WO2006003906A1 - 撮像装置、撮像素子及び撮像装置の制御方法 - Google Patents

撮像装置、撮像素子及び撮像装置の制御方法 Download PDF

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Publication number
WO2006003906A1
WO2006003906A1 PCT/JP2005/011885 JP2005011885W WO2006003906A1 WO 2006003906 A1 WO2006003906 A1 WO 2006003906A1 JP 2005011885 W JP2005011885 W JP 2005011885W WO 2006003906 A1 WO2006003906 A1 WO 2006003906A1
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WO
WIPO (PCT)
Prior art keywords
imaging
data compression
processing time
imaging device
processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2005/011885
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Takahiro Fukuhara
Tadakuni Narabu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to CA 2572021 priority Critical patent/CA2572021A1/en
Priority to KR1020067024992A priority patent/KR101130375B1/ko
Priority to CN2005800223935A priority patent/CN1981515B/zh
Priority to EP05755746A priority patent/EP1768386A4/en
Publication of WO2006003906A1 publication Critical patent/WO2006003906A1/ja
Priority to US11/630,005 priority patent/US7719578B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • H10F39/12—Image sensors
    • H10F39/199—Back-illuminated image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
    • H04N25/44—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array
    • H04N25/443—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array by reading pixels from selected two-dimensional [2D] regions of the array, e.g. for windowing or digital zooming

