초록 ▼

An apparatus is disclosed for providing automatic exposure/focus control in a solid state video camera by converting the image information from a solid state image sensor to a digital representation and using the least significant bits of the digital representation for focus detection and the most s

An apparatus is disclosed for providing automatic exposure/focus control in a solid state video camera by converting the image information from a solid state image sensor to a digital representation and using the least significant bits of the digital representation for focus detection and the most significant bits for exposure measurement.

대표청구항 ▼

An exposure measurement and focus detection apparatus for a video imaging system comprising: a. image sensing means having a plurality of pixel elements that generate electrical signals proportional to the light incident on said pixel elements, b. digital conversion means for converting the electric

An exposure measurement and focus detection apparatus for a video imaging system comprising: a. image sensing means having a plurality of pixel elements that generate electrical signals proportional to the light incident on said pixel elements, b. digital conversion means for converting the electrical signals generated from said pixel elements to a digital word having n bits, said digital word having at least two segments, c. focus processing means, coupled to said digital conversion means, for receiving a first segment of said digital word and determining if said video imaging system is focused, and d. exposure processing means, coupled to said digital conversion means, for receiving a second segment of said digital word and determining the exposure of said video imaging system.