PageSegMode will be Initialized to 6 after executing Client.Text()

[avan06]

Summary

• PageSegMode will be Initialized to 6 after executing Client.Text()

Reproducibility

Reproducibility Frequency

• 100%

Reproducible

client := gosseract.NewClient()
client.SetLanguage("jpn_vert")
client.SetPageSegMode(gosseract.PSM_SINGLE_BLOCK_VERT_TEXT)	//set 5
fmt.Println(`PageSegMode1:`, client.GetPageSegMode())		//show 5
client.SetImageFromBytes(data)		//data is image of []byte
client.Text()	//This step will execute client.init() before outputting the OCR text.
fmt.Println(`PageSegMode2:`, client.GetPageSegMode())		//show 6

• PS. I added GetPageSegMode() on
• "github.com\otiai10\gosseract\client.go" for show PageSegMode

func (client *Client) GetPageSegMode() PageSegMode {
	return PageSegMode(C.GetPageSegMode(client.api))
}

Environment

Windows 10 using MSYS2 and Development by VSCODE
uname -a
MSYS_NT-10.0-16299 DESKTOP-QOD72I1 3.0.7-338.x86_64 2019-07-11 10:58 UTC x86_64 Msys

go env
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\avan\AppData\Local\go-build
set GOEXE=.exe
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOOS=windows
set GOPATH=F:\cht\GOPATH
set GOPROXY=
set GORACE=
set GOROOT=F:\cht\go\go1.12.7
set GOTMPDIR=
set GOTOOLDIR=F:\cht\go\go1.12.7\pkg\tool\windows_amd64
set GCCGO=gccgo
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\avan\AppData\Local\Temp\go-build231297478=/tmp/go-build -gno-record-gcc-switches

go version
go version go1.12.7 windows/amd64

tesseract --version
tesseract 4.1.0
 leptonica-1.78.0
  libgif 5.1.8 : libjpeg 8d (libjpeg-turbo 2.0.2) : libpng 1.6.37 : libtiff 4.0.10 : zlib 1.2.11 : libwebp 1.0.3 : libopenjp2 2.3.1
 Found SSE
 Found libarchive 3.4.0 zlib/1.2.11 liblzma/5.2.4 bz2lib/1.0.8 liblz4/1.9.1 libzstd/1.4.0

[otiai10]

@avan06 Could you give me a reproducible Docker?

[alanimgur]

I've been able to confirm this as well. It's causing me to SetPageSegMode before every Text call.

[leftwichj]

I just ran into this issue as well, for now to work around I'm just setting the variable name instead of using the SetPageMode
client.SetVariable("tessedit_pageseg_mode", "1")

In debugging the issue something in the client.init() is resetting the value to the default value of 6, once init() isn't called for subsequent images everything works smoothly.