公开(公告)号：JP2000076129A

公开(公告)日：2000-03-14

申请号：JP24277498

申请日：1998-08-28

Applicant: Sony Corp ,  ソニー株式会社

Inventor： OGURA HIDEFUMI

IPC: G11C11/401 ,  G06F12/06 ,  G06T1/60

Abstract: PROBLEM TO BE SOLVED: To equalize time required for the read of data.
SOLUTION: In a frame memory, pixel data DATA0-DATA23 among the pixel data DATA0-DATA39 of all the lines of image data are recorded in the Col0-Col23 of a prescribed row and the pixel data DATA24-DATA39 are recorded in the Col8-Col23 of the next row. Further, the pixel data DATA 16-DATA23 are recorded in the Col0-Col7 of the next row. For instance, in the case of reading the pixel data DATA20-DATA27 for eight pixels, the Col4-Col11 of the row 3 storing all of the pixel data DATA20-DATA27 are decided as read addresses so as not to perform read over the two rows.
COPYRIGHT: (C)2000,JPO

Abstract translation: 要解决的问题：平衡读取数据所需的时间。 解决方案：在帧存储器中，所有行图像数据的像素数据DATA0-DATA39中的像素数据DATA0-DATA23被记录在规定行的Col0-Col23中，像素数据DATA24-DATA39被记录在Col8- Col23的下一行。 此外，像素数据DATA 16-DATA23被记录在下一行的Col0-Col7中。 例如，在读取八个像素的像素数据DATA20-DATA27的情况下，存储所有像素数据DATA20-DATA27的行3的Col4-Col11被确定为读地址，以便不执行两行的读取 。

公开(公告)号：JPH11252552A

公开(公告)日：1999-09-17

申请号：JP5399098

申请日：1998-03-05

Applicant: SONY CORP

Inventor： TAKASHIMA MASATOSHI ,  HIRANAKA DAISUKE ,  OGURA HIDEFUMI ,  TAWARA KATSUMI ,  OISHI YOSHIAKI ,  YASUDA KANTA ,  NEGISHI SHINJI

IPC: H04N7/08 ,  H04N7/081 ,  H04N7/24 ,  H04N7/52 ,  H04N19/00 ,  H04N19/40 ,  H04N19/46 ,  H04N19/463 ,  H04N19/70 ,  H04N21/234 ,  H04N21/44

Abstract: PROBLEM TO BE SOLVED: To obtain a compression coding method and a compression coder for a video signal and a multiplexing method and a multiplexer for compression coded data by which an underflow of a decoder due to the occurrence of a big picture is avoided. SOLUTION: In a system where output time management information and/or decoding time management information are multiplexed on a stream and a resulting stream is sent to obtain synchronization between a plurality of compression coded signals, a video signal coding processing section 1 applies compression coding to a video signal to generate compression coded data. Furthermore, as access unit information(AUI) to multiplex the compression-coded data of the video signal, a picture size, a picture type, a repeat first field and a flag denoting the occurrence of a big picture are generated, and a system coder and multiplexer 3 applies multiplexing processing to the data based on the AUI.

公开(公告)号：JPH08228355A

公开(公告)日：1996-09-03

申请号：JP5501295

申请日：1995-02-20

Applicant: SONY CORP

Inventor： OGURA HIDEFUMI ,  IIDA YASUHIRO ,  IKENAGA YUICHIRO

IPC: H04N11/04 ,  H04N19/105 ,  H04N19/137 ,  H04N19/139 ,  H04N19/176 ,  H04N19/196 ,  H04N19/42 ,  H04N19/436 ,  H04N19/46 ,  H04N19/50 ,  H04N19/51 ,  H04N19/513 ,  H04N19/57 ,  H04N19/70 ,  H04N7/32

Abstract: PURPOSE: To provide a motion vector detector by which a search range is expanded and wiring length and the number of wires is suppressed in packaging. CONSTITUTION: The picture element data 6 of a retrieval block and the picture element data 7 of a reference block are supplied to a vector arithmetic circuit 2, and a remainder is calculated and outputted. The output of the motion vector arithmetic circuit 2 is supplied to an adder 3, and offset information for an expanded search range is added on a motion vector, and a result is supplied to a remainder comparator 4. Data 10 including the remainder and the motion vector is supplied from the outside to the remainder comparator 4. The remainder of the data 10 supplied to the remainder comparator 4 is compared with data 8, and the remainder with small remainder is selected and outputted. The output is supplied to a remainder and motion vector output circuit 5, and outputted as the output data 9 of a motion vector detection circuit 1.

