Question 7
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
The video solution to this question is being recorded and will play here. Until then, the answer key is above.
Question 7 of 23 in the IIT Madras BS Deep Learning for Computer Vision (Deep Learning for Computer Vision) Quiz 1 paper sat on 25 Feb 2024, in the January 2024 term (IIT M DEGREE AN2 EXAM QDB2 25 Feb 2024). It carries 2 marks.