[go: up one dir, main page]

KR970073126A - Rotational motion estimation method and image encoding / decoding apparatus using the same - Google Patents

Rotational motion estimation method and image encoding / decoding apparatus using the same Download PDF

Info

Publication number
KR970073126A
KR970073126A KR1019960013372A KR19960013372A KR970073126A KR 970073126 A KR970073126 A KR 970073126A KR 1019960013372 A KR1019960013372 A KR 1019960013372A KR 19960013372 A KR19960013372 A KR 19960013372A KR 970073126 A KR970073126 A KR 970073126A
Authority
KR
South Korea
Prior art keywords
information
motion
motion information
difference
rotation
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.)
Granted
Application number
KR1019960013372A
Other languages
Korean (ko)
Other versions
KR100197602B1 (en
Inventor
전병우
예종철
이상욱
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019960013372A priority Critical patent/KR100197602B1/en
Publication of KR970073126A publication Critical patent/KR970073126A/en
Application granted granted Critical
Publication of KR100197602B1 publication Critical patent/KR100197602B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

본 발명은 입력영상을 객체단위로 추출하여 각 객체의 평행이동 움직임 추정과 아울러 회전 움직임 추정시 전송효율을 향상하기 위한 회전 움직임 추정 방법 및 이를 이용한 영상 부호화/복호장장치에 관한 것이다. 본 발명의 회전 움직임 추정은, 벡터양자화기법등을 이용하여 반수상에 소정개의 대표점들을 설정하고, 그 대표점들의 세축(X,Y,Z)방향 회전각을 룩업테이블로 저장한다. 그리고, 평행이동 움직임 추정을 통해 구한 기준객체를 설정된 대표점들의 회전각에 따라 순차적으로 회전 이동하여 정사영시키고, 정사영객체들과 현재객체간의 차이값이 최소가 되는 정사영객체의 회전각에 대한 인덱스를 움직임정보로 하며, 이를 최소의 차이값과 평행이동 움직임 정보와 함께 보호화하여 전송한다. 본 발명의 영상 복호화는. 전송되는 최소의 차이값과 평행이동 및 회전 이동 움직임정보를 통해 본래의 영상을 복원한다. 따라서, 본 발명은 세축 (X,Y,Z)방향의 회전각을 움직임정보로 하지 않고 그 인덱스를 움직임정보를 전송하므로 데이터량을 줄여 전송효율을 향상시킬 수 있으며, 대표점들에 대한 회전각을 룩업테이블로 미리 저장함으로 부호화 및 복호화시간을 줄일 수 있는 효과를 제공한다.The present invention relates to a rotation motion estimation method for extracting an input image on an object-by-object basis to improve the transmission efficiency in parallel motion estimation of each object and a rotation motion estimation, and an image encoding / decoding device using the rotation motion estimation method. In the rotational motion estimation of the present invention, a predetermined number of representative points are set in the semi-prize by using a vector quantization technique or the like, and rotation angles in the three axes (X, Y, Z) directions of the representative points are stored as a lookup table. Then, the reference object obtained through the parallel motion estimation is sequentially rotated and rotated according to the rotation angles of the set representative points, and the index of the rotation angle of the orthographic object having the minimum difference value between the orthographic objects and the current object is calculated The motion information is protected and transmitted together with the minimum difference value and the parallel movement motion information. The video decoding method of the present invention comprises: And reconstructs the original image through the minimum difference value and the parallel movement and the rotation movement movement information transmitted. Accordingly, the present invention can improve the transmission efficiency by reducing the amount of data by transmitting the motion information without using the rotational angles in the three axes (X, Y, Z) directions as motion information, Is stored in advance as a lookup table, it is possible to reduce coding and decoding time.

Description

회전 움직임 추정 방법 및 이를 이용한 영상 부호화/복호화장치Rotational motion estimation method and image encoding / decoding apparatus using the same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제 4도는 본 발명에 의한 영상 부호화장치를 나타내는 블록도.FIG. 4 is a block diagram showing a video encoding apparatus according to the present invention; FIG.

