公开(公告)号：ES2193226T3

公开(公告)日：2003-11-01

申请号：ES96300690

申请日：1996-01-31

Applicant: CANON KK

Inventor： TAKAHASHI KENJI ,  UDAGAWA YOSHIRO ,  IKEDA MASATO ,  IKEDA EIICHIRO

IPC: H04N5/235 ,  H04N7/36

Abstract: An image sensing apparatus which senses an object a plurality of times in different exposures to obtain a plurality of images and makes a single image with a widened dynamic range by processing the plurality of sensed images, generates a histogram of signal levels of an image sensed in a proper exposure by using a histogram generator, automatically decides whether a dynamic range expansion processing is to be processed or not on the basis of the generated histogram by using a dynamic range expansion deciding unit, determines a parameter for sensing another image of the object in an exposure which is different from the proper exposure in accordance with a decision by the dynamic range expansion deciding unit by using a parameter determination unit, and obtains a single image of the object by processing the image sensed in the proper exposure and the image sensed by using the parameter determined by said parameter determination unit an image processing unit. When an image sensing apparatus is not equipped with a photometer, a pre-sensing operation is performed, an image sensed in the pre-sensing operation is analyzed to find a proper exposure, and this image is also used in the dynamic range expansion processing. A part or whole image data of a plurality of images which are obtained as above and necessary for the dynamic range expansion processing are compressed by a compressing unit and the compressed image data is used in the dynamic range expansion processing.

公开(公告)号：DE69621530T2

公开(公告)日：2003-01-09

申请号：DE69621530

申请日：1996-07-31

Applicant: CANON KK

Inventor： UDAGAWA YOSHIRO ,  SUGA AKIRA ,  YANAI TOSHIKAZU ,  IKEDA MASATO

IPC: H04N5/335 ,  H04N5/341 ,  H04N5/345 ,  H04N5/357 ,  H04N5/369 ,  H04N5/3728 ,  H04N5/378 ,  H04N9/04 ,  H04N9/07

Abstract: A color filter array is applied to an interline CCD (image pickup element) in which a vertical CCD is driven in eight phases). The reading operation is performed as follows: photoelectrically converted carriers for two horizontal lines are transferred to the vertical CCD every third lines (e.g., C in the first line and M in the second line, C in the fifth line and G in the sixth line,... are transferred to the vertical CCD), and residual photoelectrically converted carriers (the Y carrier in the third line, the G carrier in the fourth line, the Y carrier in the seventh line, and the M carrier in the eighth line) are discharged by a substrate discharge operation. Thereafter, the photoelectrically converted carriers in the vertical CCD are sequentially transferred in the vertical CCD, and are output via a horizontal CCD and an output amplifier. Chrominance signal carriers on the 1/2PH axis generated by the color filter array of this invention can be removed by an optical LPF.

公开(公告)号：DE69621530D1

公开(公告)日：2002-07-11

申请号：DE69621530

申请日：1996-07-31

Applicant: CANON KK

Inventor： UDAGAWA YOSHIRO ,  SUGA AKIRA ,  YANAI TOSHIKAZU ,  IKEDA MASATO

IPC: H04N5/335 ,  H04N5/341 ,  H04N5/345 ,  H04N5/357 ,  H04N5/369 ,  H04N5/3728 ,  H04N5/378 ,  H04N9/04 ,  H04N9/07

Abstract: A color filter array is applied to an interline CCD (image pickup element) in which a vertical CCD is driven in eight phases). The reading operation is performed as follows: photoelectrically converted carriers for two horizontal lines are transferred to the vertical CCD every third lines (e.g., C in the first line and M in the second line, C in the fifth line and G in the sixth line,... are transferred to the vertical CCD), and residual photoelectrically converted carriers (the Y carrier in the third line, the G carrier in the fourth line, the Y carrier in the seventh line, and the M carrier in the eighth line) are discharged by a substrate discharge operation. Thereafter, the photoelectrically converted carriers in the vertical CCD are sequentially transferred in the vertical CCD, and are output via a horizontal CCD and an output amplifier. Chrominance signal carriers on the 1/2PH axis generated by the color filter array of this invention can be removed by an optical LPF.

