Sony Corporation

Toshihisa Yamamoto

Ken Nakajima

Hideki Matsumoto

Yoichi Mizutani

Masayuki Takezawa

Masato Kajimoto

Hirofumi Murase

An imaging apparatus for performing efficient signal processing depending on the operational mode. In the finder mode, a CCD interfacedecimates horizontal components of image data supplied from an image generating unitto one-third and moreover processes the decimated image data with data conversion and resolution conversion to produce Y, Cb and Cr image data which are routed to and written in an image memoryover a memory controller. In the recording mode, the CCD interfacecauses the image data from the image generating unitto be written in the image memoryvia memory controllerafter decimation and gamma correction etc. The camera DSPreads out the image data via memory controllerfrom the image memoryto effect data conversion for writing the resulting data via memory controllerin the image memory

Imaging apparatus

Camera signal processing for interpolating, at least on two directions, pixel data based on an imaging signal from a solid-state image sensor in which an imaging light enters through a color filter having a different spectral characteristic for each pixel separately generating interpolated pixel data in the directions, detecting a correlation value indicative of a degree of correlation in each of the directions of the interpolated pixel data, normalizing the correlation value of each of the directions to generate a normalized value indicative of a relative value of the correlation value of each of the directions, adding a predetermined correction value to the normalized value, weighting the interpolated pixel data by the normalized value and adding together the weighted interpolated pixel data, and generating an image based on the interpolated pixel data weighted by the weighting means.

Interpolation process for an image processing apparatus

An imaging apparatus for performing efficient signal processing depending on the operational mode. In the finder mode, a CCD interfacedecimates horizontal components of image data supplied from an image generating unitto one-third and moreover processes the decimated image data with data conversion and resolution conversion to produce Y, Cb and Cr image data which are routed to and written in an image memoryover a memory controllerIn the recording mode, the CCD interfacecauses the image data from the image generating unitto be written in the image memoryvia memory controllerafter decimation and gamma correction etc. The camera DSPreads out the image data via memory controllerfrom the image memoryto effect data conversion for writing the resulting data via memory controllerin the image memory

Imaging apparatus with delay and processor to weight lines of delayed image data

In an imaging apparatus, an image is to be displayed in real-time on a finder. In the finder mode, a CCD interfacethins out horizontal components of image data supplied from an image generating unitto one-third and also effects gamma correction etc to send the resulting image data to a camera DSP. The camera DSPeffects data conversion and resolution conversion on the image data resulting from the thinning to convert the data into Y, Cb and Cr image data which is routed to a memory controller. The memory controllerwrites the image data in the image memoryand reads out the data from the memory controllerto route the read-out data over an image data busto an NTSC/PAL encoder. The NTSC/PAL encoderconverts the image data in resolution and further converts the image data into data of the NTSC or PAL system to route the resulting data to a finder.

Imaging apparatus with higher and lower resolution converters and a compression unit to compress decreased resolution image data

A camera signal process and apparatus processing for interpolating, at least on two directions, pixel data based on an imaging signal from a solid-state image sensor in which an imaging light enters through a color filter having a different spectral characteristic for each pixel separately generating interpolated pixel data in the at least two directions, detecting a correlation value indicative of a degree of correlation in each of the at least two directions of the interpolated pixel data, normalizing the correlation value of each of the at least two directions to generate a normalized value indicative of a relative value of the correlation value of each of the at least two directions, adding a predetermined correction value to the normalized value, weighting the interpolated pixel data in each of the at least two directions by the normalized value and adding together the weighted interpolated pixel data in all of the at least two directions, and generating an image based on the interpolated pixel data.

Image processing method for computing limit values of interpolated pixel data

An apparatus and method for generating an image by interpolating, at least on two directions, pixel data based on an imaging signal from a solid-state image sensor in which an imaging light enters through a color filter having a different spectral characteristic for each pixel separately generating interpolated pixel data in the at least two directions. The method includes detecting a correlation value indicative of a degree of correlation in each of the at least two directions of the interpolated pixel data, and normalizing the correlation value of each of the at least two directions. A predetermined correction value is added to the normalized value, and the interpolated pixel data is weighted in each of the at least two directions by the normalized value and adding together the weighted interpolated pixel data in-all of the at least two directions.

Camera image interpolation apparatus

An apparatus and method for generating an image by interpolating, at least on two directions, pixel data based on an imaging signal from a solid-state image sensor in which an imaging light enters through a color filter having a different spectral characteristic for each pixel separately generating interpolated pixel data in the at least two directions. A correlation value is detected that is indicative of a degree of correlation in each of the at least two directions of the interpolated pixel data. The correlation value is normalized for each of the at least two directions. The method further includes adding a predetermined correction value to the normalized value, and weighting the interpolated pixel data in each of the at least two directions by the normalized value and adding together the weighted interpolated pixel data in-all of the at least two directions.

Image processing system for generating interpolated data based on color-difference signals

Camera signal processing comprising interpolating, at least on two directions, pixel data based on an imaging signal from a solid-state image sensor in which an imaging light enters through a color filter having a different spectral characteristic for each pixel separately generating interpolated pixel data in the directions, detecting a correlation value indicative of a degree of correlation in each of the directions of the interpolated pixel data, normalizing the correlation value of each of the directions to generate a normalized value indicative of a relative value of the correlation value of each of the directions, adding a predetermined correction value to the normalized value, weighting the interpolated pixel data by the normalized value and adding together the weighted interpolated pixel data, and generating an image based on the interpolated pixel data weighted by the weighting means.

Image processing method for generating weighted interpolated pixel data

An imaging apparatus for performing efficient signal processing depending on the operational mode. In the finder mode, a CCD interface decimates horizontal components of image data supplied from an image generating unit to one-third and moreover processes the decimated image data with data conversion and resolution conversion to produce Y, Cb and Cr image data which are routed to and written in an image memory over a memory controller . In the recording mode, the CCD interface causes the image data from the image generating unit to be written in the image memory via memory controller after decimation and gamma correction etc. The camera DSP reads out the image data via memory controller from the image memory to effect data conversion for writing the resulting data via memory controller in the image memory

Imaging apparatus for performing selective processing of image data

In an imaging apparatus, an image is to be displayed in real-time on a finder. In the finder mode, a CCD interface thins out horizontal components of image data supplied from an image generating unit to one-third and also effects gamma correction etc to send the resulting image data to a camera DSP . The camera DSP effects data conversion and resolution conversion on the image data resulting from the thinning to convert the data into Y, Cb and Cr image data which is routed to a memory controller . The memory controller writes the image data in the image memory and reads out the data from the memory controller to route the read-out data over an image data bus to an NTSC/PAL encoder . The NTSC/PAL encoder converts the image data in resolution and further converts the image data into data of the NTSC or PAL system to route the resulting data to a finder.

Imaging apparatus in which reduced resolution image data is generated, and when supplied over an image data bus, the resolution is increased and outputted

A camera signal processing apparatus comprises an interpolated pixel data generating device for interpolating, at least on two directions, pixel data based on an imaging signal from a solid-state image sensor; a correlation detecting device for detecting a correlation value indicative of a degree of correlation in each of the at least two directions of the interpolated pixel data; a normalizing device for normalizing the correlation value of each of the at least two directions to generate a normalized value indicative of a relative value of the correlation value; a correcting device for adding a predetermined correction value to the normalized value; a weighting device for weighting the interpolated pixel data in each of the at least two directions by the normalized value and adding together the weighted interpolated pixel data; and an image generating device for generating an image based on the weighted interpolated pixel data weighted.

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Kanagawa, Japan

Toshihisa Yamamoto