Color image sensing system

Claim 2

An image sensing system comprising: a) image sensing means having picture elements arranged in columns and rows; b) color separation filter means including first color filters which allow a luminance component to pass and are arranged for every other picture element both in the directions of columns and rows and at least second color filters which are arranged for remaining picture elements in a predetermined repetitive pattern; and c) luminance signal forming means for forming a luminance signal, said luminance signal forming means being arranged such that, in forming said luminance signal corresponding to a specific first one of picture elements which are provided with said first color filters, the luminance signal is formed by using at least signals of a plurality of picture elements located obliquely adjacent to said specific first picture element and a signal of said specific first picture element and, in forming said luminance signal corresponding to a specific second one of picture elements which are provided with said second color filters, the luminance signal is formed by using signals of a plurality of picture elements located adjacent to said specific second picture element in the vertical and horizontal directions.

Claim 3

A system according to claim 1, wherein said first color filters are colorless filters.

Claim 4

A system according to claim 1, wherein said second color filters include red filters.

Claim 5

A system according to claim 1, wherein said second color filters include blue filters.

Claim 6

A system according to claim 1, wherein said second color filters include red filters and blue filters.

Claim 7

A system according to claim 5, wherein said red filters and blue filters are arranged on every other row respectively.

Claim 8

A system according to claim 1, wherein said luminance signal forming means includes delay means.

Claim 9

A system according to claim 7, wherein said delay means includes a field memory.

Claim 10

A system according to claim 7, wherein said delay means includes a one-H memory.

Claim 11

An image sensing system comprising: a) image sensing means having picture elements arranged in columns and rows; b) color separation filter means including first color filters which allow a luminance component to pass and are arranged for every other picture element both in the directions of columns and rows and at least second color filters which are arranged for remaining picture elements in a predetermined repetitive pattern; and c) luminance signal forming means for forming a luminance signal, said luminance signal forming means being arranged such that in forming said luminance signal corresponding to a specific first one of picture elements which are provided with said first color filters, the luminance signal if formed by using at least signals of a plurality of picture elements located obliquely adjacent to said specific first picture element and a signal of said specific first picture element.

Claim 12

An image sensing system comprising: a) image sensing means having picture elements arranged in columns and rows; b) color separation filter means including first color filters which allow a luminance component to pass and are arranged for every other picture element both in the directions of columns and rows and at least second color filters which are arranged for remaining picture elements in a predetermined repetitive pattern; and c) luminance signal forming means for forming a luminance signal, said luminance signal forming means being arranged such that in forming said luminance signal corresponding to a specific first one of picture elements which are provided with said first color filters, the luminance signal if formed by using at least signals of a plurality of picture elements located obliquely adjacent to said specific first picture element and a signal of said specific first picture element.

Claim 13

A system according to claim 10, wherein said first color filters are colorless filters.

Claim 14

A system according to claim 10, wherein said second color filters include red filters.

Claim 15

A system according to claim 10, wherein said second color filters include blue filters.

Claim 16

A system according to claim 10, wherein said second color filters include red filters and blue filters.

Claim 17

A system according to claim 14, wherein said red filters and blue filters are arranged on every other row respectively.

Claim 18

A system according to claim 10, wherein said luminance signal forming means includes delay means.

Claim 19

A system according to claim 16, wherein said delay means includes a field memory.

Claim 20

A system according to claim 16, wherein said delay means includes a one-H memory.

Claim 21

An image sensing system comprising: a) image sensing means having picture elements arranged in columns and rows; b) color separation filter means including first color filters which allow a luminance component to pass and are arranged for every other picture element both in the directions of columns and rows and at least second color filters which are arranged for remaining picture elements in a predetermined repetitive pattern; and c) luminance signal forming means for forming a luminance signal, said luminance signal forming means being arranged such that, in forming said luminance signal corresponding to a specific second one of picture elements which are provided with said second color filters, the luminance signal is formed by using signals of a plurality of picture elements located adjacent to said specific second picture element in the vertical and horizontal directions.

