extract_frames: Extract frames from video for classification

In icr-ctl/animl: A Collection of ML Tools for Conservation Research

Extract frames from video for classification

Description

This function can take

Usage

extract_frames(
  files,
  out_dir = tempfile(),
  out_file = NULL,
  fps = NULL,
  frames = NULL,
  file_col = "FilePath",
  parallel = FALSE,
  workers = 1,
  checkpoint = 1000
)

Arguments

files	dataframe of videos
out_dir	directory to save frames to
out_file	file to which results will be saved
fps	frames per second, otherwise determine mathematically
frames	number of frames to sample
file_col	string value indexing which column contains file paths
parallel	Toggle for parallel processing, defaults to FALSE
workers	number of processors to use if parallel, defaults to 1
checkpoint	if not parallel, checkpoint ever n files, defaults to 1000

Value

dataframe of still frames for each video

Examples

## Not run: 
frames <- extractFrames(videos, out_dir = "C:\\Users\\usr\\Videos\\", frames = 5)

## End(Not run)

icr-ctl/animl documentation built on Feb. 16, 2025, 11:33 p.m.