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AV1R  

'AV1' Video Encoding for Biological Microscopy Data
View on CRAN: Click here


Download and install AV1R package within the R console
Install from CRAN:
install.packages("AV1R")

Install from Github:
library("remotes")
install_github("cran/AV1R")

Install by package version:
library("remotes")
install_version("AV1R", "0.1.2")



Attach the package and use:
library("AV1R")
Maintained by
Yuri Baramykov
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-03-05
Latest Update: 2026-03-05
Description:
Converts legacy microscopy video formats (H.264/H.265, AVI/MJPEG, TIFF stacks) to the modern 'AV1' codec with minimal quality loss. Typical use cases include compressing large TIFF stacks from confocal microscopy and time-lapse experiments from hundreds of gigabytes to manageable sizes, re-encoding MP4 files exported from 'CellProfiler', 'ImageJ'/'Fiji', and microscope software with approximately 2x better compression at the same visual quality, and converting legacy AVI (MJPEG) and H.265 recordings to a single patent-free format suited for long-term archival. Automatically selects the best available backend: GPU hardware acceleration via 'Vulkan' 'VK_KHR_VIDEO_ENCODE_AV1' (tested on AMD RDNA4; bundled headers, builds with any 'Vulkan' SDK >= 1.3.275), with automatic fallback to CPU encoding through 'FFmpeg' and 'SVT-AV1'. Audio tracks are preserved automatically. Provides a simple R API for batch conversion of entire experiment folders.
How to cite:
Yuri Baramykov (2026). AV1R: 'AV1' Video Encoding for Biological Microscopy Data. R package version 0.1.2, https://cran.r-project.org/web/packages/AV1R. Accessed 13 Mar. 2026.
Previous versions and publish date:
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Complete documentation for AV1R
Functions, R codes and Examples using the AV1R R package
Full AV1R package functions and examples
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