Misregistration correction for a solid-state image pick-up apparatus

Claim 2

An image pickup apparatus including an optical lens (1) and an image pickup element (10) for transforming the optical ray having passed through said optical lens (1) into electric signals, comprising: means (7) for storing at least either of the fixing dis­tortion of said image pickup element (10) and a chromatic aberration; means (7) for calculating a registration discrepancy on the basis of the data stored; and means (14) for anticipating and interpolating video signals necessary for the output by guiding the video signals obtained from the individual picture elements of said image pickup element (10) through a two-dimensional filter deter­mined by the registration discrepancy calculated.

Claim 3

An image pickup apparatus including an optical lens (1) and an image pickup element (10) for transforming the optical ray having passed through said optical lens 1 into electric signals, wherein said image pickup element (10) has a photodetect area larger than the following size: (Lv + Jv) x (Lh +Jh), wherein: Jv = the vertical fixing distortion when said image pick­up element (10) is fixed at the back of said optical lens (1), Jh = the horizontal fixing distortion, Lv = the vertical length of the effective photodetect area necessary for the output, Lh = the horizontal length.

Claim 4

An image pickup apparatus including an optical lens (1) and an image pickup element (10) for transforming the optical ray having passed through said optical lens 1 into electric signals, wherein said image pickup element (10) has a photodetect area larger than the following size: (Lv + Jv) x (Lh +Jh), wherein: Jv = the vertical fixing distortion when said image pick­up element (10) is fixed at the back of said optical lens (1), Jh = the horizontal fixing distortion, Lv = the vertical length of the effective photodetect area necessary for the output, Lh = the horizontal length.

Claim 5

An image pickup apparatus including: an optical lens (1); and a solid state image pickup element (10) composed of a plu­rality of photoelectric transforming elements for transforming the optical ray having passed through said optical lens (1) into electric signals and having a structure of picture el­ements arrayed two-dimensionally, wherein the numbers of the picture elements contained in the photodetect area of said solid state image pickup element (10) are: Mv + Nv or more in the vertical direction; and Mh + Nh or more in the horizontal direction, wherein the picture element number converted value of the fixing discrepancy, when said solid state image pickup element is to be fixed at the back of said optical lens, is designated Mv in the vertical direction and Mh in the horizontal direc­tion.

Claim 6

An image pickup apparatus including: an optical lens (1); and a solid state image pickup element (10) composed of a plu­rality of photoelectric transforming elements for transforming the optical ray having passed through said optical lens (1) into electric signals and having a structure of picture el­ements arrayed two-dimensionally, wherein the numbers of the picture elements contained in the photodetect area of said solid state image pickup element (10) are: Mv + Nv or more in the vertical direction; and Mh + Nh or more in the horizontal direction, wherein the picture element number converted value of the fixing discrepancy, when said solid state image pickup element is to be fixed at the back of said optical lens, is designated Mv in the vertical direction and Mh in the horizontal direc­tion.

Claim 7

The apparatus of Claim 1, wherein the field frequency for reading out signals from said image pickup element (10) is equal to that of the TV system used for the output, and where­in the scanning rate in the horizontal direction is different from the horizontal scanning rate which is determined from the effective photodetect area necessary for the TV system used for the output.

Claim 8

The apparatus of Claim 2, wherein at least a portion of the signals stored in the area except the effective photode­tect area for obtaining the signals to be used for the output within the photodetect area of said image pickup element (10) is read out at a rate higher than that for reading out the signals in said effective photodetect area.

Claim 9

An image pickup apparatus comprising: at least one of a memory for storing the fixing discrepancy data of an image pickup element, on which the optic axis of an optical lens is fixed, a memory for storing the lens characteristics such as the aberrations of said optical lens, and a memory for storing other characteristics such as the temperature characteristics of an optical prism; a calculator for calculating the discrepancies of the positions of each point in the effective photodetect area represented by a point being noted and a point on said fixed image pickup element from at least one of the data in said memory, the positional data in the picture of the point being noted, and the condition data indicating the operating conditions of said optical lens; a video signal memory for storing at least a portion of the signals obtained from said image pickup element; and an interpolator for anticipating and interporating the video level of each point in said effective photodetect area necessary for said output by reading out a portion of the video signals according to said calculated discrepancies from the video signals stored in said video signal memory and by calculating the video signals read out in a predetermined manner.

Claim 10

An image pickup apparatus comprising: at least one of a memory for storing the fixing discrepancy data of an image pickup element, on which the optic axis of an optical lens is fixed, a memory for storing the lens characteristics such as the aberrations of said optical lens, and a memory for storing other characteristics such as the temperature characteristics of an optical prism; a calculator for calculating the discrepancies of the positions of each point in the effective photodetect area represented by a point being noted and a point on said fixed image pickup element from at least one of the data in said memory, the positional data in the picture of the point being noted, and the condition data indicating the operating conditions of said optical lens; a video signal memory for storing at least a portion of the signals obtained from said image pickup element; and an interpolator for anticipating and interporating the video level of each point in said effective photodetect area necessary for said output by reading out a portion of the video signals according to said calculated discrepancies from the video signals stored in said video signal memory and by calculating the video signals read out in a predetermined manner.

Claim 11

The apparatus of Claim 6, wherein an enhancement for stressing the high-frequency component of the image is accomp­lished simultaneously with the anticipation and interpolation of the video level from the discrepancies between the each point in the effective photodetect region necessary for said output and each point in the photodetect area of said fixed image pickup element.

Claim 12

The apparatus of Claim 6, wherein the timing for starting the vertical or horizontal reading-out of the signal from said image pickup element is shifted to an early or late side from that in case the optic axis of said optical lens extends through the center of the photodetect area of said image pick­up area, so that the positional correction for the fixing dis­crepancy of said image pickup element may be smaller than that in the case of the start timing assuming that the optic axis of said optical lens extends through the center of the photo­detect area of said image pickup element.

Claim 13

The apparatus of Claim 6, wherein two or more image pick­up elements are used, further comprising: a calculator for calculating the discrepancy of the image on the other of said image pickup elements with respect to the image on one image pickup element providing the fixing reference; and a video interpolator for anticipating and interpolating the video level of each point in the effective photodetect area necessary for said output from said calculated discrepancy.

Claim 14

The apparatus of Claim 1, further comprising: an oscillator for controlling an oscillatory frequency; and a driver for controlling the drive starting timing of said image pickup apparatus, whereby at least one of the oscillatory frequency of said oscillator and said drive starting timing in accordance with the discrepancy of the image of the signals obtained from said image pickup element.

Claim 15

An image pickup apparatus according to Claim 1, further comprising: a video signal delay circuit for controlling a delay time to a predetermined value, whereby the delay time of said video signal delay circuit is controlled to the predetermined value in accordance with the discrepancy of the image of the signals obtained from said image pickup element.

Claim 16

A photographic lens for an image pickup apparatus, comprising: a lens body; and a memory for storing data indicating the chromatic aberrations according to the conditions of said lens.

Claim 17

A photographic lens for an image pickup apparatus, comprising: a lens body; and a memory for storing data indicating the chromatic aberrations according to the conditions of said lens.