I am just wondering how does camera auto focus work. What kind of processing does it do on images in order to adjust the focus? Is there freely available code that detects the focus level of an image or video?
3
-
5$\begingroup$ See this: dsp.stackexchange.com/questions/2304/auto-focus-estimation/… $\endgroup$– pichenettesJun 18 '12 at 20:15
-
6$\begingroup$ en.wikipedia.org/wiki/Autofocus $\endgroup$– nibotJun 18 '12 at 20:42
-
2$\begingroup$ This seems like a trivial question that you could have googled or asked reddit. $\endgroup$– CyberMenJun 19 '12 at 12:47
Add a comment
|
$\begingroup$
$\endgroup$
This answer actually provides free code to perform the focus detection. https://stackoverflow.com/a/3795151/600736
Not the answer you're looking for? Browse other questions tagged image-processing or ask your own question.
Hot Network Questions
- Bayesian analysis used merely as a computational tool?
- Why did Mr White text Vesper's phone at the end of Casino Royale?
- Most of Solar System is colonized but Earth dies with most of knowledge and technology. What the colonists may do to rebuild the civilization?
- Throwing a bottle containing pills to the air vertically
- Relying upon a Spiritual Guide, who created this idea? Is it actually a necessity for liberation?
- How does light from distant galaxies reach us?
- Why do gas stations charge higher price for credit card purchase while customers can purchase their gift cards from a third party?
- C++11 Custom Vector Implementation
- Time duration conversion with units
- What is the minimum height required for a 60 meter NVIS antenna?
- Two Scenes From A Conan The Barbarian Story?
- Why does "brother" have the instrumental case in this Polish sentence?
- What constitutes a "religious belief"
- World-famous Eastern European (and non-Western) academics not educated in the West
- Error during deploying lwc from vscode to org : Property property of MemberExpression expected node to be of a type ["Identifier","PrivateName"]
- Flying speed when under Etherealness spell?
- What's the proper etiquette when joining an audio conference where people are already talking?
- why in Polish we change ją to jej when negating the phrase?
- Sci-fi book from '70s or '80s. The government has hundreds of planets that specialize. One planet specializes in mercenaries
- 74HC04 - Explanation for hysteresis in voltage transfer curve
- How to use greeting "Moin."
- Conference discussant: Is it appropriate to ask someone to present my comments?
- Why does it appear that my system is designed to PREVENT me from connecting the washing machine to mains water?
- What is the reason for electric heaters saying to never use an extension cord?