Posts tagged "image-processing"

Vector graphics scale infinitely; raster images don't. But not every photo belongs as SVG. Here's when tracing makes sense, when it doesn't, and the algorithms that do the work.

OCR turns pixels back into text — a problem that took decades to crack. We trace the journey from template matching through Tesseract LSTMs to modern multimodal models.

Old image upscaling guesses pixels with smooth math. AI upscalers like ESRGAN and Real-ESRGAN hallucinate plausible detail learned from millions of images. Here's the difference and where each fails.

From U-Net segmentation to modern transformer-based matting, we walk through how a single neural net can isolate a foreground subject in a photo, and why edges and hair are still the hard parts.