Claims (20)

영상의 움직임을 추정하는 방법에 있어서, 반구상에 회전 움직임 추정의 기준이 되는 소정개의 대표점을 설정하는 제 1단계; 상기 제 1단게에서 설정한 대표점들의 세축 회전각을 저장하는 제 2단계; 입력영상에서 화소간의 유사성에 따라 객체를 추출하는 제 3단계; 평행이동 움직임 추정에 의해 상기 제 3단계에서 추출한 현재 객체에 해당하는 기준객체와 그에 해당하는 평행이도 움직임정보를 추출하는 제 4단계; 상기 제 4단계에서 추출한 기준객체를 상기 제 2단계에서 저장한 회전각에 따라 회전 이동하여 정사영시키는 제 5단계; 상기 제 5단계에서 정사영된 기준객체와 구중심의 현재객체간의 차이값을 산출하고, 그중 차이값이 최소가 되는 정사영 기준객체의 회전각에 대한 정보를 상기 제 4단계에서 추출한 평행이동 움직임정보와 함께 부호화하는 제 6단계; 및 상기 제 6단계에서 최소 차이값을 정사영 기준객체와 현재객체간의 객체차정보로 하여 부호화하는 제 7단계를 포함하느 회전 움직임 추정 방법.A method for estimating motion of a video, comprising: a first step of setting predetermined representative points to be a reference of rotational motion estimation in a spherical shape; A second step of storing three-axis rotation angles of the representative points set in the first step; A third step of extracting an object according to similarity between pixels in an input image; A fourth step of extracting a reference object corresponding to the current object extracted in the third step and parallel motion information corresponding thereto by parallel motion estimation; A fifth step of rotating the reference object extracted in the fourth step in accordance with a rotation angle stored in the second step and performing orthogonal projection; In the fifth step, the difference value between the orthographic reference object and the center of the sphere is calculated, and information on the rotation angle of the orthographic reference object with the minimum difference is calculated from the parallel motion information extracted in the fourth step A sixth step of encoding together; And a seventh step of encoding the minimum difference value as the object difference information between the orthographic reference object and the current object in the sixth step. 제 1항에 있어서, 상기 대표점의 개수(M)는 소정의 N비트로 표현할 수 있을 만큼(M〈2N)인 것을 특징으로 하는 회전 움직임 추정 방법.2. The rotational motion estimation method according to claim 1, wherein the number M of representative points is such that M can be represented by a predetermined N bits (M < 2 N ). 제 2항에 있어서, 상기 제 1단계는 반구상에 일정간격으로 대표점을 설정하는 것을 특징으로 하는 회전 움직임 추정방법.[3] The method of claim 2, wherein the first step is to set representative points at regular intervals on the semi-spherical surface. 제 2항에 있어서, 상기 제 1단계는 반구의 일정부분에는 촘촘하게 대표점을 설정하고, 반구의 다른부분에는 대표점을 넓게 설정하는 것을 특징으로 하는 회전 움직임 추정방법.[3] The method of claim 2, wherein in the first step, a representative point is densely set in a certain region of the hemispherical plane, and a representative point is set broader in another region of the hemisphere. 제 2항에 있어서, 상기 제1단계는 복수 객체의 훈련데이타를 이용하여 반구상에 통계학적으로 대표점을 설정하는 것을 특징으로 하는 회전 움직임 추정방법.3. The method of claim 2, wherein the first step is to statistically set representative points on the semi-spherical surface using training data of a plurality of objects. 제 5항에 있어서, 상기 훈련데이타를 사용할 때 설정할 대표점의 개수를 줄이기 위해 현재객체와 정사영 객체간의 차이값과 최소가 되는 점들로 그룹핑하는 벡터양자화기법을 적용하는 것을 특징으로 하는 회전 움직임 추정 방법.6. The method of claim 5, wherein a vector quantization technique is applied for grouping the difference values between the current object and the orthographic object into the minimum points in order to reduce the number of representative points to be set when using the training data . 제 6항에 있어서 상기 벡터양자화기법에 의해 그룹핑된 점들에 대해 Lloyd-Max알고리즘을 이용하여 소그룹으로 분할하고, 그 소그룹의 점들중에서 어느 하나를 대표점으로 설정하여 대표점의 개수를 줄이는 것을 특징으로 하는 회전 움직임 추정방법The method according to claim 6, wherein the points grouped by the vector quantization technique is divided into small groups using a Lloyd-Max algorithm, and one of the points in the small group is set as a representative point to reduce the number of representative points Rotation Motion Estimation Method 제 1항에 있어서, 상기 제 2단계는 대표점들에 대응하는 세축 회전각을 룩업테이블형태로 저장함을 특징으로 하는 회전 움직임 추정 방법2. The method of claim 1, wherein the second step stores the rotational angles of the three axes corresponding to the representative points in the form of a lookup table 제 1항에 있어서, 상기 제 4단계는 현재객체와 기준객체간의 위치차를 가로방향과 세로방향에 대해 계산하여 평행이동 움직임정보를 추정함을 특징으로 하는 회전 움직임 추정 방법.The method of claim 1, wherein the step (c) estimates the parallel motion information by calculating a positional difference between a current object and a reference object in a horizontal direction and a vertical direction. 