Definitions

  • the present invention relates to an imaging device, an imaging element, and a control method of the imaging device, and can be applied to, for example, a video camera recording an imaging result by a moving image, an electronic still camera, a monitoring device or the like.
  • the present invention acquires and records an imaging result at a high frame frequency by varying the charge accumulation time or frame period of the imaging means or the processing time of the data compression means according to the processing time in the data compression means. Even in the case of transmission, ensure that the imaging results can be compressed.
  • CMOS solid-state imaging device imaging results can be obtained at a high transfer rate of several hundred frame nanoseconds.
  • imaging results are obtained with a high frame frequency, thereby providing a more realistic sensation compared to the prior art. It is considered that high imaging results of can be obtained.
  • an imaging element capable of reliably compressing data of an imaging result even when acquiring, recording and transmitting the imaging result at a high frame frequency.
  • the configuration of the present invention it is possible to provide a control method of an imaging apparatus capable of reliably compressing data of an imaging result even when acquiring, recording and transmitting the imaging result at a high frame frequency. be able to. According to the present invention, even in the case of acquiring, recording, and transmitting an imaging result at a high frame frequency, the imaging result can be reliably compressed.
  • FIG. 3 is a time chart serving to explain the operation of the imaging device of FIG. 4 (A) and 4 (B) are schematic diagrams for describing an imaging device according to Embodiment 3 of the present invention.
  • FIG. 3 is a time chart serving to explain the operation of the imaging device of FIG. 4 (A) and 4 (B) are schematic diagrams for describing an imaging device according to Embodiment 3 of the present invention.
  • FIG. 5 is a cross-sectional view showing an integrated circuit applied to an imaging device according to Embodiment 5 of the present invention. .
  • Fig. 7 (A) and Fig. 7 (B) are schematic diagrams showing the explanation of the output by a plurality of systems by the CMOS solid-state imaging device.
  • the drive unit 6 generates various timing signals of the imaging device 3 under the control of the control unit 9 and outputs them to the imaging device 3, thereby controlling the operation of the imaging device 3 under the control of the control unit 9.
  • the drive unit 6 outputs a timing signal so that the charge accumulation time of the imaging device 3 becomes the charge accumulation time TE instructed by the control unit 9.
  • the control unit 9 controls the charge storage time TE of the image sensor 3 and, further, varies the frame period of the imaging result.
  • the frame period is a period of one frame.
  • the imaging result can be reliably compressed and recorded on a desired recording medium. It can also be transmitted.
  • the control target of this processing speed is set to the image compression unit 8 and data compression is performed with high image quality as much as possible so that frames will not be dropped.
  • the processing speed TC in the image compression unit 8 is switched.
  • FIG. 2 is a block diagram showing an imaging device according to a second embodiment of the present invention in comparison with FIG.
  • a memory unit on the input side of the image compression unit 8 12 same as the imaging device 1 of the first embodiment except that an image compression unit 13 and a control unit 14 are provided instead of the image compression unit 8 and the control unit 9.
  • the same components as those of the imaging device 1 according to the first embodiment are indicated by the corresponding reference numerals, and redundant description will be omitted.
  • the image compression unit 13 compresses the image data D 1 sequentially input under the control of the control unit 14 in the same manner as the image compression unit 8 of the imaging device 1 and records the encoded data D 2 according to the processing result. Output to system and transmission system. In this process, the image compression unit 13 directly inputs the image data D1 output from the analog-to-digital converter 7 or receives the image data D1 via the memory unit 12.
  • the image pickup apparatus 11 uses the memory unit 12 as a buffer memory, and the memory unit 12 reduces the influence of fluctuations in the processing time TC related to data compression. And process the image data D1.
  • the operation of the image compression unit 8 is controlled so that the image data D 1 held in the memory unit 12 is compressed in this manner, and the processing time in the image compression unit 13 is shortened.
  • the processing in the compression unit 13 catches up with the direct output of the image data D 1 from the imaging device 3
  • the image data D 1 temporarily stored in the memory unit 12 is directly input from the analog-to-digital converter 7 instead of the image data D 1.
  • the image compression unit 8 controls the operation of the image compression unit 8 so as to compress the image data D1. That is, in this case, the control unit 14 stops the recording of the image data D 1 in the memory unit 12 at a predetermined picture, and processes the image data D 1 directly input from the analog digital conversion circuit 7. Controls the operation of the compression unit 8.
  • the control unit 14 thereby processes the image data D1 with high image quality by using the memory 12 to prevent a frame dropout due to the fluctuation of the processing time T C in the image compression unit 3. Further, if the processing using the memory section 12 can not prevent the drop by the processing in this way, the charge storage time TE of the image pickup device 3 is increased in the same manner as described in the first embodiment, or Frame loss is prevented by reducing the processing time TC in the image compression unit 13. Also, conversely, if the image data output from the imaging device 3 is not in time for the processing of the image compression unit 13, the charge storage time TE of the imaging device 3 is reduced in the same manner as described in the first embodiment. Or, the image data D 1 is processed with the highest possible image quality by the increase of the processing time in the image compression unit 13.
  • a partial area ARA related to such selective output of imaging results is an area related to the processing of camera shake correction in this imaging device, and in this embodiment, the configuration related to camera shake correction is effectively used in this embodiment. And simplify the overall configuration.
  • this embodiment instead of controlling the sampling number of the image data output from the image pickup device, the control of the sampling number of the image data input to the image compression unit prevents the dropping of frames and the image data is high quality.
  • this embodiment is configured in the same manner as the imaging device described in the third embodiment. The configuration will be described with reference to FIG. 1 or FIG.
  • the wiring layer 59 is formed on the side opposite to the light receiving surface in this way, so that a thin semiconductor substrate is processed from the wiring layer 59 side and the photodiode 5 3 is formed.
  • the wiring layer 59 on the semiconductor substrate A support material 60 is sequentially formed, and then the semiconductor substrate is turned over and polished by CMP to complete an element layer 52.
  • a light shielding film 55, a silicon nitride film (Si N) 56, a color filter 5 7 and microlens 58 are sequentially formed.
  • the entire structure can be miniaturized and simplified.
  • a wiring layer on the opposite side and connecting the imaging means and peripheral circuits by this wiring layer, it is possible to form wiring of the wiring layer with a high degree of freedom. It can be handled reliably.
  • FIG. 8 is a perspective view showing a part of an integrated circuit applied to an imaging device according to Embodiment 6 of the present invention.
  • the imaging device according to the first to fourth embodiments is configured by this integrated circuit.
  • the integrated circuit 61 the same components as those of the integrated circuit 51 described above with reference to the fifth embodiment are designated by the corresponding reference numerals, and the redundant description will be omitted. '
  • the integrated circuit 61 according to the fifth embodiment can be obtained by integrating with the peripheral circuit portion forming the peripheral circuit through the wiring layer 59 formed on the side opposite to the light receiving surface as described above.
  • the wiring layer 59 is formed on the semiconductor substrate, and the periphery formed by another process is formed. Circuit parts are stacked. Thereafter, the semiconductor substrate is turned over and polished by CMP to complete the device layer 52.
  • the light shielding film, the color filter 57, the microlens 58, etc. are sequentially formed. Ru.
  • the imaging element portion and the peripheral circuit portion by creating the imaging element portion and the peripheral circuit portion by different wafer processes, they can be created by wafer processes suitable for each, and the overall performance can be improved.
  • the allocation to each system is switched to correspond to the switching of the number of systems.
  • the processing speed related to data compression processing is changed by various methods.
  • the present invention is not limited to this, and a combination of various methods according to the above-described embodiments may be used. You can also change the processing speed for data compression processing.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
PCT/JP2005/011885 2004-07-01 2005-06-22 撮像装置、撮像素子及び撮像装置の制御方法 Ceased WO2006003906A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA 2572021 CA2572021A1 (en) 2004-07-01 2005-06-22 Image pickup apparatus, image pickup element, and method for controlling image pickup apparatus
KR1020067024992A KR101130375B1 (ko) 2004-07-01 2005-06-22 촬상 장치, 촬상 소자 및 촬상 장치의 제어 방법
CN2005800223935A CN1981515B (zh) 2004-07-01 2005-06-22 摄像装置、摄像元件及摄像装置的控制方法
EP05755746A EP1768386A4 (en) 2004-07-01 2005-06-22 IMAGE FASTENING DEVICE, IMAGE CAPTURE ELEMENT, AND PICTURE DEVICE CONTROL METHOD
US11/630,005 US7719578B2 (en) 2004-07-01 2006-06-22 Image pickup apparatus, image pickup element, and method for controlling image pickup apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-195298 2004-07-01
JP2004195298A JP4534630B2 (ja) 2004-07-01 2004-07-01 撮像装置、撮像素子及び撮像装置の制御方法

