Unable to recognise small size image

[Heeramani Prasad]

I am trying to recognise various images For some examples it work.But it fails to recognise small images. I am attaching some sample images  here for references.

Any help would be appreciated!

[Shree Devi Kumar]

try --psm 6 --dpi 300

ubuntu@tesseract-ocr:~/TEST$ tesseract small.png - --psm 6 --dpi 300

a) !

b) |

c) *

d) _

ubuntu@tesseract-ocr:~/TEST$ tesseract small.png - --psm 6

a) !

b) |

c) *

d) _

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[Heeramani Prasad]

Thanks a lot. Its now working fine. I am struggling for it around weekend. 

Here is result.

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