نتایج جستجو برای: histopathological feature
تعداد نتایج: 269208 فیلتر نتایج به سال:
Objectives To further evaluate the appearance of insulinoma in dogs on dual-phase CT angiography, given disparity findings recent publications. establish whether angiographic localisation correlates with surgical findings. Materials and Methods Single centre study a final diagnosis which underwent abdominal angiography. Scans were retrospectively re-evaluated for specific features by two board-...
In pattern recognition, features are denoting some measurable characteristics of an observed phenomenon and feature extraction is the procedure of measuring these characteristics. A set of features can be expressed by a feature vector which is used as the input data of a system. An efficient feature extraction method can improve the performance of a machine learning system such as face recognit...
چکیده ندارد.
Dimensionality reduction methods transform or select a low dimensional feature space to efficiently represent the original high dimensional feature space of data. Feature reduction techniques are an important step in many pattern recognition problems in different fields especially in analyzing of high dimensional data. Hyperspectral images are acquired by remote sensors and human face images ar...
BACKGROUND/AIMS The histopathological assessment of endoscopic colorectal biopsies is important in the distinction between normality and chronic idiopathic inflammatory bowel disease, and between ulcerative colitis and Crohn's disease, in subjects with symptoms of bowel dysfunction. This study aims to use carefully defined histopathological observations on a large study population to produce sy...
Colorectal cancer is the third most common form of cancer worldwide [1]. In general, there are two challenges in automatic detection of colorectal cancer in histopathological images. One is the enormous volume of data which the algorithms have to cope with. The second is that in histopathology slides, cancerous tissue can look similar to noncancerous tissue. In this paper, we propose an efficie...
Histopathological assessments, including surgical resection and core needle biopsy, are the standard procedures in the diagnosis of the prostate cancer. Current interpretation of the histopathology images includes the determination of the tumor area, Gleason grading, and identification of certain prognosis-critical features. Such a process is not only tedious, but also prune to intra/inter-obse...
conclusions psa, psa density, and gleason score should be considered together in order to more accurately predict the adverse pathologic features of prostate cancer. methods we conducted a cross-sectional study of 105 patients with localized prostate cancer who underwent radical prostatectomy between 2006 and 2013. we recorded gleason scores and psa levels, in addition to the results of patholo...
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