Run-Length-Based Test Data Compression Techniques: How Far from Entropy and Power Bounds?—A Survey

Table 3

Frequency-directed run-length code [10].

Group	Run length	Group prefix	Tail	Code word
1	0	0	0	00
	1		1	01
2	2	10	00	1000
	—		—	—
	5		11	1011
3	6	110	000	110000
	7		001	110001
	—		—	—