System Performance
14
Terms
Term Reference
14 terms| Term | Description | |
|---|---|---|
| Acquisition Overhead | Time lost to mechanical movements | |
| Camera-Objective Matching | Optimizing the camera-lens combination | |
| Channel Count | How many colors are you imaging? | |
| Color Cast | A tint across the whole image, seen most easily in blank glass; measured as ΔE, the distance from neutral in CIE L*a*b*... | |
| Equivalent Sensitivity | How different systems achieve similar performance | |
| Exposure Time | How long the camera collects light | |
| Flat-Field Correction | Dividing each image by a reference image of blank glass (after subtracting a dark frame) to remove vignetting and uneven... | |
| Photons per Pixel | The fundamental signal budget | |
| Sample Area per Pixel | What each pixel captures | |
| Sensitivity Trade-offs | The photon budget equation | |
| Signal-to-Noise Ratio | Can you see your signal above the noise? | |
| Throughput | How fast you image sample area | |
| Total Acquisition Time | How long until you're done? | |
| Vignetting | Falloff in brightness toward the edges and corners of the field; in brightfield it reads as extra optical density, so co... |