# US 7,613,382 B2 · Image processing apparatus

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- Number: US 7,613,382 B2
- Document ID: US7613382B2
- Status: Granted
- Kind: B2
- Application number: 11/951,723
- Filed: 2007-12-06
- Published: 2008-04-03
- Granted: 2009-11-03
- Earliest claimed: 1993-04-05
- Assignees: Canon Kabushiki Kaisha
- Inventors: Koji Takahashi; Motokazu Kashida; Kenji Kawai
- Web page: https://patentgrep.com/patent/US7613382B2

## CPC

- H04N 7/0125: {one of the standards being a high definition standard}
- H04N 5/772: {the recording apparatus and the television camera being placed in the same enclosure}
- H04N 5/9261: {involving data reduction}
- H04N 9/7925: {for more than one standard}
- H04N 9/8205: {involving the multiplexing of an additional signal and the colour video signal}
- H04N 19/112: according to a given display mode, e.g. for interlaced or progressive display mode
- H04N 19/12: Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N 19/132: Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
- H04N 19/137: Motion inside a coding unit, e.g. average field, frame or block difference
- H04N 19/142: Detection of scene cut or scene change
- H04N 19/152: by measuring the fullness of the transmission buffer
- H04N 19/162: User input
- H04N 19/172: the region being a picture, frame or field
- H04N 19/593: involving spatial prediction techniques
- H04N 19/61: in combination with predictive coding
- H04N 19/85: using pre-processing or post-processing specially adapted for video compression
- H04N 19/89: involving methods or arrangements for detection of transmission errors at the decoder
- H04N 19/98: Adaptive-dynamic-range coding [ADRC]
- H04N 23/633: {for displaying additional information relating to control or operation of the camera}
- H04N 23/667: Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
- H04N 25/133: including elements passing panchromatic light, e.g. filters passing white light
- H04N 25/135: {based on four or more different wavelength filter elements}
- H04N 5/775: between a recording apparatus and a television receiver
- H04N 5/78263: {for recording on tracks inclined relative to the direction of movement of the tape}
- H04N 5/78266: {using more than one track for the recording of one television field or frame, i.e. segmented recording}
- H04N 5/9305: {involving the mixing of the reproduced video signal with a non-recorded signal, e.g. a text signal}
- H04N 9/7921: {for more than one processing mode}
- H04N 9/797: for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal (H04N9/804, H04N9/81, H04N9/82 take precedence)
- H04N 9/7973: {by dividing the luminance or colour component signal samples or frequency bands among a plurality of recording channels (H04N9/804, H04N9/825 take precedence)}
- H04N 9/8042: {involving data reduction}
- H04N 9/8047: {using transform coding}
- H04N 9/8063: {using time division multiplex of the PCM audio and PCM video signals}
- Y10S 358/906: Hand-held camera with recorder in a single unit
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

An image processing apparatus includes an image pickup circuit having a plurality of photographic modes, such as television standards, a compression processing circuit for performing compression processing of an image pickup signal outputted from the image pickup circuit, the compression circuit having a plurality of compression modes, and a selecting circuit for selecting one of the compression modes of the compression processing circuit in accordance with a selected one of the photographic modes of the image pickup circuit.

## Claims

### Claim 1

A camera-integrated type digital image data recording apparatus comprising:
a) an image pickup unit, adapted to output digital image data corresponding to a selected image size, wherein said image pickup unit includes a sensor unit, an focus control unit, an exposure control unit and a white balance control unit;
b) a selecting unit, adapted to select one of a plurality of image sizes and one of a plurality of compression modes, wherein the selection of an image size and the selection of a compression mode are performed individually;
c) an image size control unit, adapted to set the image size selected by said selecting unit;
d) a compression mode control unit, adapted to set the compression mode selected by said selecting unit;
e) a quantization control unit, adapted to determine a quantization parameter corresponding to the compression mode set by said compression mode control unit;
f) a compression unit, adapted to compress the digital image data in accordance with the compression mode set by said compression mode control unit, wherein said compression unit includes a DCT unit, a quantization unit and a coding unit;
g) an adding unit, adapted to add additional data corresponding to the image size and the compression mode selected by said selecting unit to the digital image data compressed by said compression unit;
h) a recording unit, adapted to record the compressed digital image data and the additional data;
i) a reproducing unit, adapted to reproduce the recorded digital image data; and
j) a display unit mounted on said apparatus, adapted to display the digital image data output from said image pickup unit or the digital image data reproduced by said reproducing unit.

### Claim 2 (depends on 1)

The apparatus according to claim 1, further comprising an operation mode display unit, adapted to display mode information corresponding to said selecting unit.

### Claim 3 (depends on 2)

The apparatus according to claim 2, wherein the mode information is an SD recording mode or an HD recording mode.

