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An example of using OpenCV library in server environment using Node.js

License: BSD 3-Clause "New" or "Revised" License

JavaScript 81.54% CSS 3.27% HTML 15.19%

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WHY? node run.js
dk@ubuntu:~/CloudCV/node_modules/cloudcv$ node run.js

module.js:340
throw err;
^
Error: Cannot find module './build/Release/cv'
at Function.Module._resolveFilename (module.js:338:15)
at Function.Module._load (module.js:280:25)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at Object. (/home/dk/CloudCV/node_modules/cloudcv/run.js:1:72)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)

npm install is failing

I'm running a Mac with Yosemite.

I tried to install this by cloning the repository, then running

npm install

and I get the following errors


> (node-gyp rebuild 2> builderror.log) || (exit 0)

  CXX(target) Release/obj.target/bufferutil/src/bufferutil.o
  SOLINK_MODULE(target) Release/bufferutil.node
  SOLINK_MODULE(target) Release/bufferutil.node: Finished
  CXX(target) Release/obj.target/validation/src/validation.o
  SOLINK_MODULE(target) Release/validation.node
  SOLINK_MODULE(target) Release/validation.node: Finished

> [email protected] install /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/socket.io/node_modules/socket.io-client/node_modules/engine.io-client/node_modules/ws
> (node-gyp rebuild 2> builderror.log) || (exit 0)

  CXX(target) Release/obj.target/bufferutil/src/bufferutil.o
  SOLINK_MODULE(target) Release/bufferutil.node
  SOLINK_MODULE(target) Release/bufferutil.node: Finished
  CXX(target) Release/obj.target/validation/src/validation.o
  SOLINK_MODULE(target) Release/validation.node
  SOLINK_MODULE(target) Release/validation.node: Finished

> [email protected] install /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/mongojs/node_modules/mongodb/node_modules/kerberos
> (node-gyp rebuild 2> builderror.log) || (exit 0)

  CXX(target) Release/obj.target/kerberos/lib/kerberos.o
  CXX(target) Release/obj.target/kerberos/lib/worker.o
  CC(target) Release/obj.target/kerberos/lib/kerberosgss.o
  CC(target) Release/obj.target/kerberos/lib/base64.o
  CXX(target) Release/obj.target/kerberos/lib/kerberos_context.o
  SOLINK_MODULE(target) Release/kerberos.node
  SOLINK_MODULE(target) Release/kerberos.node: Finished

> [email protected] install /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/mongojs/node_modules/mongodb/node_modules/bson
> (node-gyp rebuild 2> builderror.log) || (exit 0)

  CXX(target) Release/obj.target/bson/ext/bson.o
  SOLINK_MODULE(target) Release/bson.node
  SOLINK_MODULE(target) Release/bson.node: Finished

> [email protected] install /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv
> node installer.js

Loading OpenCV from  http://static.computer-vision-talks.com/dist/opencv/opencv-3.0.0-darwin.zip
     fetch : http://static.computer-vision-talks.com/dist/opencv/opencv-3.0.0-darwin.zip
  progress : [====================] 100% 0.0s

File downloaded successfully!

> [email protected] install /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend
> node-gyp rebuild

