dense_flow | OpenCV Implementation of different optical flow algorithms | Computer Vision library

by wanglimin C++ Version: Current License: No License

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kandi X-RAY | dense_flow Summary

dense_flow is a C++ library typically used in Artificial Intelligence, Computer Vision, OpenCV applications. dense_flow has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

This is a sample code for extrating dense flow field given a video. Usage: ./denseFlow_gpu -f test.avi -x tmp/flow_x -y tmp/flow_x -i tmp/image -b 20 -t 1 -d 0 -s 1 test.avi: input video tmp: folder containing RGB images and optical flow images.

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dense_flow has a low active ecosystem.

It has 198 star(s) with 212 fork(s). There are 4 watchers for this library.

It had no major release in the last 6 months.

There are 9 open issues and 30 have been closed. On average issues are closed in 23 days. There are 4 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of dense_flow is current.

Quality

dense_flow has 0 bugs and 0 code smells.

Security

dense_flow has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

dense_flow code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

dense_flow does not have a standard license declared.

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Without a license, all rights are reserved, and you cannot use the library in your applications.

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dense_flow releases are not available. You will need to build from source code and install.

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Community Discussions

Trending Discussions on dense_flow

NameError: name 'videos_root' is not defined

cannot find nppi series when building dense_flow with opencv2.4.13

QUESTION

NameError: name 'videos_root' is not defined

Asked 2019-Sep-19 at 07:06

I am trying to generate denseflow for ucf101 dataset but I keep getting the following error:

['ApplyEyeMakeup', 'ApplyLipstick', 'Archery', 'BabyCrawling', 'BalanceBeam', 'BandMarching', 'BaseballPitch', 'Basketball', 'BasketballDunk', 'BenchPress', 'Biking', 'Billiards', 'BlowDryHair', 'BlowingCandles', 'BodyWeightSquats', 'Bowling', 'BoxingPunchingBag', 'BoxingSpeedBag', 'BreastStroke', 'BrushingTeeth', 'CleanAndJerk', 'CliffDiving', 'CricketBowling', 'CricketShot', 'CuttingInKitchen', 'Diving', 'Drumming', 'Fencing', 'FieldHockeyPenalty', 'FloorGymnastics', 'FrisbeeCatch', 'FrontCrawl', 'GolfSwing', 'Haircut', 'Hammering', 'HammerThrow', 'HandstandPushups', 'HandstandWalking', 'HeadMassage', 'HighJump', 'HorseRace', 'HorseRiding', 'HulaHoop', 'IceDancing', 'JavelinThrow', 'JugglingBalls', 'JumpingJack', 'JumpRope', 'Kayaking', 'Knitting', 'LongJump', 'Lunges', 'MilitaryParade', 'Mixing', 'MoppingFloor', 'Nunchucks', 'ParallelBars', 'PizzaTossing', 'PlayingCello', 'PlayingDaf', 'PlayingDhol', 'PlayingFlute', 'PlayingGuitar', 'PlayingPiano', 'PlayingSitar', 'PlayingTabla', 'PlayingViolin', 'PoleVault', 'PommelHorse', 'PullUps', 'Punch', 'PushUps', 'Rafting', 'RockClimbingIndoor', 'RopeClimbing', 'Rowing', 'SalsaSpin', 'ShavingBeard', 'Shotput', 'SkateBoarding', 'Skiing', 'Skijet', 'SkyDiving', 'SoccerJuggling', 'SoccerPenalty', 'StillRings', 'SumoWrestling', 'Surfing', 'Swing', 'TableTennisShot', 'TaiChi', 'TennisSwing', 'ThrowDiscus', 'TrampolineJumping', 'Typing', 'UnevenBars', 'VolleyballSpiking', 'WalkingWithDog', 'WallPushups', 'WritingOnBoard', 'YoYo'] find 13320 videos. get videos list done! Traceback (most recent call last):

File "", line 1, in runfile('D:/Clones/py-denseflow-master/denseflow.py', wdir='D:/Clones/py-denseflow-master')

File "C:\Users\sancy\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 704, in runfile execfile(filename, namespace)

File "C:\Users\sancy\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 108, in execfile exec(compile(f.read(), filename, 'exec'), namespace)

File "D:/Clones/py-denseflow-master/denseflow.py", line 186, in pool.map(dense_flow,zip(video_list,flows_dirs,[step]*len(video_list),[bound]*len(video_list)))

File "C:\Users\sancy\Anaconda3\lib\multiprocessing\pool.py", line 290, in map return self._map_async(func, iterable, mapstar, chunksize).get()

File "C:\Users\sancy\Anaconda3\lib\multiprocessing\pool.py", line 683, in get raise self._value

NameError: name 'videos_root' is not defined

How do I resolve this?

...

ANSWER

Answered 2019-Sep-19 at 07:06

The variable videos_root is not accessible by the dense_flow and the get_videos_list function, you need to pass it during function call as an argument

Like this

Source https://stackoverflow.com/questions/58005396

QUESTION

cannot find nppi series when building dense_flow with opencv2.4.13

Asked 2019-Mar-19 at 10:20

when building dense_flow(https://github.com/yjxiong/dense_flow),

...

ANSWER

Answered 2018-Oct-09 at 08:52

I had the same problem, adding the following symbolic links worked for me:

Source https://stackoverflow.com/questions/48373922

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