Cov txheej txheem:
Video: Yuav ua li cas kuv thiaj li txuag tau ib tug ncej los ntawm ib tug yees duab hauv OpenCV Python?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2024-01-18 08:24
Extracting thiab Txuag Video Frames siv OpenCV-Python
- Qhib lub Video file los yog siv lub koob yees duab cv2 ua . VideoCapture()
- Nyeem ncej los ntawm ncej .
- Txuag txhua ncej siv cv2 ua . sau ntawv ()
- Tso VideoCapture thiab rhuav tshem txhua qhov rais.
Tsis tas li ntawd, kuv yuav ua li cas rub tawm cv2 hauv Python?
Download tau qhov tseeb OpenCV tso tawm los ntawm qhov chaw sourceforge thiab ob-nias kom rho tawm nws
- Mus rau opencv/build/python/2.7 folder.
- ua cv2. pyd rau C:/Python27/lib/site-packeges.
- Qhib Python IDLE thiab ntaus cov lej hauv qab no hauv Python davhlau ya nyob twg. > > > import cv2 >>> print cv2. _version_
Kuv yuav rho cov duab los ntawm mp4 li cas? Xaiv tus ncej koj xav tau rho tawm los ntawm video, nyem rau ntawm "Cov ntaub ntawv" nyob rau sab laug ces kaum ntawm qhov kev pab cuam, ces nias "Export"> " Duab sequence." Nkag mus lossis hloov lub npe ntawm cov ntaub ntawv, tom qab ntawd xaiv ib lub nplaub tshev rau cov duab , xaiv hom ntawv, nyem rau ntawm "OK" thiab tos kom txog thaum lub duab dim.
Ib yam li ntawd, koj ua li cas thiaj li ua rau cov thav duab los ntawm thav duab video?
Nyem "Kho kom raug" tab, ces nias " Sib cais . " Qhov no yuav cais cov clip los ntawm cov yeeb yaj kiab tas li. Nyem rau ntawm tus xub xub yuam kev hauv qhov bar navigation kom txav tus cursor ib. ncej pem hauv ntej. Nyem "Kho kom raug" tab, ces nias " Sib cais ." Rov ua qhov txheej txheem no kom txog thaum koj tag nrho cov yeeb yaj kiab tawg rau hauv ncej.
Yuav ua li cas koj ua ib tug duab los ntawm ib tug yeeb yam nyob rau hauv Python?
Tsim Video los ntawm Duab siv OpenCV-Python
- Nqa tag nrho cov duab cov npe npe siv glob.
- Nyeem tag nrho cov duab siv cv2. imread()
- Khaws tag nrho cov duab rau hauv ib daim ntawv teev npe.
- Tsim cov khoom VideoWriter siv cv2. VideoWriter()
- Txuag cov duab rau hauv cov ntaub ntawv video siv cv2. VideoWriter(). sau()
- Tso VideoWriter thiab rhuav tshem txhua qhov rais.
Pom zoo:
Kuv yuav teeb kuv lub koob yees duab li cas rau kev yees duab toj roob hauv pes?
Kev yees duab toj roob hauv pes yog qhov hloov pauv zoo nkauj thaum nws los txog rau lub koob yees duab uas koj siv. Txawm li cas los xij, ib qho kev qhia zoo, txawm li cas los xij, yog siv lub koob yees duab, lub shutter ceev ntawm 1/10th ntawm ib thib ob thiab peb vib nas this, aperture ntawm f/11 thiab f/16, thiab ISO ntawm 100
Yuav ua li cas kuv txuag tau ib tug yees duab los ntawm ib lub website chrome?
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Kuv yuav nkag mus rau kuv lub koob yees duab yees duab ntawm kuv lub laptop Dell li cas?
Nyem rau "Start" khawm, nyem "Khiav," ntaus "C:DELLDRIVERSR173082" nyob rau hauv cov ntawv nyeem thiab nias "Enter" los khiav tus tsav tsheb. Pib dua koj lub computer tom qab tus tsav tsheb tiav lawm. Tua tawm daim ntawv thov koj xav siv koj lub webcam nrog, xws li Skype lossis Yahoo! Messenger
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