公开(公告)号：DE69634867D1

公开(公告)日：2005-07-28

申请号：DE69634867

申请日：1996-07-31

Applicant: CANON KK

Inventor： SHIRAIWA YOSHINOBU ,  UDAGAWA YOSHIRO ,  TAKAHASHI KENJI ,  IKEDA EIICHIRO ,  HIDAKA YUMIKO

IPC: H04N1/407 ,  H04N1/60 ,  H04N9/73

Abstract: In converting image sensing data into image data, a plurality of image sensing data meeting a predetermined condition are processed as a group of image sensing data. An image reproduction parameter is obtained from this image sensing data group, and each image sensing data of the image sensing data group is converted into image data by using the image reproduction parameter. Accordingly, an image reproduction parameter for obtaining an optimum reproduced image can be accurately set from the image sensing data group. Also, since a reproduction luminance level (range) is determined from the image sensing data group, the correlation between the luminances of image planes is not lost. This allows an easy comparison of reproduced images and prevents the boundaries of luminances from becoming unnatural when the reproduced images are synthesized.

公开(公告)号：DE69627407D1

公开(公告)日：2003-05-22

申请号：DE69627407

申请日：1996-01-31

Applicant: CANON KK

Inventor： TAKAHASHI KENJI ,  UDAGAWA YOSHIRO ,  IKEDA MASATO ,  IKEDA EIICHIRO

IPC: H04N5/235 ,  H04N7/36

Abstract: An image sensing apparatus which senses an object a plurality of times in different exposures to obtain a plurality of images and makes a single image with a widened dynamic range by processing the plurality of sensed images, generates a histogram of signal levels of an image sensed in a proper exposure by using a histogram generator, automatically decides whether a dynamic range expansion processing is to be processed or not on the basis of the generated histogram by using a dynamic range expansion deciding unit, determines a parameter for sensing another image of the object in an exposure which is different from the proper exposure in accordance with a decision by the dynamic range expansion deciding unit by using a parameter determination unit, and obtains a single image of the object by processing the image sensed in the proper exposure and the image sensed by using the parameter determined by said parameter determination unit an image processing unit. When an image sensing apparatus is not equipped with a photometer, a pre-sensing operation is performed, an image sensed in the pre-sensing operation is analyzed to find a proper exposure, and this image is also used in the dynamic range expansion processing. A part or whole image data of a plurality of images which are obtained as above and necessary for the dynamic range expansion processing are compressed by a compressing unit and the compressed image data is used in the dynamic range expansion processing.

公开(公告)号：DE69223841D1

公开(公告)日：1998-02-12

申请号：DE69223841

申请日：1992-04-16

Applicant: CANON KK

Inventor： UDAGAWA YOSHIRO ,  TAKEDA NOBUHIRO

IPC: H01L27/146 ,  H01L27/14

公开(公告)号：GB2226211A

公开(公告)日：1990-06-20

申请号：GB8927604

申请日：1989-12-06

Applicant: CANON KK

Inventor： KANEKO SHUZO ,  TAKEUCHI TATSUO ,  TOYONO TSUTOMU ,  TAKAHASHI TOHRU ,  HOSONO NAGAO ,  KAN FUMITAKA ,  TOJO AKIHIKO ,  TSUTSUMI TAKAYOSHI ,  FUJIMOTO RYO ,  UDAGAWA YOSHIRO

IPC: G03G15/22 ,  H04N5/30

Abstract: An image recording and/or reproducing apparatus including a recording unit having a recording driving mechanism for recording a plurality of images in the form of electrostatic pattern on different regions of a photosensitive member, a reading unit having a beam source and capable of scanning the photosensitive member by an electron beam so as to convert the recorded pattern into electric signals, and a connecting member for connecting the recording unit and the reading unit without causing any change in the states of these units. This apparatus makes it possible to record and/or to reproduce images with a high image quality. The connecting member includes a container accommodating the recording unit and the reading unit. Alternatively, the connecting member is adapted to keep a portion of the recoding unit and a portion of the reading unit in close contact with each other.

