Question

Difference between lossy and lossless numerocity reduction in data mining

Answer 1

BASIS FOR COMPARISON LOSSY COMPRESSION LOSSLESS COMPRESSION

Basic Lossy compression is the family of data encoding method that utilizes imprecise estimates to represent the content.

Lossless compression is a group of data compression algorithms that permits the original data to be accurately rebuilt from the compressed data.

Algorithm

Transform coding, DCT, DWT, fractal compression, RSSMS. RLW, LZW, Arithmetic encoding, Huffman encoding, Shannon Fano coding.

Used in Images, audio and video. Text or program, images and sound.

Application JPEG, GUI, MP3, MP4, OGG, H-264, MKV, etc. RAW, BMP, PNG, WAV, FLAC, ALAC etc.

Data-holding capacity of the channel More Less as compared to lossy method

Answer 2

Answer:

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