Intelligent Algorithm for Rock Core RQD Based on Object Detection and Image Segmentation to Suppress Noise and Vibration

Table 1

Comparison of RQD values between manual measurement and the present approach.

Drilling core number	RQD (%) by manual measurement	RQD (%) by the approach	Error (%)
1	6.66	3.66	3.00
2	52.20	55.63	3.43
3	0.00	9.35	9.35
4	28.70	31.84	3.14
5	21.30	23.30	2.00
6	19.90	15.40	4.50
7	51.10	54.35	3.25
8	6.67	12.67	6.00
9	21.94	17.31	4.63
10	9.45	5.85	3.60