Table 2 Comparison of the number and time of feature point extraction.

From: LMFD: lightweight multi-feature descriptors for image stitching

Methods

Time (ms)

Features

SURF3

176

2911

FAST1

2

5158

BRISK42

10

1874

DoG43

338

1552

ORB4

7

594

Ours(\(r=3,k_{z}=1\))

1.87

2513

Ours(\(r=5,k_{z}=3\))

10.35

648

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