제 9항에 있어서, 상기 제 4단계에서 평행이동 움직임정보는 현재 객체와 기준객체간의 위치차가 회소인 기준객체의 인덱스인 것을 특징으로 하는 회전 움직임 추정 방법.[10] The method of claim 9, wherein in the fourth step, the translation motion information is an index of a reference object having a position difference between a current object and a reference object. 제 8항에 있어서, 상기 제 6단계에서 회전이동 움직임정보는 룩업 테이블에 저장되어 있는 회전각정보에 대한 인덱스인 것을 특징으로 하는 회전 움직임 추정 방법.The method of claim 8, wherein the rotation movement information in the sixth step is an index of rotation angle information stored in a lookup table. 제 10항 또는 제 11항에 있어서, 상기 제 6단계는 움직임정보를 가변장 부호화하는 것을 특징으로 하는 회전 움직임 추정 방법.12. The method of claim 10 or 11, wherein the step (6) comprises variable length coding of motion information. 영상을 부호화하는 장치에 있어서, 입력영상에서 화소간의 유사성에 따라 객체를 추출하는 객체추출부; 상기 추출된 객체를 저장하며, 저장된 객체를 평행이동 움직임 추정을 위한 기준객체로 출력하는 객체저장부; 상기 추출된 현재객체와 상기 기준객체를 입력받아 평행이동 움직임 추정하여 추정된 기준객체와 평행이동 움직임정보를 출력하는 평행이동 움직임 추정부; 반구상에 위치하는 소정개에 대응하는 회전각을 룩업테이블형태로 저장하는 회전각저장부; 상기 추정된 기준객체를 상기 회전각저장부에 저장된 대표점들의 회전각에 따라 회전 이동하고, 이를 구중심의 현재객체를 향하여 정사영시키는 정사영변환부; 상기 정사영객체와 상기 추출된 현재 객체간의 차이값을 산출하고, 그중 최소의 차이값과 그 최소 차이값에 해당하는 정사영객체의 대표점 회전각을 회전 움직임정보로 출력하는 회전 움직임 추정부; 상기 평행이동 움직임정보와 상기 회전 움직임정보를 부호화하여 움직임정보로 출력하는 움직임정보부호화기; 상기 최소 차이값을 부호화하여 현재객체와 기준객체간의 객체차정보로 출력하는 객체차정보부호화기; 및 상기 부호화된 움직임정보와 객체차정보를 다중화하여 객체부호정보로 전송하는 다중화부를 포함하는 영상 부호화장치.An apparatus for encoding an image, the apparatus comprising: an object extraction unit for extracting an object according to similarity between pixels in an input image; An object storage unit for storing the extracted object and outputting the stored object as a reference object for parallel movement estimation; A parallel motion estimator for receiving the extracted current object and the reference object and outputting a reference object and a parallel motion motion information estimated by performing parallel motion estimation; A rotary dial holder for storing a rotation angle corresponding to a predetermined number positioned in the semi-spherical shape in the form of a look-up table; An orthographic transformation unit for rotating the estimated reference object in accordance with a rotation angle of representative points stored in the rotary grid and for orthogonalizing the estimated reference object toward a current object in the center of the sphere; A rotational motion estimator for calculating a difference between the orthographic object and the extracted current object and outputting a minimum difference value and a representative point rotational angle of an orthographic object corresponding to the minimum difference value as rotation motion information; A motion information encoder for encoding the parallel motion information and the rotation motion information and outputting the motion information as motion information; An object difference information encoder for coding the minimum difference value and outputting the difference difference as object difference information between a current object and a reference object; And a multiplexer for multiplexing the coded motion information and the object difference information and transmitting the multiplexed object code information. 제 13항에 있어서, 상기 회전각저장부는 반구상에 균등하게 기설정한 대표점들의 세축(X,Y,Z)방향 회전각을 저장하는 것을 특징으로 하는 영상 부호화장치.14. The image encoding apparatus of claim 13, wherein the rotation angle storage unit stores rotation angles in three axes (X, Y, Z) of representative points evenly preset in the spherical shape. 제 13항에 있어서, 상기 회전각저장부는 반구상의 일정부분에는 촘촘하게 설정하고, 다른부분에는 넓게 설정한 대표점들의 세축방향 회전각을 저장하는 것을 특징으로 하는 영상 부호화장치.14. The image encoding apparatus of claim 13, wherein the rotation angle storage unit stores the rotational angles of the three axes of the representative points, which are set close to each other at a certain position on the hemispherical plane, and are wider than the other points. 제 13항에 있어서, 상기 회전각저장부는 벡터양자화기법을 이용하여 반구상에 기설정한 대표점들의 세축방향 회전각을 저장하는 것을 특징으로 하는 영상 부호화장치.14. The image encoding apparatus of claim 13, wherein the rotation angle storage unit stores the rotational angles of the triangular axes of the representative points preset in the spherical shape using the vector quantization technique. 