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Try to compress, by encoding number of nullsСтарт программы - попытка сжатия несжимаемых данных, кодированием количеств нулей в двоичной строке. binary binary_data: 1010001100000110110000101101000011100011001101000110001101000011010000011 bitlength = 73 count(1) = 30 count(1)/bitlength = 0.410958904109589 how_many_nulls_in_string: [0, 1, 3, 0, 5, 0, 1, 0, 4, 1, 0, 1, 4, 0, 0, 3, 0, 2, 0, 1, 3, 0, 3, 0, 1, 4, 0, 1, 5, 0] unique_values [0, 1, 2, 3, 4, 5] len_unique_values 6 Повторы чисел в массиве: 0 13 1 7 2 1 3 4 4 3 5 2 dictionary {'4': '3', '0': '13', '2': '1', '5': '2', '3': '4', '1': '7'} dictionary sorted: [('0', '13'), ('1', '7'), ('3', '4'), ('4', '3'), ('5', '2'), ('2', '1')] dictionary with codes {'4': '1110', '0': '0', '2': '11111', '5': '11110', '3': '110', '1': '10'} numbers ['0', '1', '3', '4', '5', '2'] prefix_code array ['0', '10', '110', '0', '11110', '0', '10', '0', '1110', '10', '0', '10', '1110', '0', '0', '110', '0', '11111', '0', '10', '110', '0', '110', '0', '10', '1110', '0', '10', '11110', '0'] array encoded with prefix code: 010110011110010011101001011100011001111101011001100101110010111100 len compressed: 66 bits original data len(binary_data) = 73 bits. Compressed: 0010110011110010011101001011100011001111101011001100101110010111100 |
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