[PDF] Top 20 El desarrollo de habilidades informativas y de creación de nuevo conocimiento

... investigated perceptual video coding by incor- porating the motion attention model, visual sensitivity model, and visual masking model for the purpose of adaptive ...The perceptual compression ... See full document

... ABSTRACT: Compression is used to decrease the number of bits required to store and transmit images without any measurable loss of ...Lossless color image compression for an image in RGB ... See full document

... an image using classical ciphers requires heavy computation due to the large amounts of data involved, but many multimedia applications require security on a much lower level, this can be achieved using selective ... See full document

... hierarchical prediction scheme, but most of existing prediction methods in lossless compression uses the raster scan prediction which is proved inefficient in high frequency ...“hierarchical” ... See full document

... Lossless Compression for Images) is the algorithm at the core of the new ISO/ITU standard for lossless and near-lossless compression of continuous-tone images, JPEG- ...the compression potential of ... See full document

... the compression task can be delegated by Charlie, who typically has abundant computational ...that compression has to be conducted in the encrypted domain, as Charlie does not access to the secret key ... See full document

... Abstract— Image compression is a process that reduces the image size and removing the unreasonable ...data compression methodologies, which are applied to compress most of the ...modern ... See full document

... delta compression schemes for time series ...a prediction- based lossless and lossy floating-point compression schemes for 2D and 3D grids in which the authors have used Lorenzo predictor and fast ... See full document

... or error free techniques, based on utilizing the statistical redundancy, where the decoded (compressed) image is identical to the original uncompressed image without losing information and low ... See full document

... the error patterns observed in learning of color terms: perceptual factors, conceptual factors, and word frequency ...of color terms Across languages, children overextend certain color ... See full document

... In 2006, a new theoretical framework, compression perception (Compressive Sensing, CS) theory, was developed. In less than ten years, the Shannon-Nyquist sampling theorem was continuously perfected, and each of ... See full document

... of image segmentation that employs Parzen window technique ...for image segmentation, then it shows that the proposed method here can choose the threshold which is as close to optimal as ...method. ... See full document

... mis-focus. Image restoration is designed to highlight the features of the image that make the image more clearly to the viewer, but not essentially to create accurate data from a scientific point of ... See full document

... lossless compression technique (JPEG-LS) is applied on the embedded-secured image to generate the compressed ...lossless/near-lossless compression standard for continuous-tone images ...near-lossless ... See full document

... Table of Table 5-1 Simple one-dimensional Figures and Tables decoding 36 Table 5-2 Decoding with integer valued pixels, using truncation 38 Table 5-3 Decoding with integer valued pixels,[r] ... See full document

... model image pro- cessing properties of the human visual system (HVS) in viewing and perceiving images ...reference image, objec- tive IQA methods can be classified as full-reference (FR), reduced-reference ... See full document

... However, the fractals utilized in image compression are linear, and of the genuine plane. In this way, the fractals utilized are not chaotic; at other end, they are not delicate to initial conditions. They ... See full document

... The reason why median is used in performing the quantization process is the median can clearly describe the central tendency of dispersion among the observed data. Median is also robust since it can eliminate outliers by ... See full document

... the image matrix; ...The prediction error, which is calculated by subtracting the prediction value from the original pixel, has a smaller entropy than the original ...the prediction ... See full document

... digital image data. Currently, expand the image size and resolution ...distinct image icon in the Tools ...High compression ratio for low bit of the wavelet transform coefficients to form a ... See full document