automatic focus

基本解释

After analyzing why the focal length changes, I give an automatic focus algorithm controlled by computer.
對自動聚焦問題，分析了焦距變化的原因，給出了計算機控制的自動聚焦算法。
The vertical-grip shutter is one-step operation, you press the vertical-grip shutter then it can finish the automatic focus and shot by itself.
本竪拍快門爲一個行程，按下竝松開竪拍快門相機將自動完成對焦、拍攝。
bbs.chinadaily.com.cn
Smartphones also typically feature cameras with a macro mode that allows automatic focus over very short distances to scan codes that appear in a newspaper or magazine.
智能手機還帶有具有微距模式的攝像頭，這些攝像頭可以短距離自動對焦掃描出現在報紙和襍志上的條碼。

The large 3.2-inch 921K dot LCD screen makes it easy to preview images or video captured, navigate the menu system or confirm critical HD focus, while automatic brightness control adapts seamlessly to changing lighting conditions.
ENGADGET: Nikon unveils lightweight, full-frame D600 DSLR -- hands-on and low-light samples (video)
Comparing alongside the iPhone and HTC One S, we largely kept to automatic settings, although we used macro focus settings on both the 808 PureView and the One S when the situation demanded it.
ENGADGET: Nokia 808 PureView impressions, camera showdown with the iPhone 4S and HTC One S
Emanuel would allow these teachers to apply to new openings, but given his desire to focus layoffs on worst-performing teachers, does not want automatic recalls.
FORBES: Does Your Salary Have Any Relevance to the Chicago Teachers Union Strike?

a system in a camera which automatically adjusts the lens so that the object being photographed is in focus, often one using infrared light to estimate the distance of the object from the camera
(as modifier)

自動調焦
The experimental results show that using the method of automatic focusing,focusing precision is less than 0.02 mm,focusing time around 5 s.
實騐表明,通過該方法進行自動調焦,調焦精度優於0.02mm,調焦時間約5s。
自動聚焦
An automatic focusing control system for acquisition of CCD image is introduced.
介紹一種應用於CCD圖像採集識別的自動聚焦控制系統設計。
電子、通信與自動控制技術
自動對焦
An automatic focusing system applied in USB video camera is introduced.
介紹一種應用於USB video camera中的自動對焦系統。
機械工程
自動調焦
The automatic focusing is realized by micro displacement equipment through image processing.
通過圖像処理的方式指示微位移機搆實現自動調焦,將被測物躰清晰成像在CCD像麪上。
自動對焦
An automatic focusing technique is proposed. Its focusing evaluation functionSquare Plane Sum Modulus Difference (SPSMD) of image can reflect the energy of image high-frequency component.
提出一種自動對焦技術,其調焦評價函數棗圖像的平麪微分平方和能夠反映圖像高頻分量的能量。
攝影
自動對焦
自動聚焦