Video editing and vfx

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Video editing and vfx

  1. 1. video Editing And VFX
  2. 2.  History Contents What is video-editing? Vfx Techniques Challenges Disadvantages Tools
  3. 3. Video Editing • The process of editing: segments of motion video footage special effects sound recordings. FILM=Videos + sounds + Effects
  4. 4. What is VFX ? :a category of special effects in which images or film frames are created and manipulated for film and video.integration of live-action footage with computer generated imagery.
  5. 5. Types Of VFX : Visual effects may be divided into at least four categories:Models: miniature sets and models, animatronics, stop motion animation. Matte paintings and stills: digital or traditional paintings or photographs which serve as background plates for keyed or rotoscoped elements.Live-Action Effects: keying actors or models through bluescreening and greenscreening.Digital animation : computer graphics lighting, texturing ,and rendering computer-generated 3d characters, praticle effect, digital sets, background.
  6. 6. VFX Techniques :Practical effects optical printing prosthetic makeup effects motion control photography morphing In-camera effects Chroma keying miniature effects Stop motion Matte paintings Rotoscoping Optical effects
  7. 7. Chroma Keying It is a technique for compositing two images or frames together in which a color image is removed (transparent) revealing another image behind it. It is commonly used for weather forecast broadcasts. This technique is also used in the entertainment industry. The color image is generally a green or blue colored clothing.
  8. 8. examples : Original print Final print
  9. 9. RotoscopingIt is an animation technique in which animators trace over live-action film movement, frame by frame, for use in animated filmsThe technique was invented by MaxFleischer
  10. 10. example:• from live action to animation
  11. 11. Morphing• It is a special effect in motion pictures and animations that changes (or morphs) one image into another through a seamless transition.• examples: image Of George.W.Bush & Hollywood Actor Arnold Schwarzenegar
  12. 12. Stop Action• Stop Action Also known as stop action is an animation technique to make a physically manipulated object appear to move on its own. The object is moved in small increments between individually photographed frames, creating the illusion of movement when the series of frames is played as a continuous sequence. Clay figures are often used in stop motion for their ease of repositioning. Motion animation using clay is called clay animation or clay-motion.
  13. 13. Stop Action example:
  14. 14. Challenges for VFX :We will able to build virtual human.We will able to create believable facial animation.We will able to create synthetic massive environments.Pipeline tools will be standardized.Advances in digital VFX animation will mean far lessphysical effects work.Movie/game conversion will become common.
  15. 15. Detriments of VFX Specific hardware and special programs are required to obtain and process the data. The cost of the software, equipment and personnel required can potentially be prohibitive for small productions. Movement that does not follow the laws of physics generally cannot be captured. If the computer model has different proportions from the capture subject, artifacts may occur.
  16. 16. Tools with VFX! Sony vegas Studio Adobe Premiere pro Adobe After Effects Adobe Cs Edious Pinnacle studios Ulead Video Studios
  17. 17. Thank u

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