go-ocr

POC to test lib tesseract with portuguese and english language.

edit: now just portuguese for performance: test perf test perf 2

Notes

This works properly using images with 300 dpi <= x <= 600 dpi.

Install

go mod vendor

Deps

gcc g++ libc-dev tesseract-ocr tesseract-ocr-dev leptonica-dev

Get portuguese model

wget -q -P /usr/share/tessdata/ https://github.com/tesseract-ocr/tessdata_best/raw/master/por.traineddata

Docker

# Pull docker image
make docker/build

# Enter shell on docker
make docker/shell

# Inside docker
cd /go/src/github.com/arthurhenrique/go-ocr

# Installing gosseract deps
go mod vendor

# Running
go run *.go