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View Code? Open in Web Editor NEWA node.js library for extracting data from scanned forms.
A node.js library for extracting data from scanned forms.
Hello,
I'm having some issues running a .find()
on an image. I am getting this error:
/Users/demouser/node_modules/fv/lib/find_barcodes.js:29
clearedImage = new dv.Image(image);
^
TypeError: expected (image: Image) or (image1: Image, image2: Image, image3: Image) or (format: String, image: Buffer, [width: Int32, height: Int32]) or no arguments at all
Would you happen to know why I am getting this error? I have verified that my image object is indeed there.
I've tried it in many ways and on several different machines and it always happens the same error.
[email protected] install C:\Users\edson\node_modules\dv
node-gyp rebuild
C:\Users\edson\node_modules\dv>if not defined npm_config_node_gyp (node "C:\Program Files (x86)\nodejs\node_modules\npm\bin\node-gyp-bin\....\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "" rebuild )
Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
C:\Users\edson\node_modules\dv\build\deps\jpg\jpg.vcxproj(20,3): error MSB4019: The imported project "C:\Microsoft.Cpp.
Default.props" was not found. Confirm that the path in the declaration is correct, and that the file exists on
disk.
C:\Users\edson\node_modules\dv\build\deps\lodepng\lodepng.vcxproj(20,3): error MSB4019: The imported project "C:\Micros
oft.Cpp.Default.props" was not found. Confirm that the path in the declaration is correct, and that the file e
xists on disk.
C:\Users\edson\node_modules\dv\build\deps\tesseract\libtesseract.vcxproj(20,3): error MSB4019: The imported project "C:
\Microsoft.Cpp.Default.props" was not found. Confirm that the path in the declaration is correct, and that the
file exists on disk.
C:\Users\edson\node_modules\dv\build\deps\zxing\libzxing.vcxproj(20,3): error MSB4019: The imported project "C:\Microso
ft.Cpp.Default.props" was not found. Confirm that the path in the declaration is correct, and that the file ex
ists on disk.
C:\Users\edson\node_modules\dv\build\deps\opencv\libopencv.vcxproj(20,3): error MSB4019: The imported project "C:\Micro
soft.Cpp.Default.props" was not found. Confirm that the path in the declaration is correct, and that the file
exists on disk.
C:\Users\edson\node_modules\dv\build\deps\lswms\liblswms.vcxproj(20,3): error MSB4019: The imported project "C:\Microso
ft.Cpp.Default.props" was not found. Confirm that the path in the declaration is correct, and that the file ex
ists on disk.
C:\Users\edson\node_modules\dv\build\deps\leptonica\liblept.vcxproj(20,3): error MSB4019: The imported project "C:\Micr
osoft.Cpp.Default.props" was not found. Confirm that the path in the declaration is correct, and that the file
exists on disk.
gyp ERR! build error
gyp ERR! stack Error: C:\Program Files (x86)\MSBuild\14.0\bin\msbuild.exe
failed with exit code: 1
gyp ERR! stack at ChildProcess.onExit (C:\Program Files (x86)\nodejs\node_modules\npm\node_modules\node-gyp\lib\build.js:276:23)
gyp ERR! stack at emitTwo (events.js:106:13)
gyp ERR! stack at ChildProcess.emit (events.js:191:7)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
gyp ERR! System Windows_NT 10.0.10586
gyp ERR! command "C:\Program Files (x86)\nodejs\node.exe" "C:\Program Files (x86)\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" "rebuild"
gyp ERR! cwd C:\Users\edson\node_modules\dv
gyp ERR! node -v v7.1.0
gyp ERR! node-gyp -v v3.4.0
gyp ERR! not ok
npm WARN enoent ENOENT: no such file or directory, open 'C:\Users\edson\package.json'
npm WARN edson No description
npm WARN edson No repository field.
npm WARN edson No README data
npm WARN edson No license field.
npm ERR! Windows_NT 10.0.10586
npm ERR! argv "C:\Program Files (x86)\nodejs\node.exe" "C:\Program Files (x86)\nodejs\node_modules\npm\bin\npm-cli.js" "install" "fv"
npm ERR! node v7.1.0
npm ERR! npm v3.10.9
npm ERR! code ELIFECYCLE
npm ERR! [email protected] install: node-gyp rebuild
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install script 'node-gyp rebuild'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the dv package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node-gyp rebuild
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs dv
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls dv
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! C:\Users\edson\Desktop\Doc APOLO\ideias\fv\npm-debug.log
Error while installing fv using npm
virtual memory exhausted: Cannot allocate memory
make: *** [Release/obj.target/libopencv/deps/opencv/modules/imgproc/src/color1.o] Error 1
Hi,
first let me thank you for this great library! It saved me a lot of time!
I am not sure what I am doing wrong or if it is not supported:
I defined my schema as follows:
formSchema = {
page: {
x:0,
y:0,
width: 1833,
height: 971
},
words: [],
fields: [
{
path: 'age_1',
type: 'text',
box: {
x: 385,
y: 213,
width: 65,
height: 94
}
},
{
path: 'age_2',
type: 'text',
box: {
x: 454,
y: 213,
width: 65,
height: 94
}
},
fieldValidator: function(value) {return true;}
}
]
};
Whenever I call form.match like follows ...
form.match(formSchema, (function (_this) {
return function (err, formData) {
console.log(formData);
//console.log(form.toObject());
//return fs.writeFile('example.log.png', form.toImage().toBuffer('png'));
};
})(this));
.. it doesn't match the given positions but has other x and y coordinates in the result set:
age_1:
{ value: 'i',
confidence: 75,
box: { x: 306, y: 297, width: 203, height: 96 },
conflicts: [] },
age_2:
{ value: 'Jahre',
confidence: 88,
box: { x: 542, y: 234, width: 81, height: 25 },
conflicts: [] } }
I double checked the positions/coordinates with photoshop - they are correct as set up in the schema.
Any idea?
Thanks a lot!
Florian
Processing: m10-printed.png
Removing Red
Image { depth: 32, height: 1141, width: 1630 }
Removed
/Volumes/Storage/Git Projects/Scanalytics Server/node_modules/fv/lib/find_barcodes.js:29
clearedImage = new dv.Image(image);
^
TypeError: expected (image: Image) or (image1: Image, image2: Image, image3: Image) or (format: String, image: Buffer, [width: Int
32, height: Int32])
at module.exports.findBarcodes (/Volumes/Storage/Git Projects/Scanalytics Server/node_modules/fv/lib/find_barcodes.js:29:18)
at FormReader.module.exports.FormReader.find (/Volumes/Storage/Git Projects/Scanalytics Server/node_modules/fv/lib/form_reader
.js:179:11)
at FormReader.find (/Volumes/Storage/Git Projects/Scanalytics Server/node_modules/fv/lib/form_reader.js:3:57)
at processImage (/Volumes/Storage/Git Projects/Scanalytics Server/app.js:65:23)
at /Volumes/Storage/Git Projects/Scanalytics Server/app.js:137:14
at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:416:3)
I am trying to test fv and I'm getting this error when it tries to integrate with dv. FV was able to remove red i think because there was a difference in depth and did not produce an error after logging. I also logged the Image being given to the actual find_barcodes.js
script and it looked like this Image { depth: 8, height: 1141, width: 1630 }
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