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.166273

Abstract: Abstract In Magnetic Resonance Imaging (MRI), the poor quality images may not provide the sufficient information for the visual interpretation of the affected locations of human body. So, to improve the image visions and to… read more here.

Keywords: genetic algorithm; histogram; gaahe technique; image ... See more keywords
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Associations between whole tumor histogram analysis parameters derived from ADC maps and expression of EGFR, VEGF, Hif 1-alpha, Her-2 and Histone 3 in uterine cervical cancer.

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recommendations! Published in 2019 at "Magnetic resonance imaging"

DOI: 10.1016/j.mri.2018.10.016

Abstract: OBJECTIVE Diffusion weighted imaging (DWI) can be quantified by apparent diffusion coefficient (ADC) and can predict tissue microstructure. The aim of the present study was to analyze possible associations between ADC histogram based parameters with… read more here.

Keywords: histogram; vegf; histogram analysis; expression ... See more keywords
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Equal-bin-width histogram versus equal-bin-count histogram

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recommendations! Published in 2020 at "Journal of Applied Statistics"

DOI: 10.1080/02664763.2020.1784853

Abstract: The histogram has all its bin widths equal to some non-random number arbitrary set by an analyst (EBWH). In the result, particular bin counts are random variables. This paper presents also a histogram that is… read more here.

Keywords: goal; histogram; bin width; bin ... See more keywords
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Uniform strong consistency of histogram density estimation for dependent process

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recommendations! Published in 2017 at "Communications in Statistics - Theory and Methods"

DOI: 10.1080/03610926.2015.1026994

Abstract: ABSTRACT Histogram density estimator is very intuitive and easy to compute and has been widely adopted. Especially in today's big data environment, people pay more attention to the computational cost and are more willing to… read more here.

Keywords: histogram; histogram density; uniform strong; strong consistency ... See more keywords
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Standardization of histogram- and gray-level co-occurrence matrices-based radiomics in the presence of blur and noise.

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recommendations! Published in 2021 at "Physics in medicine and biology"

DOI: 10.1088/1361-6560/abeea5

Abstract: Radiomics have been extensively investigated as quantitative biomarkers that can enhance the utility of imaging studies and aid the clinical decision making process. A major challenge to the clinical translation of radiomics is their variability… read more here.

Keywords: histogram; standardization; gray level; noise ... See more keywords