How to load an extremely large image?

[github-0-searcher]

I am trying to load a very large image (40000,40000). I got these error.

I gather that there is an approach in python opencv by setting an environment variable OPENCV_IO_MAX_IMAGE_PIXELS.

Is there anything similar in gocv?

Starting: C:\Users\me\go\bin\dlv.exe dap --listen=127.0.0.1:13540 from C:\Users\me\Desktop\annotator
DAP server listening at: 127.0.0.1:13540
Type 'dlv help' for list of commands.
Exception 0x20474343 0x12c6b82cf60 0x0 0x7fff92464c3c
PC=0x7fff92464c3c
signal arrived during external code execution

runtime.cgocall(0x7ff6574d06f1, 0xc0000b9cc0)
C:/Programs/Go/src/runtime/cgocall.go:157 +0x3e fp=0xc0000b9c90 sp=0xc0000b9c58 pc=0x7ff6573e557e
gocv.io/x/gocv._Cfunc_Image_IMRead(0x12c6b87cfd0, 0x0)
_cgo_gotypes.go:2140 +0x56 fp=0xc0000b9cc0 sp=0xc0000b9c90 pc=0x7ff6574c9fb6
gocv.io/x/gocv.IMRead({0x7ff65751fc56, 0x5}, 0x0)
C:/Users/me/go/pkg/mod/gocv.io/x/gocv@v0.34.0/imgcodecs.go:139 +0x91 fp=0xc0000b9d58 sp=0xc0000b9cc0 pc=0x7ff6574ca931
annotator/anno.(*ImagePair).ScanBBox(0xc0000b9ef0, 0x5)
C:/Users/me/Desktop/annotator/anno/pairs.go:40 +0x4e fp=0xc0000b9ee0 sp=0xc0000b9d58 pc=0x7ff6574caece
main.main()
C:/Users/me/Desktop/annotator/main.go:25 +0x48 fp=0xc0000b9f68 sp=0xc0000b9ee0 pc=0x7ff6574cb728
runtime.main()
C:/Programs/Go/src/runtime/proc.go:267 +0x247 fp=0xc0000b9fe0 sp=0xc0000b9f68 pc=0x7ff65741d9c7
runtime.goexit()
C:/Programs/Go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000b9fe8 sp=0xc0000b9fe0 pc=0x7ff657446861

goroutine 2 [force gc (idle)]:
runtime.gopark(0x7ff65752ab28, 0x7ff6575c7f40, 0x11, 0x14, 0x1)
C:/Programs/Go/src/runtime/proc.go:398 +0xfc fp=0xc000055f80 sp=0xc000055f50 pc=0x7ff65741de1c
runtime.goparkunlock(0x0?, 0x0?, 0x0?, 0x0?)
C:/Programs/Go/src/runtime/proc.go:404 +0x25 fp=0xc000055fb0 sp=0xc000055f80 pc=0x7ff65741dea5
runtime.forcegchelper()
C:/Programs/Go/src/runtime/proc.go:322 +0xb5 fp=0xc000055fe0 sp=0xc000055fb0 pc=0x7ff65741dc35
runtime.goexit()
C:/Programs/Go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000055fe8 sp=0xc000055fe0 pc=0x7ff657446861
created by runtime.init.6 in goroutine 1
C:/Programs/Go/src/runtime/proc.go:310 +0x1a

goroutine 3 [GC sweep wait]:
runtime.gopark(0x7ff65752ab28, 0x7ff6575c8120, 0xc, 0x14, 0x1)
C:/Programs/Go/src/runtime/proc.go:398 +0xfc fp=0xc000057f50 sp=0xc000057f20 pc=0x7ff65741de1c
runtime.goparkunlock(0x0?, 0x0?, 0x0?, 0x0?)
C:/Programs/Go/src/runtime/proc.go:404 +0x25 fp=0xc000057f80 sp=0xc000057f50 pc=0x7ff65741dea5
runtime.bgsweep(0x0?)
C:/Programs/Go/src/runtime/mgcsweep.go:280 +0xa5 fp=0xc000057fc8 sp=0xc000057f80 pc=0x7ff657406485
runtime.gcenable.func1()
C:/Programs/Go/src/runtime/mgc.go:200 +0x25 fp=0xc000057fe0 sp=0xc000057fc8 pc=0x7ff6573fa8c5
runtime.goexit()
C:/Programs/Go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000057fe8 sp=0xc000057fe0 pc=0x7ff657446861
created by runtime.gcenable in goroutine 1
C:/Programs/Go/src/runtime/mgc.go:200 +0x66

goroutine 4 [GC scavenge wait]:
runtime.gopark(0x7ff65752ab28, 0x7ff6575c8280, 0xd, 0x14, 0x2)
C:/Programs/Go/src/runtime/proc.go:398 +0xfc fp=0xc000065f40 sp=0xc000065f10 pc=0x7ff65741de1c
runtime.goparkunlock(0x7ff65752ff70?, 0x1?, 0x0?, 0xc000052b60?)
C:/Programs/Go/src/runtime/proc.go:404 +0x25 fp=0xc000065f70 sp=0xc000065f40 pc=0x7ff65741dea5
runtime.(*scavengerState).park(0x7ff6575c8280)
C:/Programs/Go/src/runtime/mgcscavenge.go:425 +0x45 fp=0xc000065f98 sp=0xc000065f70 pc=0x7ff657403705
runtime.bgscavenge(0x0?)
C:/Programs/Go/src/runtime/mgcscavenge.go:653 +0x45 fp=0xc000065fc8 sp=0xc000065f98 pc=0x7ff657403c65
runtime.gcenable.func2()
C:/Programs/Go/src/runtime/mgc.go:201 +0x25 fp=0xc000065fe0 sp=0xc000065fc8 pc=0x7ff6573fa865
runtime.goexit()
C:/Programs/Go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000065fe8 sp=0xc000065fe0 pc=0x7ff657446861
created by runtime.gcenable in goroutine 1
C:/Programs/Go/src/runtime/mgc.go:201 +0xa5

goroutine 18 [finalizer wait]:
runtime.gopark(0x7ff65752aa10, 0x7ff65761d748, 0x10, 0x14, 0x1)
C:/Programs/Go/src/runtime/proc.go:398 +0xfc fp=0xc000059e28 sp=0xc000059df8 pc=0x7ff65741de1c
runtime.runfinq()
C:/Programs/Go/src/runtime/mfinal.go:193 +0xfa fp=0xc000059fe0 sp=0xc000059e28 pc=0x7ff6573f997a
runtime.goexit()
C:/Programs/Go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000059fe8 sp=0xc000059fe0 pc=0x7ff657446861
created by runtime.createfing in goroutine 1
C:/Programs/Go/src/runtime/mfinal.go:163 +0x45
rax 0x12c6b82d270
rbx 0x12c6b82cf60
rcx 0x12c06040002
rdi 0x7066d460
rsi 0x707b01e0
rbp 0x12c6b82cfe0
rsp 0x10cffff5d0
r8 0x12c6b82d270
r9 0x12c6b820754
r10 0x80
r11 0x191042abf
r12 0x12c6b82d000
r13 0x12c6b82aa80
r14 0x10cffff9b0
r15 0x10cffff96c
rip 0x7fff92464c3c
rflags 0x204
cs 0x33
fs 0x53
gs 0x2b
Process 25580 has exited with status 2
Detaching