Hi,
Do we have other Multimedia Analytics documentation?
https://docs.oracle.com/cd/E65728_01/doc.43/e67958/GUID-4B15F058-BCE7-4A3C-A6B8-163DB2D4368B.htm#BDSPA-GUID-4F675754-CA87-4DF8-ABE2-6E0E365A9D99
There is a partner in Brazil who is having difficulty developing the application in Multimedia Analytics due to lack of documentation and difficulty in finding ways to solve the problems that are appearing.
At the present time they are only able to do the analysis with jpg (other types didn´t work) .. and when they are comparing image in gray scale the error below appears:
17/05/26 09:48:21 INFO mapreduce.Job: Task Id : attempt_1495798831960_0004_m_000000_2, Status : FAILED
Error: CvException [org.opencv.core.CvException: cv::Exception: /scratch2/analytics/3rdparty/opencv/opencv_3.1.0/src/opencv-3.1.0/modules/imgproc/src/color.cpp:8000: error: (-215) scn == 3 || scn == 4 in function cvtColor
]
at org.opencv.imgproc.Imgproc.cvtColor_1(Native Method)
at org.opencv.imgproc.Imgproc.cvtColor(Imgproc.java:1724)
at oracle.ord.hadoop.mapreduce.OrdOpenCVObjectRecognizer.findObjectsJSON(OrdOpenCVObjectRecognizer.java:409)
at oracle.ord.hadoop.mapreduce.OrdOpenCVFaceRecognizerMulti.processFrame(OrdOpenCVFaceRecognizerMulti.java:104)
at oracle.ord.hadoop.mapreduce.OrdOpenCVFaceRecognizerMulti.processFrame(OrdOpenCVFaceRecognizerMulti.java:54)
at oracle.ord.hadoop.mapreduce.OrdVideoAnalyzer$OrdVideoMapper.map(OrdVideoAnalyzer.java:108)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1698)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158
Anyone have an example?
Regards,
Eder Couto