node-opencv

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I have a binary encoded string which when i save as image gets saved correct but when i pass this string to readimage function it gives error . What is...

AditiBhiwaniwala

I have byte array of image taken from S3 and now I want to convert it into image object using `opencv` in `node.js` as I did in `Golang`. the code...

vg123

WIN8 -- fatal error C1021: invalid preprocessor command 'warning'

1

``` ..\src\BackgroundSubtractor.cc(7): fatal error C1021: invalid preprocessor comm and 'warning' [C:\Users\Victor\node_modules\opencv\build\opencv.vcxproj] ..\src\Stereo.cc(5): fatal error C1021: invalid preprocessor command 'warning' [C:\Users\Victor\node_modules\opencv\build\opencv.vcxproj] c:\users\victor\node_modules\opencv\node_modules\nan\nan_new.h(208): warning C4 267: 'argument' : conversion from 'size_t' to...

Haskman

npm WARN lifecycle [email protected]~install: cannot run in wd @ Ubuntu

3

``` npm WARN lifecycle [email protected]~install: cannot run in wd %s %s (wd=%s) [email protected] node-pre-gyp install --fallback-to-build /home/ryuk/lfreneda/work/others/node-opencv ``` Help?

lfreneda

Segmentation fault on Matrix::Get() and Matrix::Pixel() + src documentation

2

My problem is two-fold. I'm attempting to provide some very simple typescript definition files to garner interest in further developing this code base. But documentation is severely lacking and I'm...

troywweber7

TypeScript definition file proposal

3

I'm currently trying to work with this project and develop a typescript definition file as I go (at a minimum for the features I'm using). As I amass definitions that...

troywweber7

example of saving a video file

1

Hello, can you give me a hint on or point me to an example of how to save to a video file? Is this possible with this project or can...

troywweber7

calcOpticalFlowPyrLK is not a function

2

Hello, The example of optical-flow doesn't work for me > var flow = old_frame.calcOpticalFlowPyrLK(newFrame, goodFeatures, lk_params.winSize, lk_params.maxLevel, lk_params.criteria); ^ TypeError: old_frame.calcOpticalFlowPyrLK is not a function at /home/zahar/workplace/openCV/node-opencv/examples/optical-flow.js:44:30 what causes this?

ZacharAdn

FaceRecognizer predictSync to return array of closest matching faces

5

This is a "Help wanted" issue. Is there a method on the `FaceRecognizer.{algorithm}` object to return an array of objects where I can then order them by confidence (lowest to...

enijar

Get Matrix value : `mat.get` vs `mat.pixel`

1

Hello, I'm not sure of the idea behind `mat.get(i, j)` vs `mat.pixel(i, j)`. On my understanding : * `mat.get(i, j)` is for any non-image Matrix * `mat.pixel(i, j)` is for...

piercus