When it comes to the resolution of images and video, there can be a lot of confusion. What are the differences between photo and video resolution? What do all the different acronyms mean and is there overlap? In this movie, author Richard Harrington discusses what resolution requirements are needed for video.
- When it comes to the resolution of an image in video,…there's a lot of confusion.…You'll hear people talk about DPI and PPI.…DPI is dots per inch.…This is typically used for print.…And when we talk about dots per inch…it's how many of the dots are inside of a printed inch.…This is typically dealing with print technology…and things like the fact that the printing press…will resolve the quality of the image.…However, when talking about computer graphics…we often refer to pixels per inch.…
Again, this is a tenant for printing purposes.…How many of those pixels are going to fit…into a printed inch?…The more you fit…up to a certain point of maximum resolution…that can be achieved by the printer,…the generally higher quality the image appears.…However, when we're talking about creating images…or scanning or optimizing images for a video project,…neither DPI or PPI really matters.…Rather, we're talking about the total pixel dimensions.…
Now, if you're working in standard definition…or producing a DVD,…you might only use something that's about 720 pixels across.…
Author
Released
6/26/2017- Understanding resolution
- Organizing photos with Adobe Bridge
- Renaming files
- Working in the right color space
- Removing damage with the healing and cloning tools
- Making Content-Aware Scale and Fill repairs
- Controlling focus with blurring and sharpening
- Correcting alignment
- Restoring contrast with Curves and Levels
- Importing images in After Effects
- Using ease and keyframe assistants
- Adding vignettes
- Rendering animations
Skill Level Intermediate
Duration
Views
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with Ian Robinson2h 12m Intermediate
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Introduction
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Welcome2m 20s
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Using the exercise files1m 17s
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1. Organize Your Photos with Adobe Bridge
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Adding ratings to images3m 59s
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Checking focus in a photo2m 38s
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Batch renaming files3m 44s
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2. Understanding Resolution
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Doubling an image2m 35s
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3. Working in the Right Color Space
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Requirements for video4m 8s
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Batch converting images3m 9s
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4. Removing Damage
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5. Content-Aware Repairs
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Using Content-Aware Scale3m 40s
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6. Controlling Focus
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Sharpening an image4m 15s
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Creating a Lens Blur effect5m 31s
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Adding a vignette3m 19s
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7. Removing Distractions
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Correcting alignment3m 45s
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Cropping for composition4m 8s
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Cropping with a document4m 41s
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8. Toning Images
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Shadow/Highlight effect4m 25s
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9. Documentary Motion Control with After Effects
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Why use After Effects?2m 42s
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Importing image files3m 2s
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Creating compositions5m 13s
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10. Exporting Animation
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Rendering the animation3m 31s
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Conclusion
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Next steps47s
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Video: Resolution requirements for video