Method #
These nodes analyse and modify the image with different effects. Image Processing nodes can be applied directly to all the same nodes as the rest of the post-fx nodes.
![Auto Key Colour Mask](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/auto-key-colour-mask/img/node-impro-auto-key_v2.jpg)
Automatically generate a mask for an image.
![Bit Crush](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/bit-crush/img/node-impro-bit-crush_v3.jpg)
Reduce the colour resolution in an image.
![Capture Image File](https://manual.notch.one/0.9.23/en/thumbPlaceholder.jpg)
Save a still image within a Post-FX chain.
![Channel Boolean](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/channel-boolean/img/node-impro-channel-boolean_v4.jpg)
Swap the RGBA colour channels.
![Chroma Key](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/chroma-key/img/chromakey-dance_v1.jpg)
Generate a mask for an image using Chroma Keying.
![Crop](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/crop/img/node-crop-cropped.jpg)
Add a crop to an image.
![Custom Shader Post Effect](https://manual.notch.one/0.9.23/en/thumbPlaceholder.jpg)
Add a custom .fx shader script as a Post-FX
![Dilate](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/dilate/img/node-impro-dilate-ex_v2.jpg)
Expand bright pixels and shrink darker pixels.
![Edge Detect](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/edge-detect/img/node-impro-edge-detect_v3.jpg)
Detect the edges in an image.
![Erode](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/erode/img/node-impro-erode-ex_v1.jpg)
Shrink bright pixels and expand darker pixels.
![Frame Buffer](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/frame-buffer/img/node-impro-frame-buffer_v2.jpg)
Hold a frame of video for a period of time.
![Frame Delay](https://manual.notch.one/0.9.23/en/thumbPlaceholder.jpg)
Add a Delay to a video.
![Frame Difference](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/frame-difference/img/node-impro-frame-difference_v2.jpg)
Subtract the current frame of a video from the previous frames.
![Frame Loop](https://manual.notch.one/0.9.23/en/thumbPlaceholder.jpg)
Dynamically Loop a number of frames.
![Generate Normal Map](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/generate-normal-map/img/node-impro-generate-normal-map_v2.jpg)
Generate a normal map from an image.
![Histogram Normalise](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/histogram-normalise/img/node-impro-histogram-normalise_v3.jpg)
Use a histogram to normalise the colours.
![Key Colour Mask](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/key-colour-mask/img/node-impro-key-colour-mask_v5.jpg)
Generate a mask for an image using a specified colour.
![Median Filter](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/median-filter/img/node-impro-median-filter_v3.jpg)
Add a noise reducing filter to the image.
![NDI Output](https://manual.notch.one/0.9.23/en/thumbPlaceholder.jpg)
Broadcast a video feed via NDI.
![NVIDIA Virtual Background](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/nvidia-virtual-background/img/node-impro-nvidia-virtual-background-cmp_v1.jpg)
Generate a mask for an image using NVIDIA RTX to mask out human forms.
![Output GBuffer](https://manual.notch.one/0.9.23/en/thumbPlaceholder.jpg)
Render a layers GBuffers directly.
![Range Remap](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/range-remap/img/node-impro-range-remap_v3.jpg)
Remap the overall colours of an image.
![Replace Colour](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/replace-colour/img/node-impro-replace-colour_v5.jpg)
Replace a colour with a different colour.
![Threshold](https://manual.notch.one/0.9.23/en/docs/nodes/post-fx/image-processing/threshold/img/node-impro-threshold_v2.jpg)
Limit the colour in an image.
![Video Exporter](https://manual.notch.one/0.9.23/en/thumbPlaceholder.jpg)
Export a video within a Post-FX chain.