| process_batch_dir {handwriter} | R Documentation |
Process Batch Directory
Description
Process a list of handwriting samples saved as PNG images in a directory:
(1) Load the image and convert it to black and white with readPNGBinary()
(2) Thin the handwriting to one pixel in width with thinImage()
(3) Run processHandwriting() to split the handwriting into parts called edges and place nodes at the ends of
edges. Then combine edges into component shapes called graphs.
(4) Save the processed document in an RDS file.
(5) Optional. Return a list of the processed documents.
Usage
process_batch_dir(input_dir, output_dir = ".", skip_docs_on_retry = TRUE)
Arguments
input_dir |
Input directory that contains images |
output_dir |
A directory to save the processed images |
skip_docs_on_retry |
Logical whether to skip documents in input_dir that
caused errors on a previous run. The errors and document names are stored
in output_dir > problems.txt. If this is the first run,
|
Value
A list of processed documents
Examples
## Not run:
process_batch_list("path/to/input_dir", "path/to/output_dir")
docs <- process_batch_list("path/to/input_dir", "path/to/output_dir")
## End(Not run)