# Common objects
## Input object
The input object describes the data to send as input to the network. You must specify exactly one key among the possible input types. Currently only the image inputs are supported.
| Parameter | Type | Default | Description |
| --------- | ------------------------------------------------------------------- | ------- | --------------- |
| image | [object](/deepomatic-api-v0.7/common-objects.md#image-input-object) | | An image input. |
| video | [object](/deepomatic-api-v0.7/common-objects.md#video-input-object) | | A video input. |
## **Image input object**
| Attribute | Type | Description |
| --------- | ------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| source | string | May have various forms:
- The URL of the image
- The base64 encoded content of the image prefixed by
data:image/{:format};base64,. - The binary content of the image prefixed by
data:image/{:format};binary,
In the two last cases, {:format} is the image format (jpeg, png, etc...). If you don't know about the format just use \*.
|
| bbox | object | A bounding box object to crop the image. |
| polygon | array(object) | An array of point objects of size at least 3 to crop the image. |
## **Video input object**
| Attribute | Type | Description |
| ------------ | ------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| source | string | May have various forms:
- The URL of the image
- The base64 encoded content of the image prefixed by
data:image/{:format};base64,. - The binary content of the image prefixed by
data:image/{:format};binary,
In the two last cases, {:format} is the image format (jpeg, png, etc...). If you don't know about the format just use \*.
|
| process\_fps | float | The number of inference per second requested. Defaults to 1. Use a float number lower than one if you want to process less than one frame per second (e.g. passing 0.5 will result in a inference every 2 seconds). |
## Point object
A point is usually used to define a polygon in order to delimitate a non rectangle sub-part of the image. Coordinates are normalised to the image width and height. Origin is at the top-left corner.
| Attribute | Type | Description |
| --------- | ----- | ------------------------- |
| x | float | x-coordinate of the point |
| y | float | y-coordinate of the point |
{% code title="JSON" %}
```javascript
{
"x" : 0.1,
"y" : 0.1
}
```
{% endcode %}
## Bounding box object
A bounding box is a rectangle used to delimitate a sub-part of an image. Coordinates are normalised to the image width and height. Origin is at the top-left corner.
| Attribute | Type | Description |
| --------- | ----- | ---------------------------------------------- |
| xmin | float | x-coordinate of the top of the bounding box |
| ymin | float | y-coordinate of the left of the bounding box |
| xmax | float | x-coordinate of the bottom of the bounding box |
| ymax | float | y-coordinate of the right of the bounding box |
{% code title="JSON" %}
```javascript
{
"xmin": 0.1,
"ymin" : 0.2,
"xmax" : 0.8,
"ymax": 0.9
}
```
{% endcode %}
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