For many, stereoscopic 3D camera rigs are mysterious and daunting—but they don't need to be. In simple terms, this video explains the particular requirements of stereoscopic image capture and some of the challenges, as well as explaining a little about the way your eyes interpret stereo images.
- [Instructor] When shooting for stereoscopic 3D,…you're actually recording two images at once.…All of the same rules apply to these images,…except that it's now extremely important…to carefully calibrate the two recordings.…Often, this calibration needs to be perfected…in post-production.…Aside from setting the so-called interaxial distance,…and this was once called the interocular distance,…that is the distance between the two lenses,…there's not much to do on-set…other than making sure the images match focus,…exposure, lens length, and white balance…as much as possible.…
They need to be really carefully calibrated to match.…The reason this is so important…relates to the way brains perceive visual information.…Your brain picks one eye to be the hero eye, if you'd like.…That's the eye that's providing…the most important information.…And the other eyes fills in the blanks,…confirms or contradicts what is apparently being seen.…The choice of hero eye can change…from one moment to the next,…unless you have better vision in one eye,…
Get ready to remove the mystery behind terms you've encountered. If you work in a creative profession, this can enhance your command of the tools you use. Learn what a pixel really is, what color channels are, and what audio frequency is. Discover how color channels, bit depth, and video frame rates work. Find out the difference between codecs and file formats, and how compression is involved. By the end of this course, you'll know how to answer common client questions—like, whether a logo should be supplied in vector or bitmap form, and more.
Note: Motion graphics in this course were provided by Chelsea Parrish: chelseaparrish.com.
- What is a pixel?
- Aspect ratios
- Bit depth
- Alpha and transparency
- Light and color channels
- Color modes: RGB, YUV, CMYK
- Camera depth of field
- Chroma Key and Luma Key
- Blend modes
- Color wheels, vectorscopes, and waveforms
- Video compression and codecs
- Frame rates and timecode
- File formats
- Audio amplitude
- Capturing audio tone as frequency
- Audio timing using the phase
Skill Level Beginner
Learning Video Production and Editingwith Rob Garrott20m 33s Beginner
Video Foundations: Cameras and Shootingwith Anthony Q. Artis2h 58m Appropriate for all
Introduction to Video Dialogue Editingwith Ashley Kennedy3h 14m Appropriate for all
1. How Do Computers Think?
2. How Cameras and Computers Think about Color
3. The Language of Color
4. The Shape of Your Picture and the Speed of Your Video
5. Storing Everything (Codecs)
6. Color Wheels, Vectorscopes, and Waveforms
Understanding waveforms2m 39s
7. Making Changes
8. Audio Made Simple
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