  CXX(target) Release/obj.target/cloudcv/src/cloudcv.o
In file included from ../src/cloudcv.cpp:4:
In file included from ../src/framework/Image.hpp:4:
In file included from /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/opencv.hpp:55:
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:971:18: warning: 'CvForestTree::train' hides overloaded
      virtual functions [-Woverloaded-virtual]
    virtual bool train( CvDTreeTrainData\* trainData, const CvMat\* _subsample_idx, CvRTrees\* forest );
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:875:18: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (2 vs 3)
    virtual bool train( CvMLData\* trainData, CvDTreeParams params=CvDTreeParams() );
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:885:26: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (8 vs 3)
    CV_WRAP virtual bool train( const cv::Mat& trainData, int tflag,
                         ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:1161:18: warning: 'CvBoostTree::train' hides overloaded
      virtual functions [-Woverloaded-virtual]
    virtual bool train( CvDTreeTrainData\* trainData,
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:875:18: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (2 vs 3)
    virtual bool train( CvMLData\* trainData, CvDTreeParams params=CvDTreeParams() );
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:885:26: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (8 vs 3)
    CV_WRAP virtual bool train( const cv::Mat& trainData, int tflag,
                         ^
2 warnings generated.
  CXX(target) Release/obj.target/cloudcv/src/framework/marshal/marshal.o
  CXX(target) Release/obj.target/cloudcv/src/framework/marshal/stl.o
In file included from ../src/framework/marshal/stl.cpp:1:
In file included from ../src/framework/marshal/marshal.hpp:19:
In file included from ../src/framework/marshal/opencv.hpp:3:
In file included from /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/opencv.hpp:55:
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:971:18: warning: 'CvForestTree::train' hides overloaded
      virtual functions [-Woverloaded-virtual]
    virtual bool train( CvDTreeTrainData\* trainData, const CvMat\* _subsample_idx, CvRTrees\* forest );
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:875:18: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (2 vs 3)
    virtual bool train( CvMLData\* trainData, CvDTreeParams params=CvDTreeParams() );
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:885:26: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (8 vs 3)
    CV_WRAP virtual bool train( const cv::Mat& trainData, int tflag,
                         ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:1161:18: warning: 'CvBoostTree::train' hides overloaded
      virtual functions [-Woverloaded-virtual]
    virtual bool train( CvDTreeTrainData\* trainData,
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:875:18: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (2 vs 3)
    virtual bool train( CvMLData\* trainData, CvDTreeParams params=CvDTreeParams() );
                 ^
/Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv/opencv/include/opencv2/ml.hpp:885:26: note: hidden overloaded virtual function
      'CvDTree::train' declared here: different number of parameters (8 vs 3)
    CV_WRAP virtual bool train( const cv::Mat& trainData, int tflag,
                         ^
In file included from ../src/framework/marshal/stl.cpp:2:
../src/framework/Logger.h:43:1: warning: '/_' within block comment [-Wcomment]
/_
^
../src/framework/marshal/stl.cpp:16:31: error: calling a private constructor of class 'NanAsciiString'
        NanAsciiString cStr = NanAsciiString(inVal);
                              ^
../node_modules/nan/nan.h:1747:5: note: declared private here
    NanAsciiString(const NanAsciiString&);
    ^
../src/framework/marshal/stl.cpp:17:42: warning: 'Size' is deprecated [-Wdeprecated-declarations]
        outVal = std::string(_cStr, cStr.Size());
                                         ^
../node_modules/nan/nan.h:1729:35: note: 'Size' has been explicitly marked deprecated here
    NAN_DEPRECATED NAN_INLINE int Size() const {
                                  ^
4 warnings and 1 error generated.
make: *_\* [Release/obj.target/cloudcv/src/framework/marshal/stl.o] Error 1
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:810:12)
gyp ERR! System Darwin 14.0.0
gyp ERR! command "node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Users/michaelwhitley/Documents/Developer/NodeApps/CloudCV/node_modules/cloudcv-backend
gyp ERR! node -v v0.10.30
gyp ERR! node-gyp -v v1.0.2
gyp ERR! not ok 

npm ERR! Darwin 14.0.0
npm ERR! argv "node" "/usr/local/bin/npm" "i"
npm ERR! node v0.10.30
npm ERR! npm  v2.0.2
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.
npm ERR! This is most likely a problem with the cloudcv-backend 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 their info via:
npm ERR!     npm owner ls cloudcv-backend
npm ERR! There is likely additional logging output above.```

Any help is greatly appreciated.