公开(公告)号：JPH0865681A

公开(公告)日：1996-03-08

申请号：JP20066294

申请日：1994-08-25

Applicant: SONY CORP

Inventor： TAKASHIMA MASATOSHI ,  OGURA HIDEFUMI

IPC: H04N11/04 ,  H04N5/14 ,  H04N7/26 ,  H04N7/32

Abstract: PURPOSE: To reduce circuit scale in the case of simultaneously detecting a frame motion vector and a field motion vector. CONSTITUTION: A reference frame block is supplied from a memory 20 to a feature extracting circuit 21A, and a retrieval frame block is supplied from a memory 30 to a feature extracting circuit 31A. At the extracting circuits 21A and 31A, matching elements for frame are provided by dividing the frame block into small blocks and integrating picture elements constituting the respective small blocks. The frame motion vector is provided by performing matching processing while using the matching elements provided from the extracting circuits 21A and 31A. The odd-numbered field motion vector and the even- numbered field motion vector are provided by performing matching processing while using a matching element for odd-numbered field and a matching element for even-numbered field which are provided by dividing the matching elements provided from the extracting A feature extracting circuit for providing the matching elements for field is not required.

公开(公告)号：JPH0482381A

公开(公告)日：1992-03-16

申请号：JP19720790

申请日：1990-07-24

Applicant: SONY CORP

Inventor： OGURA HIDEFUMI

IPC: H04N5/21 ,  G11B20/02 ,  H04N5/93

Abstract: PURPOSE:To avoid deterioration of a picture effectively and to improve noise reduction effect by setting a feedback characteristic and a threshold level of a multiplied value to an optimum value based on noise quantity. CONSTITUTION:A digital video signal SDV stored in a frame memory circuit 4 is subject to movement correction and the result is subtracted from a digital video signal SDV of a succeeding frame at a subtractor circuit 8, a difference data DS is generated thereby, a difference data correction circuit 10 corrects a signal level and the result is subtracted from a digital video signal SDV of a succeeding frame at a subtractor circuit 2 thereby suppressing noise component included in the digital video signal SDV. In the threshold level setting mode, a level of a difference correction circuit 10 is set to a value close sequentially to a 0 level from a preset value and when noise is rapidly increased to be a level depending on a noise setting value DELTAX1 or over, the noise is set to just preceding values ta, -ta.

公开(公告)号：JPH03248373A

公开(公告)日：1991-11-06

申请号：JP4519790

申请日：1990-02-26

Applicant: SONY CORP

Inventor： YAMASHITA KEITARO ,  OGURA HIDEFUMI

IPC: G11B20/10 ,  G11B15/02 ,  G11B15/087 ,  G11B20/00 ,  H04N5/913 ,  H04N5/93

Abstract: PURPOSE:To prevent dubbing by decoding an identification code on a 2nd transmission line based on a timing signal from a 1st transmission line and recording a data on a 1st tape to a 2nd tape based on a dubbing permission signal upon coincidence with a prescribed data. CONSTITUTION:The identification code C based on a discriminating data (d) on the 1st tape is synchronized with a prescribed timing signal (t) on the 1st transmission lines 10 and 11 (audio signal line and video signal line) and supplied to the 2nd transmission lines 10, 11 and 22 (dedicated transmission line), and the identification code C on the 2nd transmission lines 10, 11 and 22 is decoded and discriminated based on the timing signal (t) from the 1st transmission lines 10 and 11. Consequently, when the discriminating data (d) to be transmitted from the 1st tape 1 is rewritten by interrupting the transmission lines 10, 11 and 22 with a transmission data rewriting device, a time lag is generated be tween the 1st transmission lines 10 and 11 or 22 and the 2nd transmission lines 10 and 11, and the identification code is not correctly decoded in a recording system 3. By this method, dubbing is infeasible.

公开(公告)号：JP2007060706A

公开(公告)日：2007-03-08

申请号：JP2006282976

申请日：2006-10-17

Applicant: Sony Corp ,  ソニー株式会社

Inventor： OGURA HIDEFUMI

IPC: H04N19/50 ,  H04N19/105 ,  H04N19/136 ,  H04N19/137 ,  H04N19/139 ,  H04N19/174 ,  H04N19/176 ,  H04N19/196 ,  H04N19/423 ,  H04N19/51 ,  H04N19/513 ,  H04N19/625 ,  H04N19/85 ,  H04N19/91

Abstract: PROBLEM TO BE SOLVED: To expand search area without increasing transfer rate of search data when motion vector is detected.
SOLUTION: When motion vector is detected per a reference block by calculating image data of a reference block and calculating image data of an inspection block in search area, variable setting of the search area is performed, based on motion vectors detected in a plurality of continuous reference blocks. Blocks which are continuous in horizontal direction or vertical direction are preferable for a plurality of the reference blocks.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：当检测到运动矢量时，扩大搜索区域而不增加搜索数据的传送速率。 解决方案：当通过计算参考块的图像数据并计算搜索区域中的检查块的图像数据来检测每个参考块的运动矢量时，基于在检测区域中检测到的运动矢量来执行搜索区域的可变设置 多个连续参考块。 对于多个参考块，优选在水平方向或垂直方向上连续的块。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2000138936A

