نتایج جستجو برای: histogram analysis
تعداد نتایج: 2832487 فیلتر نتایج به سال:
Image contrast enhancement is a fundamental pre-processing step in application requiring image processing operations. Histogram Equalization (HE) method is widely used for contrast enhancement. However, HE is not suitable for consumer electronic products directly. As a result, such image creates side-effects such as washed out appearance and false contouring due to the significant change in bri...
<span lang="EN-US">Recent <span>research has demonstrated the effectiveness of utilizing neural networks for detect tampering in images. However, because accessing a database is complex, which needed classification process to tampering, reference-free steganalysis attracted attention. In recent work, an approach least significant bit (LSB) been presented based on analyzing derivativ...
We propose a histogram clustering (HC) method to accelerate fluorescence lifetime imaging (FLIM) analysis in pixel-wise and global fitting modes. The proposed method’s principle was demonstrated, the combinations of HC with traditional FLIM were explained. assessed methods both simulated experimental datasets. results reveal that not only increases speed (up 106 times) but also enhances estimat...
OBJECTIVE To determine whether histogram values of the normalized apparent diffusion coefficient (nADC) and normalized cerebral blood volume (nCBV) maps obtained in contrast-enhancing lesions detected on immediate post-operative MR imaging can be used to predict the patient response to concurrent chemoradiotherapy (CCRT) with temozolomide (TMZ). MATERIALS AND METHODS Twenty-four patients with...
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