نتایج جستجو برای: detection filter
تعداد نتایج: 676339 فیلتر نتایج به سال:
In this contribution we introduce a method for the automatic detection of facial features and characteristic anatomical keypoints. In the application we are aiming at the anatomical landmarks are used to accurately measure facial features. Our approach is essentially based on a selective search and sequential tracking of characteristic edge and line structures of the facial object to be searche...
This work presents a vision-based system for detecting and localizing pedestrians in road environments by means of a statistical technique. Initially, attentive vision techniques relying on the search for specific characteristics of pedestrians such as vertical symmetry and strong presence of edges, allow to select interesting regions likely to contain pedestrians. These regions are then used t...
Vibrothermography (Sonic IR, thermosonics) is a technique for finding cracks through frictional heat given off in response to vibration. Vibrothermography provides a sequence of infrared images as output of the inspection process. A fast and accurate automatic crack‐detection algorithm for the sequence‐of‐images data will greatly increase the productivity of vibrothermography method. Matched fi...
speckle noise reduction for the enhancement of retinal layers in optical coherence tomography images
introduction one of the most important pre-processing steps in optical coherence tomography (oct) is reducing speckle noise, resulting from multiple scattering of tissues, which degrades the quality of oct images. materials and methods the present study focused on speckle noise reduction and edge detection techniques. statistical filters with different masks and noise variances were applied on ...
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