Imaging

digital audio guide

Hybrid AI Video Codecs and Modern Streaming Techniques

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Introduction AI and Hybrid Codecs Modern Video codecs are all based on similar principles. Recently, these have been complemented by AI techniques,…
LCEVC 8k tv

LCEVC and EVC: Efficient Video Encoding Guide for 8K

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Introduction Background: H.264 and H.265 First, for background, here is an overview of the most common video compression standard in use today, H264:…
Camera Lens Physics

Evaluate Camera Lens Performance Using an LCD Display

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Introduction I've done plenty of imaging performance testing on a variety of systems, from millimeter wave to UV. Until very recently, such testing required…
tripods

Tripod Guide: Parts, Types, and Uses for Photographers

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Click for complete series Part 1: Introduction Part 2: Compact Point and Shoot Part 3: DSLR Part 4: TripodsWhy use a tripod? …
digitalcamera3

Digital Camera Buyer’s Guide: Bridge Cameras

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Click for complete seriesPart 1: Introduction Part 2: Compact Point and Shoot Part 3: DSLR Part 4: TripodsWho this guide is for This…
digitalcamera2

Ultimate Digital Camera Buyer’s Guide: Compacts, DSLR and Tripods

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Introduction Who this guide is for First, congratulations! Camera technology has advanced to the point where a complete novice, using an entry-level…
digitalcamera1

Digital Camera Buyer’s Guide — Choose the Best Camera

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Complete seriesIntroduction Overview First, congratulations! Camera technology has advanced so much that a complete novice using an entry-level camera…
pet_scan

How PET Scans Work: Positrons in Medical Imaging Explained

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Practical applications of fundamental theoretical physics Positron Emission Tomography (PET) Less often, people ask about potential applications of anti-matter.…
atoms

Can We See an Atom?

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Introduction In this article I discuss how images of atoms are made, what exactly we are looking at, and what it means to "see" an atom. Over the decades…