Publications (1)

Publication Number Publication Date
WO2006003906A1 true WO2006003906A1 (ja) 2006-01-12

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PCT/JP2005/011885 Ceased WO2006003906A1 (ja) 2004-07-01 2005-06-22 撮像装置、撮像素子及び撮像装置の制御方法

Country Status (8)

Country Link
US (1) US7719578B2 (https=)
EP (1) EP1768386A4 (https=)
JP (1) JP4534630B2 (https=)
KR (1) KR101130375B1 (https=)
CN (1) CN1981515B (https=)
CA (1) CA2572021A1 (https=)
TW (1) TWI272840B (https=)
WO (1) WO2006003906A1 (https=)

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JP5216245B2 (ja) * 2007-06-01 2013-06-19 株式会社日立製作所 記憶システム、記憶制御装置及びデータ圧縮方法
JP2010244316A (ja) * 2009-04-07 2010-10-28 Sony Corp 符号化装置および方法、並びに、復号装置および方法
JP5263023B2 (ja) * 2009-06-17 2013-08-14 ペンタックスリコーイメージング株式会社 撮像装置
US20130242186A1 (en) * 2012-03-14 2013-09-19 Samsung Electronics Co., Ltd. Image processing apparatus and control method thereof
US9274275B2 (en) 2013-07-03 2016-03-01 Cisco Technology, Inc. Photonic integration platform

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JPH09163193A (ja) * 1995-12-09 1997-06-20 Sony Corp ビデオカメラ装置
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See also references of EP1768386A4

Also Published As

Publication number Publication date
CA2572021A1 (en) 2006-01-12
TW200612740A (en) 2006-04-16
EP1768386A1 (en) 2007-03-28
KR20070036053A (ko) 2007-04-02
JP2006020023A (ja) 2006-01-19
JP4534630B2 (ja) 2010-09-01
US20080062281A1 (en) 2008-03-13
TWI272840B (en) 2007-02-01
CN1981515B (zh) 2012-07-04
CN1981515A (zh) 2007-06-13
US7719578B2 (en) 2010-05-18
EP1768386A4 (en) 2010-07-21
KR101130375B1 (ko) 2012-03-28

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