نتایج جستجو برای: Visual Pattern Image Coding
تعداد نتایج: 1121596 فیلتر نتایج به سال:
This paper presents an improvement of the Visual Pattern image coding (VPIC) scheme presented by Chen and Bovik in [2] and [3]. The patterns in this improved scheme are defined by morphological operations and classified by absolute error minimization. The improved scheme identifies more uniform blocks and reduces the noise effect. Therefore, it improves the compression ratio and image quality i...
With desktop imaging devices becoming ubiquitous, effectively managing the images in large collections has become a challenge. The requirements for a modern imaging system now demand not only efficient storage (low bit rate coding), but also easy manipulation, indexing and retrieval of images. In this paper, we introduce a new method for colour image coding based on a visual appearance model of...
Visually meaningful patterns (visual patterns) are a set of predefined image blocks representing information the human visual system is very sensitive to. A colour image coding technique based on visual patterns is introduced. An image is divided into small blocks each of which is mapped to one of the visual patterns. Each block can then be represented by the pattern and by the colour informati...
in solvo-hydrothermal method, xrd pattern was indicated presence of intermediate of ammonium octatmolybdate and ammonium tetramolybdate, which were changed to stble phase of ?-moo3 annealing. sem images were indicated nanoparticle with semispheical morphology and tem image was demonstrated nanoparticles with a diameter size of 25nm. also in impregnate method. the xrd pattern was shown high crys...
A colour image coding system based un the pattern colour separable (PCS) thrury 121 of human colour vision is developed. The PCS image coding system codes an image using three separate channels: panern. culour and .strength. The pattern channel corresponds to the visual pathway that is sensitive to spatial frequency information, the colour channel corresponds to the visual pathway that is sensi...
We explore visual spike coding strategies in a neural layer in order to build a dynamical model of primary vision. A strictly feed-forward architecture is compared to a strategy accounting for lateral interactions that shows sparse spike coding of the image as is observed in the primary visual areas [1]. This transform is defined over a neural layer according to a greedy matching pursuit scheme...
Compression can be done by lossy or lossless methods. The lossy methods have been used more widely than the lossless compression. Although, many methods for image compression have been proposed yet, the methods using intelligent skipping proper to the visual models has not been considered in the literature. Image inpainting refers to the application of sophisticated algorithms to replace lost o...
This study investigated the effect of audiovisual integration on action-perception transfer.40 subjects were randomly divided four groups: visual, visual-auditory, control visual and control visual-auditory. Visual groups watched pattern skilled basketball player and other groups in addition to watching pattern skilled basketball player, heard Elbow angular velocity as sonification. In first st...
This paper proposes a new image compression approach. The high frequency information in an image is adaptively decreased to facilitate compression, which is then compensated through learning-based mapping. Specifically, an adaptive DCT-domain down-sampling method is presented to reduce the high frequencies in images and the visual pattern based learning is introduced to recover the removed high...
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