Multimedia Systems - Data Compression
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Compression is the process of coding that will effectively reduce the total number of bits needed to represent certain information.

There are two types of compressions lossy and lossless

Lossless
✔️ Does not lose information (i.e., the signal is perfectly reconstructed after decompression)
✔️ Produces a variable bit-rate
✔️ It is not guaranteed to actually reduce the data size
✔️ Lower compression ratio

Lossy
✔️ Loses some information (i.e., the signal is not perfectly reconstructed after decompression)
✔️ Produces any desired constant bit-rate
✔️ Higher compression ratio
✔️ Perceptual loss of information reduced (controlled)

Lossless Compression Techniques
💡 Shannon-Fano Coding
💡 Huffman Coding

Lossy Compression Techniques
💡 Distortion Measures ( MSE & SNR)
💡 Uniform Scalar Quantization
💡 Vector Quantization

( In the coming posts we will give you notes about lossless techniques and we will implement by tree data structure method using C++ programming)
Stay Wake & Tuned! 😳
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Tree (Data Structure in C++)
• Insert
• InOrder
• PreOrder
• PostOrder
• Delete
• Search
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