Detecting objects

There are several variants of object detection algorithms. A few algorithms that come with the object detection API are discussed here.

Regions of the convolutional neural network (R-CNN)

The first work in this series was regions for CNNs proposed by Girshick et al.(https://arxiv.org/pdf/1311.2524.pdf) . It proposes a few boxes and checks whether any of the boxes correspond to the ground truth. Selective search was used for these region proposals. Selective search proposes the regions by grouping the color/texture of windows of various sizes. The selective search looks for blob-like structures. It starts with a pixel and produces a blob at a higher scale. It produces around 2,000 region proposals. This...