2021
DOI: 10.1371/journal.pone.0250959
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An efficient post-processing adaptive filtering technique to rectifying the flickering effects

Abstract: Compression at a very low bit rate(≤0.5bpp) causes degradation in video frames with standard decoding algorithms like H.261, H.262, H.264, and MPEG-1 and MPEG-4, which itself produces lots of artifacts. This paper focuses on an efficient pre-and post-processing technique (PP-AFT) to address and rectify the problems of quantization error, ringing, blocking artifact, and flickering effect, which significantly degrade the visual quality of video frames. The PP-AFT method differentiates the blocked images or frame… Show more

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Cited by 10 publications
(3 citation statements)
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“…Using the K-Nearest neighbors algorithm uses Euclidean distance of input image to every other point and uses majority voting from K minimum distance points to classify the image [35][36][37]. The generalized equation for calculating the distance is given below 2 where p 1 = (x 1 , y 1 ) and p 2 = (x 2 , y 2 ) Random forest algorithm makes use of an ensemble learning technique with multiple decision trees to classify input images [38,39].…”
Section: Image Classification Machine Learning Algorithmsmentioning
confidence: 99%
“…Using the K-Nearest neighbors algorithm uses Euclidean distance of input image to every other point and uses majority voting from K minimum distance points to classify the image [35][36][37]. The generalized equation for calculating the distance is given below 2 where p 1 = (x 1 , y 1 ) and p 2 = (x 2 , y 2 ) Random forest algorithm makes use of an ensemble learning technique with multiple decision trees to classify input images [38,39].…”
Section: Image Classification Machine Learning Algorithmsmentioning
confidence: 99%
“…Standard Zigbee has a range of 30 m in urban environment with 1 mW of energy for transmission [86]. A higher range of 90 m is available in Zigbee Pro in the same scenario with an output power of 63 mW, and Pro-900 can cover up to 610 m in urban environment scenario with a power of 250 mW [87]. Healthcare wireless body networks require 1 mW of power and short range for on-body exchange.…”
Section: Zigbeementioning
confidence: 99%
“…Afterwards, vessels are extracted by utilizing K-mean clustering method [53]. Likewise, there are many other suggested works are available in the literature for the improvement and detection health diseases utilizing machine learning [54][55][56][57][58] and deep learning [59][60][61][62][63][64].…”
Section: Introductionmentioning
confidence: 99%