Implications of multi-image for concept acquisition
โ Scribed by David H. Jonassen
- Book ID
- 112895403
- Publisher
- Springer US
- Year
- 1979
- Tongue
- English
- Weight
- 823 KB
- Volume
- 27
- Category
- Article
- ISSN
- 1042-1629
No coin nor oath required. For personal study only.
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## Abstract Imageโbased autofocus determines focus directly from the specimen (as opposed to reflective surface positioning with an offset), but sequential acquisition of a stack of images to measure resolution/sharpness and find best focus is slower than reflective positioning. Simultaneous imagin
Previous work by the author has shown that the entropy of an image's histogram can be used to control the acquisition variables (brightness, contrast, shutter speed) of a camera/digitiser combination in situations where the imaging conditions are changing. Although the control leads to histograms th