def imagesInDirToStrings(dir):
files = Helpers.getFilesByExtFromDir(dir, ".png")
i, texts = 1, []
for fileName in files:
image = OCR.getFilteredImage(os.path.join(dir, fileName))
lines = OCR.imageToStringArray(image)
texts.append(lines)
Helpers.progressBar(str(i) + "/" + str(len(files)), i, len(files))
i += 1
print ""
return texts
