peak-to-mean ratio
Statistical characterization VBR MPEG at the slice layer
... We found that the peak-to-mean ratio and coefficient-of-variation is reduced and that the multiplexed output stream fits the Gamma distribution well, Finally, we used the Markov Chain to[r] ...
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Study the Effect of Lens Monochromatic Aberrations on Satellite Images Quality
... Finally Mean Square Error and Peak Signal-to-Noise Ratio metrics of the degraded images are used to evaluate the effect of the applied monochromatic aberrations on the quality of the resulting ...
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Reduction of Peak to Mean Power Ratio Using Pre coder based Hartley Transform for OFDM Systems Dr P V Naganjaneyulu
... higher peak to mean power ratio, which is well known as peak to average power ratio (PAPR) is a major drawback in OFDM systems, which in results increases the complexity of digital to ...
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Wavelet based Image Denoising using Weighted Highpass Filtering Coefficient and Exposure based Sub-Image Histogram Equalization Enhancement Technique
... quality. Mean Square Error (MSE), Root Mean Square Error (RMSE) and Peak Signal to Noise Ratio (PSNR) used as a performance parameters which degree the feature of an ...
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DIGITAL WATERMARKING TECHNIQUE FOR IMAGE AUTHENTICATION AND RECOVERY
... Abstract: Digital images constitute the most basic form of data shared. However along with simplicity, digitization poses to be a never-ending threat to the ownership of data. In this paper we propose a reliable ...
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Reducing Peak to Average Power Ratio of a Turbo Coded OFDM
... BER analysis is very helpful for understanding system performance at a first glance. If the previous research doesn’t include ADCs’ and DACs’ in simulation level then PAPR must be the next step of the study. The golden ...
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JPEG Image Compression using DCT and DHT and Comparison of Both Techniques based on Mean Square Error and Peak Signal to Noise Ratio
... Image compression is useful both for transmission and storage of information [3]. Image contains a high degree of redundancy which makes it possible for compression of an image. They are as follows: (1) redundancy due to ...
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Peak to Average Power Ratio Reduction Techniques for OFDM Signals
... As per probability theory, the CCDF represents the probability that a random variable X will be having a value greater than or equal to real valued number x [14]. Central limit theorem suggests that the real and ...
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ABSTRACT : The use of OFDM causes a high peak to- average (power) ratio (PAR
... The peak-to-average power ratio (PAPR), which is defined as the ratio of the peak power of the signal to its average power, is a measure of the amplitude fluctuations of the ...
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Relative Performance Evaluation of Single Chip CFA Color Reconstruction Algorithms Used in Embedded Vision Devices
... minimum mean-square error interpolation, given second order statistics computed from a good data ...of mean-square error) to the optimal Wiener filters for a 5×5 region of ...in peak-signal-to-noise ...
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Improved Audio Watermarking Using Arnold Transform, DWT and Modified SVD
... In this we investigate the watermark scrambling by using the Arnold transform and we compare the existing technique by using the parameters like peak signal to noise ratio, mean square [r] ...
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IMAGE SEGMENTATION USING FUZZY CLUSTERING ALGORITHM
... This section explains the result obtained after performing FCM and KWFCM on the satellite images. For comparing the performance of the algorithm, we used an experimental database which consists of 30 satellite images and ...
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A COMPARATIVE ANALYSIS OF IMAGE COMPRESSION BY DIFFERENT WAVELETS TECHNIQUES USING MATLAB
... The mean square error (MSE), peak signal to noise ratio (PSNR) between the original and compressed images is also known as Standard distortion measure ...
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IJCSMC, Vol. 6, Issue. 1, January 2017, pg.23 – 29 An Efficient Hybrid Approach for Secure Speech Cryptography
... of mean square error and peak signal to noise ratio parameters in case of RSA, DES and Hybridization algorithms concludes that The mean square error is less in case of Hybrid algorithm than ...
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Comparative Analysis on an Encrypted-Compressed Image using HAAR and COIFLET Wavelet Transform
... Compression Ratio (CR), Mean Square Error (MSE), Peak Signal to Noise Ratio (PSNR), Entropy, Bit Error Rate (BER) showing HAAR wavelet is better than COIFLET ...
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High Density Impulse Noise Removal in Color Images Using Region of Interest Median Controlled Adaptive Recursive Weighted Median Filter
... The performance of the proposed algorithm is given in terms of Mean Square Error MSE, Mean Absolute Error MAE and Peak Signal to Noise Ratio PSNR and it is compared with standard median [r] ...
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Ultrasound Image Compression Using SVD and Evaluation of Image Characteristics
... noise ratio (SNR), peak signal to noise ratio (PSNR), root mean square error (RMSE), and mean absolute error (MAE) are estimated for compressed image with respect to original ...Root ...
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In vitro strain in human metacarpal bones during striking: testing the pugilism hypothesis of hominin hand evolution
... length ratio more similar to that of humans than chimpanzees (Almécija et ...thumb-to-digit ratio is required for the pad-to-pad precision grip of humans (Napier, 1962; Marzke, 1997) and was acquired ...
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Codes With Low Peak- To- Average Power Ratio For OFDM Systems
... PAP ratio of 3 dB and a distance of 16 channel symbols, so 7 erroneous channels or 15 erased channels could be ...PAP ratio of 9 dB (6- dB reduction), while it is possible to correct one error or three ...
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Modification of Ratio Estimator for Population Mean
... Based on the results in Table 5, it is clear that the proposed estimator works better than the other existing estimators having the minimum Mean Square Error (MSE) and the highest Percentage Relative Error (PRE). ...
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