Installation fails on ubuntu 14.04

sudo npm install
/

[email protected] install /home/mahesh/CloudCVImpl/CloudCV/node_modules/cloudcv-backend/node_modules/native-opencv
node installer.js

Loading OpenCV from http://static.computer-vision-talks.com/dist/opencv/opencv-3.0.0-unix.zip
fetch : http://static.computer-vision-talks.com/dist/opencv/opencv-3.0.0-unix.zip
progress : [====================] 100% 0.0s

File downloaded successfully!

[email protected] install /home/mahesh/CloudCVImpl/CloudCV/node_modules/cloudcv-backend
node-gyp rebuild

make: Entering directory /home/mahesh/CloudCVImpl/CloudCV/node_modules/cloudcv-backend/build' CXX(target) Release/obj.target/cloudcv/src/cloudcv.o CXX(target) Release/obj.target/cloudcv/src/framework/marshal/marshal.o CXX(target) Release/obj.target/cloudcv/src/framework/marshal/stl.o In file included from ../src/framework/marshal/stl.cpp:2:0: ../src/framework/Logger.h:43:1: warning: "/*" within comment [-Wcomment] /* ^ ../src/framework/marshal/stl.cpp: In function ‘bool MarshalToNative(V8Result, std::string&)’: ../src/framework/marshal/stl.cpp:17:47: warning: ‘int NanAsciiString::Size() const’ is deprecated (declared at ../node_modules/nan/nan.h:1229) [-Wdeprecated-declarations] outVal = std::string(*cStr, cStr.Size()); ^ CXX(target) Release/obj.target/cloudcv/src/framework/marshal/opencv.o In file included from ../src/framework/marshal/node_object_builder.hpp:7:0, from ../src/framework/marshal/opencv.cpp:2: ../src/framework/Logger.h:43:1: warning: "/*" within comment [-Wcomment] /* ^ CXX(target) Release/obj.target/cloudcv/src/framework/marshal/primitives.o CXX(target) Release/obj.target/cloudcv/src/framework/marshal/node_object_builder.o In file included from ../src/framework/marshal/node_object_builder.hpp:7:0, from ../src/framework/marshal/node_object_builder.cpp:1: ../src/framework/Logger.h:43:1: warning: "/*" within comment [-Wcomment] /* ^ CXX(target) Release/obj.target/cloudcv/src/framework/Image.o In file included from ../src/framework/NanCheck.hpp:14:0, from ../src/framework/Image.cpp:3: ../src/framework/Logger.h:43:1: warning: "/*" within comment [-Wcomment] /* ^ In file included from ../node_modules/nan/nan.h:74:0, from ../src/framework/Image.hpp:5, from ../src/framework/Image.cpp:1: ../node_modules/nan/nan_new.h: In instantiation of ‘typename NanIntern::Factory<T>::return_t NanNew(A0) [with T = v8::Integer; A0 = long unsigned int; typename NanIntern::Factory<T>::return_t = v8::Local<v8::Integer>]’: ../src/framework/Image.cpp:174:9: required from here ../node_modules/nan/nan_new.h:209:41: error: call of overloaded ‘New(long unsigned int&)’ is ambiguous return NanIntern::Factory<T>::New(arg0); ^ ../node_modules/nan/nan_new.h:209:41: note: candidates are: In file included from ../node_modules/nan/nan_new.h:194:0, from ../node_modules/nan/nan.h:74, from ../src/framework/Image.hpp:5, from ../src/framework/Image.cpp:1: ../node_modules/nan/nan_implementation_pre_12_inl.h:125:1: note: static NanIntern::IntegerFactory<T>::return_t NanIntern::IntegerFactory<T>::New(int32_t) [with T = v8::Integer; NanIntern::IntegerFactory<T>::return_t = v8::Local<v8::Integer>; int32_t = int] IntegerFactory<T>::New(int32_t value) { ^ In file included from ../node_modules/nan/nan.h:74:0, from ../src/framework/Image.hpp:5, from ../src/framework/Image.cpp:1: ../node_modules/nan/nan_new.h:110:26: note: static NanIntern::IntegerFactory<T>::return_t