نتایج جستجو برای: refining and correcting western images
تعداد نتایج: 16881855 فیلتر نتایج به سال:
Coplanarity is a relationship of a set of points that exist on a single plane. Coplanarities can be easily observed in a scene with planer surfaces, and these types of coplanarities have been widely used for 3D reconstructions based on geometrical constraints. Other types of coplanarities that can be observed from images are those observed as cross sections of planes and scenes; for example, po...
This paper proposes an efficient technique for human motion recognition based on motion history images and an eigenspace technique. In recent years, human motion recognition has become one of the most popular research fields. It is expected to be applied in a security system, man-machine communication, and so on. In the proposed technique, we use two feature images and the eigenspace technique ...
In this paper, we show the role of modules over rings of finite characteristics in data hiding area. Applications of correcting codes and covering functions in data hiding are shown as special cases of our module approach. Applications of modules over rings of characteristic 2 to design new embedding schemes for hiding secret data in binary images are introduced.
In this paper we propose a method for perspective distortion correction of rectangular documents. This scheme exploits the orthogonality of the document edges, allowing to recover the aspect ratio of the original document. The results obtained after correcting the perspective of several document images captured with a mobile phone are compared with those achieved by digitizing the same document...
in this study, in order to constitute polyelectrolyte multilayers (pem) using layer-by-layer nanotechnology, recycled fibers were subsequently treated with cationic starch (cs) and anionic starch (as) multi-layers each layer conducted at neutral ph for 10 minutes. also, to compare with mechanical of refining, the pulp was refined for 25 minutes to the freeness of about 291 ml.csf using valley b...
Based on the correlation diagram between the master and slave images (Fig. 5), the pair of appropriate images in terms of the shortest spatial and temporal lines is identified to produce the interferogram. As shown in Fig. 5, the maximum vertical baseline is obtained between -400 and -400. The obtained interferograms indicate the cumulative phase of the study area, which fluctuates between zero...
With the spread of western reforms in the 13th/9th century, Ottoman’s literature was reformed either. To reform Ottoman literature, they decided to transform the Ottoman language and literature relations with Persian language and literature. On one hand, they considered problems of Ottoman literature regarding Pindaric and its inefficiency for entering new areas such as novel, drama, and journa...
The major cause of death in the Western countries is coronary artery disease. A primary risk factor is hypercholesterolelmia, which contributes to hardening of the arteries. In humans, 50% or more of the total cholesterol is derived from de novo synthesis (Rosenfeld, 1989; Steinberg et al., 1989). Clinical intervention studies have demonstrated the therapeutic importance of correcting the hyper...
Background and purpose: Patient motion during myocardial perfusion SPECT can produce artifacts in reconstructed images which might affect clinical diagnosis. This paper attempts to present a new approach for the detection and correction of cardiac motion utilizing the data obtained during the imaging process. Materials and methods: Our method quantifies motion through polynomial curves modelin...
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