Tag
“super resolution”
6 posts
Technical Deep Dives··8 min readWhy AI Upscalers Leave Seams and Soft Edges — And How We Fixed Ours
An AI upscaler can sharpen a photo beautifully and still leave a faint grid across it, or a crisp subject with a strangely soft outline. Both are avoidable. Here is what actually causes them, and the two fixes we shipped.
Tutorials··8 min readYou Upscaled to 4x and It's Still Soft — Pick the Right Source Mode
You set the upscaler to 4x and the result still looks soft. Usually the fix is not more sharpening — it is telling the tool what kind of image it is looking at. A practical guide to the Source modes, and the honest limit no upscaler can beat.
Technical Deep Dives··6 min readThe Math Behind Upscaling a 176px Thumbnail to 2048px
A fixed "2×" turns 176px into a still-tiny 352px. Real upscaling of small inputs needs a pre-scale plan and cascaded passes. The arithmetic we use to get a thumbnail to a usable size.
Technical Deep Dives··8 min readAI Image Upscaling: Lanczos vs. Swin2SR vs. Real-ESRGAN — Which Is Best?
A practical comparison of three upscaling approaches — classic Lanczos interpolation, transformer-based Swin2SR, and GAN-based Real-ESRGAN. When each method wins, what to expect on different content types, and how to choose.
Tutorials··9 min readAI Image Upscaler Guide: When to Use 2× vs 4× Super-Resolution
A practical guide to AI super-resolution upscaling — how Swin2SR works, when to use 2× vs 4×, what to expect for different image types, and tips for best results.
Tutorials··8 min readRescuing Tiny, Low-Res Photos: Upscaling Old Images to 4K in Your Browser
That 640×480 photo from a 2006 digital camera doesn't have to stay small. A practical guide to AI upscaling old, low-resolution images to print-and-display size on your own device — what it can recover, what it can't, and the order of operations that works.