Draw block diagram of the JPEG default encoder for encoding still colour image. Describe progressive and hierachical...

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Electrical Engineering

Draw block diagram of the JPEG default encoder for encodingstill colour image.
Describe progressive and hierachical mode of JPEG compressionstandard, respectively
Describe how image artifacts occur in decoded still images

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JPEG Compression ModesThe JPEG standard defined four compression modes HierarchicalProgressive Sequential and lossless Below figure shows therelationship of major JPEG compression modes and encodingprocessesSequential Sequentialmode images are encoded from top tobottom Sequential mode supports sample data with 8 and 12 bits ofprecision In the sequential JPEG each color component iscompletely encoded in single scan Within sequential mode twoalternate entropy encoding processes are defined by the See Answer

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