Tag
“transparency”
6 posts
- Technical Deep Dives··8 min read
Why Sharpening a Cutout Draws a Halo Around Fur
Upscale a cutout of a long-haired pet and a bright rim appears along the fur. The model did not do it — an alpha-blind sharpening pass did, by averaging in the black that sits behind every transparent pixel. Here is the mechanism, the fix, and exactly what the numbers behind it were measured on.
Tutorials··9 min readRemoving Backgrounds From Glass and Transparent Products
Glass, bottles and clear plastic are the hardest things to cut out, because the edge is ambiguous and you can see the background through the product. Here is how the transparency-preserving mode handles them, how to shoot for it, and where it still needs a hand.
Tutorials··8 min readMaking Animated GIF Stickers With Clean Transparency
Animated GIF stickers live or die on their edges. Here is how to cut a clean, transparent animated sticker for messaging and marketing in the browser — plus the one hard truth about GIF transparency, and when to reach for APNG instead.
Tutorials··8 min readEmote Prep for Twitch and Discord: Transparency, Sizing, and Clean Edges
Twitch emotes render at 28 pixels — smaller than a favicon. Here's the transparency, sizing, and edge-cleanliness workflow that keeps a cutout legible at emote scale.
Technical Deep Dives··9 min readThe Difference Between Straight Alpha and Premultiplied Alpha (And Why It Matters)
A clear technical explanation of straight alpha vs premultiplied alpha — what each means, why premultiplied alpha causes the "black fringe" problem, and how to tell which one your tool produces.
Tutorials··7 min readPNG vs WebP vs AVIF: Which Format Should You Use for Transparent Images?
A practical comparison of PNG, WebP, and AVIF for images with transparency — file sizes, browser support, tool compatibility, and which to choose for different use cases.