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Jun 19th, 2019
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  1. library(tesseract)
  2. library(magick)
  3. library(tidyverse)
  4. library(gsubfn)
  5.  
  6. get_jpeg_date <- function(folder) {
  7. file_list <- list.files(path=folder, pattern="*.jpg", recursive = T)
  8. image_dates <- as.data.frame(file_list)
  9. image_dates $ ImageDate <- rep_len(x = NA, length.out = length(file_list))
  10. eng <- tesseract("eng")
  11.  
  12. for (i in length(file_list) ) {
  13. ImageDate <- image_read(paste(folder,"\",file_list, sep = ""))%>%
  14. image_resize("2000") %>%
  15. image_crop("300x100+1800") %>%
  16. tesseract::ocr(engine = eng) %>%
  17. strapplyc("\d+/\d+/\d+", simplify = TRUE)%>%
  18. image_dates[,i]
  19. }
  20. }
  21.  
  22. x <- get_jpeg_date(folder = folder)
  23.  
  24. folder <- "C:/file_path"
  25.  
  26. x <- get_jpeg_date(folder = folder)
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