NanIntern::IntegerFactory<T>::New(uint32_t) [with T = v8::Integer; NanIntern::IntegerFactory<T>::return_t = v8::Local<v8::Integer>; uint32_t = unsigned int] static inline return_t New(uint32_t value); ^ In file included from ../node_modules/nan/nan.h:74:0, from ../src/framework/Image.hpp:5, from ../src/framework/Image.cpp:1: ../node_modules/nan/nan_new.h: In function ‘typename NanIntern::Factory<T>::return_t NanNew(A0) [with T = v8::Integer; A0 = long unsigned int; typename NanIntern::Factory<T>::return_t = v8::Local<v8::Integer>]’: ../node_modules/nan/nan_new.h:210:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ ../src/framework/Image.cpp: In static member function ‘static v8::Handle<v8::Value> cloudcv::ImageView::AsJpegStream(const v8::Arguments&)’: ../src/framework/Image.cpp:196:5: warning: control reaches end of non-void function [-Wreturn-type] } ^ ../src/framework/Image.cpp: In static member function ‘static v8::Handle<v8::Value> cloudcv::ImageView::AsPngStream(const v8::Arguments&)’: ../src/framework/Image.cpp:217:5: warning: control reaches end of non-void function [-Wreturn-type] } ^ ../src/framework/Image.cpp: In static member function ‘static v8::Handle<v8::Value> cloudcv::ImageView::Thumbnail(const v8::Arguments&)’: ../src/framework/Image.cpp:253:5: warning: control reaches end of non-void function [-Wreturn-type] } ^ ../src/framework/Image.cpp: In static member function ‘static v8::Handle<v8::Value> cloudcv::ImageView::AsPngDataUri(const v8::Arguments&)’: ../src/framework/Image.cpp:274:5: warning: control reaches end of non-void function [-Wreturn-type] } ^ ../src/framework/Image.cpp: In static member function ‘static v8::Handle<v8::Value> cloudcv::ImageView::AsJpegDataUri(const v8::Arguments&)’: ../src/framework/Image.cpp:347:5: warning: control reaches end of non-void function [-Wreturn-type] } ^ ../src/framework/Image.cpp: In function ‘v8::Handle<v8::Value> cloudcv::loadImage(const v8::Arguments&)’: ../src/framework/Image.cpp:426:5: warning: control reaches end of non-void function [-Wreturn-type] } ^ make: *** [Release/obj.target/cloudcv/src/framework/Image.o] Error 1 make: Leaving directory/home/mahesh/CloudCVImpl/CloudCV/node_modules/cloudcv-backend/build'
gyp ERR! build error
gyp ERR! stack Error: make failed with exit code: 2
gyp ERR! stack at ChildProcess.onExit (/usr/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack at ChildProcess.emit (events.js:98:17)
gyp ERR! stack at Process.ChildProcess._handle.onexit (child_process.js:810:12)
gyp ERR! System Linux 3.13.0-27-generic
gyp ERR! command "node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /home/mahesh/CloudCVImpl/CloudCV/node_modules/cloudcv-backend
gyp ERR! node -v v0.10.33
gyp ERR! node-gyp -v v1.0.1
gyp ERR! not ok

npm ERR! [email protected] install: node-gyp rebuild
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install script.
npm ERR! This is most likely a problem with the cloudcv-backend 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 their info via:
npm ERR! npm owner ls cloudcv-backend
npm ERR! There is likely additional logging output above.
npm ERR! System Linux 3.13.0-27-generic
npm ERR! command "/usr/bin/node" "/usr/bin/npm" "install"
npm ERR! cwd /home/mahesh/CloudCVImpl/CloudCV
npm ERR! node -v v0.10.33
npm ERR! npm -v 1.4.28
npm ERR! code ELIFECYCLE
npm ERR! not ok code 0

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