公开(公告)日：2000-05-16

申请号：JP31147898

申请日：1998-10-30

Applicant: SONY CORP

Inventor： NARITA HIDEYUKI ,  OGURA HIDEFUMI ,  MIURA TAKESHI ,  HIRANAKA DAISUKE

IPC: H04N19/50 ,  G06T9/00 ,  H04N19/126 ,  H04N19/134 ,  H04N19/136 ,  H04N19/137 ,  H04N19/139 ,  H04N19/14 ,  H04N19/15 ,  H04N19/172 ,  H04N19/176 ,  H04N19/196 ,  H04N19/423 ,  H04N19/503 ,  H04N19/51 ,  H04N19/527 ,  H04N19/593 ,  H04N19/60 ,  H04N19/61 ,  H04N19/625 ,  H04N19/85 ,  H04N19/87 ,  H04N19/91 ,  H04N7/32

Abstract: PROBLEM TO BE SOLVED: To realize conduction of rate control in following to a change in an image, leaving features of a conventional rate control algorithm without largely modifying it, assignment of proper bit quantity in response to each picture type, and prevention of image quality deterioration by compensating a blank of prediction without increasing the circuit scale or the like and to realize similarly them even in inter-frame compression including a scene change. SOLUTION: An inter-field motion prediction residue of an input image and a flatness parameter of the image in a line are generated in step S1, a prediction coding difficulty of an image to be coded in the future based on the inter-field motion prediction residue of the input image and the flatness parameter of the image is generated in steps S2, S3, an objective information quantity of the image to be coded next is generated from the prediction coding difficulty in step S5, and an objective quantization scale is set from an objective information quantity in step S6.

公开(公告)号：JP2000078581A

公开(公告)日：2000-03-14

申请号：JP24309698

申请日：1998-08-28

Applicant: Sony Corp ,  ソニー株式会社

Inventor： OGURA HIDEFUMI

IPC: H04N19/50 ,  H04N19/423 ,  H04N19/51 ,  H04N19/57 ,  H04N19/85 ,  H04N7/32

Abstract: PROBLEM TO BE SOLVED: To set data of prescribed bits of image data to '0'.
SOLUTION: Image data stored in a frame memory 2 are properly read out and the image data of a reference block are supplied to a bit mask circuit 21, which sets the data of bits to '0' from the LSB to the MSB by as many as specified with the control signal from a power control circuit 23 and supplies them to a moving vector detecting circuit 11. The image data in the retrieval range of a retrieval frame are supplied to a bit mask circuit 22, which sets the data of bits to '0' in order of from the LSB to the MSB and supplies them to the moving vector detecting circuit 11. The moving vector detecting circuit 11 detects a moving vector according to the image data of the reference block from the bit mask circuit 21 and the image data in the retrieval range from the bit mask circuit 22 and outputs it to a moving vector compensating circuit 10.
COPYRIGHT: (C)2000,JPO

Abstract translation: 要解决的问题：将图像数据的规定位的数据设置为“0”。 解决方案：存储在帧存储器2中的图像数据被适当地读出，并且参考块的图像数据被提供给位掩码电路21，该位屏蔽电路21将LSB的数据从LSB设置为MSB，由此将数据设置为多少 如来自功率控制电路23的控制信号所规定的，并将它们提供给移动矢量检测电路11.检索帧的检索范围内的图像数据被提供给位掩码电路22，其将位的数据设置为 '0'从LSB到MSB的顺序并将它们提供给移动矢量检测电路11.移动矢量检测电路11根据来自位掩码电路21的参考块的图像数据检测运动矢量，并且 来自位掩码电路22的检索范围内的图像数据，并将其输出到移动矢量补偿电路10。

公开(公告)号：JPH0955941A

公开(公告)日：1997-02-25

申请号：JP20874395

申请日：1995-08-16

Applicant: SONY CORP

Inventor： OGURA HIDEFUMI

IPC: H04N5/92 ,  G06T9/00 ,  H03M7/36 ,  H04N7/26 ,  H04N7/32

Abstract: PROBLEM TO BE SOLVED: To realize a picture of high quality by reducing encoded information of a motion vector. SOLUTION: A motion vector detection means 11 detects the motion vector of an input video signal for one frame by using the video signal of a previous frame. A distribution detection means 12 detects the distribution range of the motion vector obtained by the motion vector detection means 11. A control means 111 predicts the search range of the motion vector of the video signal in the motion vector detection means 11 based on the distribution range information of the motion vector, which is obtained by the distribution detection means 12, and sets the search range of the motion vector for the motion vector detection means 11. The motion vector detection means 11 detects the motion vector of the input video signal within the search range which is set by the control means 111.