제 14항 내지 제 16항중 어느 한항에 있어서, 상기 회전 움직임 추정부는 상기 정사영객체들과 상기 추출된 현재객체간의 차이값을 산출하는 차이값산출부; 상기 산출된 차이값들중 최소가 되는 차이값을 선택하고, 선택한 차이값에 해당하는 정사영객체의 대표점 회전각의 인덱스를 회전 움직임정보로 출력하는 최소값선택부; 및 상기 산출된 차이값들을 저장하고, 상기 선택된 최소 차이값을 출력하는 차이값저장부를 구비함을 특징으로 하는 영상 부호화장치.The apparatus of any one of claims 14 to 16, wherein the rotational motion estimator comprises: a difference value calculator for calculating a difference between the orthographic objects and the extracted current object; A minimum value selection unit for selecting a difference value that is the smallest among the calculated difference values and outputting an index of a representative point rotation angle of an orthonormal object corresponding to the selected difference value as rotational motion information; And a difference value storage unit for storing the calculated difference values and outputting the selected minimum difference value. 제 13항에 있어서, 상기 움직임정보부호화기와 상기 객체차정보부호화기는 가변장부호화기법을 이용하는 것을 특징으로 하는 영상 부호화장치.14. The apparatus of claim 13, wherein the motion information encoder and the object difference information encoder use a variable length coding technique. 제 13항 내지 제 18항중 어느 한 항에 의해 부호화되어 전송되는 객체부호정보에 따라 영상을 복호화하는 장치에 있어서, 상기 객체부호정보를 역다중화하여 객체차정보와 움직임정보를 분리하는 역다중화부, 상기 분리된 객체차정보를 복호화하여 출력하는 객체차정보복호화기; 상기 분리된 움직임정보를 복호화하여 평행이동 움직임정보와 회전 움직임정보를 출력하는 움직임정보복호화기; 반구상에 위치하는 소정개의 대표점에 대응하는 세축방항의 회전각을 룩업테이블형태로 저장하고, 상기 회전 움직임정보에 해당하는 인덱스의 세축방향 회전각을 출력하는 회전각저장부; 움직임 보상된 객체들에서 상기 평행이동 움직임정보에 따라 객체를 선택하여 출력하는 객체선택부; 상기 선택된 객체를 상기 회전각에 따라 회전 이동하여 정사영시키는 정사영변환부; 상기 객체차정보와 정사영객체를 입력받아 움직임 보상하여 움직임 보상된 현재객체를 출력하는 움직임보상부; 및 상기 움직임 보상된 현재객체를 입력받아 움직임 보상하여 움직임 보상된 현재객체를 출력하는 움직임보상부; 및 상기 움직임 보상된 현재객체를 저장하는 메모리를 포함하는 영상 복호화장치.An apparatus for decoding an image according to object code information encoded by any one of claims 13 to 18, the apparatus comprising: a demultiplexer for demultiplexing the object code information to separate object difference information and motion information; An object difference information decoder for decoding and outputting the separated object difference information; A motion information decoder which decodes the separated motion information and outputs parallel motion information and rotational motion information; A rotary diaphragm holder for storing rotation angles of the trigonometric terms corresponding to predetermined representative points located at the hemispherical shape in the form of a lookup table and outputting the rotation angles of the indexes corresponding to the rotation motion information; An object selection unit for selecting and outputting an object according to the parallel movement motion information in the motion compensated objects; An orthographic transformation unit which rotates the selected object according to the rotation angle and orthogonally projects the selected object; A motion compensation unit for receiving the object difference information and the orthographic object and performing motion compensation to output a motion compensated current object; And a motion compensation unit for receiving the motion compensated current object and performing motion compensation to output a motion compensated current object; And a memory for storing the motion compensated current object. 제 19항에 있어서, 상기 객체차정보복호화기와 상기 움직임정보복호화기는 가변장복호화기법을 이용하는 것을 특징으로 하는 영상 복호화장치.The video decoding apparatus of claim 19, wherein the object difference information decoder and the motion information decoder use a variable length decoding technique. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960013372A 1996-04-29 1996-04-29 Revolving motion estimation method and image encoding/decoding apparatus using it Expired - Fee Related KR100197602B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960013372A KR100197602B1 (en) 1996-04-29 1996-04-29 Revolving motion estimation method and image encoding/decoding apparatus using it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960013372A KR100197602B1 (en) 1996-04-29 1996-04-29 Revolving motion estimation method and image encoding/decoding apparatus using it

