Sample selection for efficient image annotation

• URL: http://arxiv.org/abs/2105.04678v1
• Date: Mon, 10 May 2021 21:25:10 GMT
• Title: Sample selection for efficient image annotation
• Authors: Bishwo Adhikari, Esa Rahtu, Heikki Huttunen
• Abstract summary: Supervised object detection has been proven to be successful in many benchmark datasets achieving human-level performances. We propose an efficient image selection approach that samples the most informative images from the unlabeled dataset. Our method can reduce up to 80% of manual annotation workload, compared to full manual labeling setting, and performs better than random sampling.
• Score: 14.695979686066066
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Supervised object detection has been proven to be successful in many benchmark datasets achieving human-level performances. However, acquiring a large amount of labeled image samples for supervised detection training is tedious, time-consuming, and costly. In this paper, we propose an efficient image selection approach that samples the most informative images from the unlabeled dataset and utilizes human-machine collaboration in an iterative train-annotate loop. Image features are extracted by the CNN network followed by the similarity score calculation, Euclidean distance. Unlabeled images are then sampled into different approaches based on the similarity score. The proposed approach is straightforward, simple and sampling takes place prior to the network training. Experiments on datasets show that our method can reduce up to 80% of manual annotation workload, compared to full manual labeling setting, and performs better than random sampling.

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