公开(公告)号：GB2226155A

公开(公告)日：1990-06-20

申请号：GB8927605

申请日：1989-12-06

Applicant: CANON KK

Inventor： KANEKO SHUZO ,  TAKEUCHI TATSUO ,  TOYONO TSUTOMU ,  TAKAHASHI TOHRU ,  HOSONO NAGAO ,  KAN FUMITAKA ,  TOJO AKIHIKO ,  TSUTSUMI TAKAYOSHI ,  FUJIMOTO RYO ,  UDAGAWA YOSHIRO

IPC: G03G15/22 ,  H04N5/30

Abstract: An image recording and/or reproducing apparatus including a recording unit having a recording driving mechanism for recording a plurality of images in the form of electrostatic pattern on different regions of a photosensitive member, a reading unit having a beam source and capable of scanning the photosensitive member by an electron beam so as to convert the recorded pattern into electric signals, and a connecting member for connecting the recording unit and the reading unit without causing any change in the states of these units. This apparatus makes it possible to record and/or to reproduce images with a high image quality. The connecting member includes a container accommodating the recording unit and the reading unit. Alternatively, the connecting member is adapted to keep a portion of the recoding unit and a portion of the reading unit in close contact with each other.

公开(公告)号：GB2189965A

公开(公告)日：1987-11-04

申请号：GB8708901

申请日：1987-04-14

Applicant: CANON KK

Inventor： KANEKO SHUZO ,  TAKEUCHI TATSUO ,  TOYONO TSUTOMU ,  TAKAHASHI TOHRU ,  HOSONO NAGAO ,  KAN FUMITAKA ,  TOJO AKIHIKO ,  TSUTSUMI TAKAYOSHI ,  FUJIMOTO RYO ,  UDAGAWA YOSHIRO

IPC: G03G15/22 ,  H04N5/30 ,  H04N5/225 ,  H04N1/028 ,  H04N5/76

Abstract: An image recording and/or reproducing apparatus including a recording unit having a recording driving mechanism for recording a plurality of images in the form of electrostatic pattern on different regions of a photosensitive member, a reading unit having a beam source and capable of scanning the photosensitive member by an electron beam so as to convert the recorded pattern into electric signals, and a connecting member for connecting the recording unit and the reading unit without causing any change in the states of these units. This apparatus makes it possible to record and/or to reproduce images with a high image quality. The connecting member includes a container accommodating the recording unit and the reading unit. Alternatively, the connecting member is adapted to keep a portion of the recoding unit and a portion of the reading unit in close contact with each other.

公开(公告)号：ES2268697T3

公开(公告)日：2007-03-16

申请号：ES96112905

申请日：1996-08-09

Applicant: CANON KK

Inventor： UDAGAWA YOSHIRO ,  IKEDA MASATO

IPC: H04N5/232 ,  H04N3/15 ,  H04N9/04

Abstract: UN APARATO DE PERCEPCION DE IMAGEN TIENE UNA PLURALIDAD DE MODOS DE PERCEPCION DE IMAGEN CADA UNA DE LAS CUALES REALIZA OPERACIONES DE PERCEPCION DE IMAGENES QUE USA METODO DE DESPLAZAMIENTO DE PUNTO DIFERENTE. UNO DE ESTOS METODOS DE PERCEPCION DE IMAGEN SE SELECCIONA A TRAVES DE UNA UNIDAD DE SELECCION (16) DE ACUERDO CON UN OBJETIVO PARA SER PERCIBIDOS, Y UNA PLURALIDAD DE IMAGENES DEL OBJETO SON PERCIBIDAS EN COLOCACIONES DE POSICION DE PERCEPCION DE IMAGEN EN LA BASE DEL MODO DE PERCEPCION DE IMAGEN SELECCIONADA. UNA UNIDAD QUE COMBINA (11) COMBINA LA PLURALIDAD DE IMAGENES PERCIBIDAS PARA OBTENER UNA IMAGEN INMOVIL UNICA DE ALTA RESOLUCION.