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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Superpixel-based image segmentation to improve Intra-frame prediction
 Soukeník, Ondřej ; Fliegel, Karel (referee) ; Polák, Ladislav (advisor)
This diploma thesis gives an overview of the technologies used for compression image data, video quality measurement methods and image segmentation methods. The thesis is divided into five chapters. The first chapter gives a brief overview of of the technologies and architectural elements used in image and video compression. The second chapter provides a brief overview of objective video and image quality metrics. The third chapter gives an overview of image segmentation methods and at the end of this chapter a new optimized implementation of SLIC is described. The fourth chapter aims to describe the modification of the rav1e encoder of the AV1 standard. The fifth chapter contains an experimental section where the encoder modification is verified and results are analyzed and presented in a summarized form.
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