### Claim 4 (depends on 1)

The apparatus according to claim 1, wherein said display unit displays information indicative of time and date.

### Claim 5 (depends on 1)

The apparatus according to claim 1, wherein said focus control unit is controlled in accordance with the selection of the image size.

### Claim 6 (depends on 1)

The apparatus according to claim 1, wherein the compression mode includes a plurality of compression ratios.

### Claim 7 (depends on 1)

The apparatus according to claim 1, wherein the plurality of image sizes include a plurality of image resolutions.

### Claim 8

A camera-integrated type digital image data recording apparatus comprising:
a) an image pickup unit, adapted to output digital image data corresponding to a selected image size, wherein said image pickup unit includes a sensor unit, an focus control unit, an exposure control unit and a white balance control unit;
b) a selecting unit, adapted to select one of a plurality of image sizes and one of a plurality of compression modes, wherein the selection of an image size and the selection of a compression mode are performed individually;
c) an image size control unit, adapted to set the image size selected by said selecting unit;
d) a compression mode control unit, adapted to set the compression mode selected by said selecting unit;
e) a quantization control unit, adapted to determine a quantization parameter corresponding to the compression mode set by said compression mode control unit;
f) a compression unit, adapted to compress the digital image data in accordance with the compression mode set by said compression mode control unit, wherein said compression unit includes a DCT unit, a quantization unit and a coding unit;
g) an additional data generating unit, adapted to generate additional data corresponding to the image size and the compression mode selected by said selecting unit;
h) a recording unit, adapted to record the compressed digital image data and the additional data;
i) a reproducing unit, adapted to reproduce the recorded digital image data; and
j) a display unit mounted on said apparatus, adapted to display the digital image data output from said image pickup unit or the digital image data reproduced by said reproducing unit.

### Claim 9 (depends on 8)

The apparatus according to claim 8, further comprises an operation mode display unit, adapted to display mode information corresponding to said selecting unit.

### Claim 10 (depends on 9)

The apparatus according to claim 9, wherein the mode information is an SD mode or an HD mode.

### Claim 11 (depends on 8)

The apparatus according to claim 8, wherein said display unit displays information indicative of time and date.

### Claim 12 (depends on 8)

The apparatus according to claim 8, wherein said focus control unit is controlled in accordance with the image size set by said image size control unit.

### Claim 13 (depends on 8)

The apparatus according to claim 8, wherein the compression mode includes a plurality of compression ratios.

### Claim 14 (depends on 8)

The apparatus according to claim 8, wherein the plurality of image sizes include a plurality of image resolutions.

### Claim 15

A camera-integrated type digital image data recording apparatus comprising:
a) an image pickup unit, adapted to output digital image data corresponding to a selected image size, wherein said image pickup unit includes a sensor unit, an focus control unit, an exposure control unit and a white balance control unit;
b) a selecting unit, adapted to select one of a plurality of image sizes and one of a plurality of compression modes, wherein the selection of an image size and the selection of a compression mode are performed individually;
c) an image size control unit, adapted to set the image size selected by said selecting unit;
d) a compression mode control unit, adapted to set the compression mode selected by said selecting unit;
e) a quantization control unit, adapted to determine a quantization parameter corresponding to the compression mode set by said compression mode control unit;
f) a compression unit, adapted to compress the digital image data corresponding to the image size set by said image size control unit, in accordance with the compression mode set by said compression mode control unit, wherein the compression unit includes a DCT unit, a quantization unit and a coding unit;
g) an additional data generating unit, adapted to generate additional data corresponding to the image size and the compression mode selected by said selecting unit;
h) a recording unit, adapted to record the compressed digital image data and the additional data;
i) a reproducing unit, adapted to reproduce the recorded digital image data; and
j) a display unit mounted on said apparatus, adapted to display the digital image data output from said image pickup unit or the digital image data reproduced by said reproducing unit.

### Claim 16 (depends on 15)

The apparatus according to claim 15, further comprises an operation mode display unit, adapted to display mode information corresponding to said selecting unit.

### Claim 17 (depends on 16)

The apparatus according to claim 16, wherein the mode information is an SD mode or an HD mode.

### Claim 18 (depends on 15)

The apparatus according to claim 15, wherein said display unit displays information indicative of time and date.

### Claim 19 (depends on 15)

The apparatus according to claim 15, wherein said focus control unit is controlled in accordance with the image size set by said image size control unit.

### Claim 20 (depends on 15)

The apparatus according to claim 15, wherein the compression mode includes a plurality of compression ratios.

### Claim 21 (depends on 15)

The apparatus according to claim 15, wherein the plurality of image sizes include a plurality of image resolutions.