Claim 22

An image sensing system comprising: a) image sensing means having picture elements arranged in columns and rows; b) color separation filter means including first color filters which allow a luminance component to pass and are arranged for every other picture element both in the directions of columns and rows and at least second color filters which are arranged for remaining picture elements in a predetermined repetitive pattern; and c) luminance signal forming means for forming a luminance signal, said luminance signal forming means being arranged such that, in forming said luminance signal corresponding to a specific second one of picture elements which are provided with said second color filters, the luminance signal is formed by using signals of a plurality of picture elements located adjacent to said specific second picture element in the vertical and horizontal directions.

Claim 23

A system according to claim 19, wherein said first color filters are colorless filters.

Claim 24

A system according to claim 19, wherein said second color filters include red filters.

Claim 25

A system according to claim 19, wherein said second color filters include blue filters.

Claim 26

A system according to claim 19, wherein said second color filters include red filters and blue filters.

Claim 27

A system according to claim 23, wherein said red filters and blue filters are arranged on every other row respectively.

Claim 28

A system according to claim 19, wherein said luminance signal forming means includes delay means.

Claim 29

A system according to claim 25, wherein said delay means includes a field memory.

Claim 30

A system according to claim 25, wherein said delay means includes a one-H memory.

Claim 31

A system according to claim 19, wherein said luminance signal forming means is arranged to form said luminance signal by using signals of picture elements disposed horizontally and/or vertically adjacent to each of said picture elements which are provided with said second color filters.

Claim 32

A color image sensing system comprising: a) a solid-state image sensor which has every four mutually adjacent picture elements thereof grouped as one set and is provided with combinations of color filters including first color filters which are arranged to pass a given color component for an obliquely adjacent pair of picture elements within each of said sets and second and third color filters which are arranged to cover the remaining obliquely adjacent pair of picture elements of said set, said image sensor being arranged to have almost all picture elements thereof covered with said combinations of color filters; and b) signal composing means arranged to receive an output of said solid-state image sensor and to form a signal corresponding to one of the picture elements for which said first color filters are provided by combining, in a predetermined ratio, an output of said one picture element and outputs of a plurality of picture elements which are provided with said first filters and are disposed obliquely adjacent to said one picture element, and to form a signal corresponding to one of the picture elements for which said second or third color filters are provided by combining, in a predetermined ratio, outputs of a plurality of picture elements which are provided with said first color filters and are disposed in the neighborhood of said one picture element above, below and on the right and left sides thereof.

Claim 33

A color image sensing system comprising: a) a solid-state image sensor which has every four mutually adjacent picture elements thereof grouped as one set and is provided with combinations of color filters including first color filters which are arranged to pass a given color component for an obliquely adjacent pair of picture elements within each of said sets and second and third color filters which are arranged to cover the remaining obliquely adjacent pair of picture elements of said set, said image sensor being arranged to have almost all picture elements thereof covered with said combinations of color filters; and b) signal composing means arranged to receive an output of said solid-state image sensor and to form a signal corresponding to one of the picture elements for which said first color filters are provided by combining, in a predetermined ratio, an output of said one picture element and outputs of a plurality of picture elements which are provided with said first filters and are disposed obliquely adjacent to said one picture element, and to form a signal corresponding to one of the picture elements for which said second or third color filters are provided by combining, in a predetermined ratio, outputs of a plurality of picture elements which are provided with said first color filters and are disposed in the neighborhood of said one picture element above, below and on the right and left sides thereof.

Claim 34

A system according to claim 29, wherein said first color filters are colorless filters.

Claim 35

A system according to claim 29, wherein said second color filters include red filters.

Claim 36

A system according to claim 31, wherein said third color filters include blue filters.

Claim 37

A system according to claim 32, wherein said red filters and blue filters are arranged on every other row respectively.

Claim 38

A system according to claim 29, wherein said signal composing means includes delay means.

Claim 39

A system according to claim 34, wherein said delay means includes a field memory.

Claim 40

A system according to claim 34, wherein said delay means includes a one-H memory.