Question 8
Suppose we have a codebook of 2048 SIFT visual words. We extract 1000 SIFT descriptors (SIFT is a 128-dimensional feature) from a new image. What is the dimensionality of the BoW (Bag-of-Words) descriptor?
1000
128
128 × 2048
2048
Suppose we have a codebook of 2048 SIFT visual words. We extract 1000 SIFT descriptors (SIFT is a 128-dimensional feature) from a new image. What is the dimensionality of the BoW (Bag-of-Words) descriptor?
1000
128
128 × 2048
2048
Correct answer
2048
Question 8 of 30 in the IIT Madras BS Deep Learning for Computer Vision (Deep Learning for Computer Vision) Quiz 1 paper sat on 27 Oct 2024, in the September 2024 term (IIT M IMPROVEMENT AN EXAM QIM2 27 Oct 2024). It carries 2 marks.