# Blocks

A block is a basic unit of processing. Some blocks have both input and output and some blocks have only either input or output. For output-only blocks, those are image or video sources which generate data. For input-only blocks, they are the data sink.

# Input

Block name Community Business Enterprise Functions
Camera It takes image input from a connected web camera.
Image file It takes image input from a uploaded file.
MJPEG It takes input of images from a MJPEG HTTP or HTTPS stream.
RTSP It takes input of images from a publicly-available RTSP stream.
Video file It takes input of images from a MP4 video with H.264 of H.265 format.
YouTube It takes input of images from a YouTube video.

# AI

Block name Community Business Enterprise Functions
Detect It classifies or detects object(s) from an input image.
OCR It recognizes text from an input image.
Pose It identifies human pose.
Anomaly It identifies anomalies in an image.
Track It tracks and identifies a set of objects.

# Augmentation

Block name Community Business Enterprise Functions
Crop It crops multiple regions of an image.
Resize It resizes an image.
Redact It redacts those areas which are marked by the bounding boxes.
Blur It blurs the whole image.
Black and white It makes the image black and white.
Mask It crops the image using the first bounding box.
Rotate It rotates the whole image.
Flip It flips the image horizontally or vertically.

# Train

Block name Community Business Enterprise Functions
Train It trains a model using connected datasets.
Dataset It contains a collection of images.
Annotated dataset It contains a collection of images with bounding boxes.
Merge dataset It merges datasets and annotated datasets into one single dataset.

# Output

Block name Community Business Enterprise Functions
Image output It returns an image.
Recorder It records a video when an event is triggered.
Chart It records values and plots a line chart.
Bar It plots a bar chart with input values.
Number It shows a value.
Bounding box It draws bounding boxes on top of an image.
Key point It draws key points on top of an image.
MJPEG output It produces a MJPEG output stream.
RTSP output It produces a RTSP output stream.
Media storage It stores images in a media library.

# Integration

Block name Community Business Enterprise Functions
Webhook It triggers an webhook when a non-null value is received.
Python It executes custom Python codes and provides an endpoint.
JavaScript It executes custom JavaScript codes and provides an endpoint.

# Presentation

Block name Community Business Enterprise Functions
Markdown It presents a text using markdown.
Avatar camera It shows a rounded camera video.