node-opencv issues

Homebrew update

1

I think OpenCV has been moved from `homebrew/science` to [homebrew/core](https://github.com/Homebrew/homebrew-core/blob/master/Formula/opencv.rb). Also, the default OpenCV version is [now 3.x](https://github.com/Homebrew/homebrew-core/blob/master/Formula/opencv.rb#L4), so by running `brew install opencv` you will get the _not fully...

pasine

OpenCV Error: Null pointer (Hidden cascade has not been created. Use cvSetImagesForHaarClassifierCascade)

17

``` OpenCV Error: Null pointer (Hidden cascade has not been created. Use cvSetImagesForHaarClassifierCascade) in cvRunHaarClassifierCascadeSum, file /tmp/opencv-pKns/OpenCV-2.4.2/modules/objdetect/src/haar.cpp, line 671 libc++abi.dylib: terminate called throwing an exception Abort trap: 6 ``` I...

yocontra

bug

center point is not added to resulting object in Contour::MinAreaRect

https://github.com/peterbraden/node-opencv/blob/8a9c02a5e4610197e03634e01ccccc6bfb3119b9/src/Contours.cc#L197

ssttevee

Opaque snapshot - VideoCapture

Hi, when I try to take a single snapshot with `read` and `save` methods I get an opaque image. Since the camera takes sometime to initialize I used a `setTimeout`...

sant123

How to achive OpenCv function in node-js

Hi How to achive in Node-opencv adaptiveThreshold(img1, img1, 255, CV_ADAPTIVE_THRESH_MEAN_C, CV_THRESH_BINARY_INV, 75, 10); resize(img1, img1, Size(1024, nrow), 0, 0, CV_INTER_AREA); and vector arList; in NodeJS

CEswar

How to dot multiply and add two matrix

6

Hi, Is there any way to just dot multiply two matrices AND is there any way ti simply add two matrices? Thanks, Ahmed Ehsan

ahmed-ehsan

error in use toBuffer()

1

when modifying example mat-put.js ``` var opencv = require('../lib/opencv'); var mat = new opencv.Matrix(225,225,opencv.Constants.CV_8UC3); // //var buf = Buffer(225*225*3).fill(0); var buf = mat.toBuffer(); console.log("length-", buf.length); for(var i=0;i var buf =...

mariantonia