By now, you should understand the significance and meaning of image captioning. This task can be simply defined as writing and recording a free-flowing and natural text description for any image. It is usually used to describe various scenes or events in images. This is also popularly termed scene recognition. Let's look at the following example:
Looking at this scene, what could be a suitable caption or description? The following are all valid descriptions of the scene:
- A motocross rider is on a dirt hill
- A guy on a bicycle midair above a hill
- A dirt bike rider is moving fast down a dirt path
- A biker riding a black motorbike in midair
You can see that all of these captions are valid and are similar yet use different words to convey the same meaning. This is why generating image captions automatically is not an easy task.
In fact, the...