نتایج جستجو برای: vessel

تعداد نتایج: 85393  

Journal: : 2023

River transport is one of the oldest in Russian Federation. It particular importance for northern and eastern regions, where density railways highways not high enough, or they do exist at all. In these share river total cargo turnover about four percent. The use water military purposes will never be stopped. Since requirements that are more stringent imposed on transport, decommissioning vessel...

Journal: :International Journal of Molecular Sciences 2021

Bone morphogenetic proteins (BMPs) were originally identified as the active components in bone extracts that can induce ectopic formation. In recent decades, their key role has broadly expanded beyond physiology and pathology. Nowadays, BMP pathway is considered an important player vascular signaling. Indeed, mutations genes encoding different of cause various severe diseases. Their signaling c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران - دانشکده فنی 1387

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده دامپزشکی 1386

چکیده ندارد.

Journal: :journal of medical signals and sensors 0
seyed hossein rasta mahsa eisazadeh partovi hadi seyedarabi alireza javadzadeh

to investigate the effect of preprocessing techniques including contrast enhancement and illumination correction on retinal imagequality, a comparative study was carried out. we studied and implemented a few illumination correction and contrast enhancementtechniques on color retinal images to find out the best technique for optimum image enhancement. to compare and choose thebest illumination c...

Journal: :journal of medical signals and sensors 0
vahid mohammadi saffarzadeh alireza osareh bita shadgar

detecting blood vessels is an important task in retinal image analysis.  the task is more challenging with the presence of bright and dark lesions in retinal images. here, a method is proposed to detect vessels in both normal and abnormal retinal fundus images based on their linear features. first, the negative impact of bright lesions is reduced by using k-means segmentation in a perceptive sp...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید