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Vladimir Botchko [email protected]
Lecture 6. Image CompressionLecture 6. Image Compression
Lappeenranta University of Technology (Finland)
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Image CompressionImage Compression
Lossy and lossless compression Fundamentals Fidelity Criteria Image Compression Models Error Free Compression Lossy Compression Compression Standards Video Image Compression
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Image CompressionImage Compression
Lossy and lossless compression Fundamentals Fidelity Criteria Image Compression Models Error Free Compression Lossy Compression
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Image CompressionImage Compression
Lossy and lossless compression Fundamentals Fidelity Criteria Image Compression Models Error Free Compression Lossy Compression
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Error Free CompressionError Free Compression
Variable-length coding Huffman coding Near optimal variable length codes Lossless predictive coding
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Image CompressionImage Compression
Lossy and lossless compression Fundamentals Fidelity Criteria Image Compression Models Error Free Compression Lossy Compression
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Lossy CompressionLossy Compression
Delta Modulation DM Differential pulse code modulation DPCM Transform coding
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Lossy CompressionLossy Compression
Delta Modulation DM Differential pulse code modulation DPCM Transform coding
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Transform CodingTransform Coding
Transform basis functions Fourier transform Walsh-Hadamard transform Discrete cosine transform Wavelet transform
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Transform CodingTransform Coding
ON-LINE DEMO on the course Web page (browser with Java 2): References: Dmitry Kolesnikov: Introduction Lecture
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Transform CodingTransform Coding
Transform basis functions Fourier transform FT Walsh-Hadamard transform WHT Discrete cosine transform DCT Wavelet transform WT
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Transform CodingTransform Coding
Transform basis functions Fourier transform Walsh-Hadamard transform Discrete cosine transform Wavelet transform
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Image CompressionImage Compression
Lossy and lossless compression Fundamentals Fidelity Criteria Image Compression Models Error Free Compression Lossy Compression Compression Standards Video image compression
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Video image compression
A moving image sequence 192 kB/frame (left), intra (independetly inside frame) frame compression 6 kB/frame (center), inter (by subtraction of frames) frame compression 512 bytes/frame and intra compression is also kept (right).
MPEG format.