Publications (2)

Publication Number Publication Date
KR970073126A true KR970073126A (en) 1997-11-07
KR100197602B1 KR100197602B1 (en) 1999-06-15

Family

ID=19456986

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960013372A Expired - Fee Related KR100197602B1 (en) 1996-04-29 1996-04-29 Revolving motion estimation method and image encoding/decoding apparatus using it

Country Status (1)

Country Link
KR (1) KR100197602B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100499135B1 (en) * 2001-11-27 2005-07-04 삼성전자주식회사 Encoding/decoding method and apparatus for orientation interpolator
KR100561835B1 (en) * 2000-11-23 2006-03-16 삼성전자주식회사 Method and apparatus for compression and restoration of animation path using linear approximation
KR100590522B1 (en) * 2000-10-20 2006-06-15 삼성전자주식회사 Coding apparatus and method for orientation interpolator node
US7181071B2 (en) 2001-11-27 2007-02-20 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding key value data of orientation interpolator node
KR100738241B1 (en) * 1999-09-13 2007-07-12 소니 가부시끼 가이샤 Image processing apparatus
US7809204B2 (en) 2002-10-18 2010-10-05 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding key value data of coordinate interpolator

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100738241B1 (en) * 1999-09-13 2007-07-12 소니 가부시끼 가이샤 Image processing apparatus
KR100590522B1 (en) * 2000-10-20 2006-06-15 삼성전자주식회사 Coding apparatus and method for orientation interpolator node
KR100561835B1 (en) * 2000-11-23 2006-03-16 삼성전자주식회사 Method and apparatus for compression and restoration of animation path using linear approximation
KR100499135B1 (en) * 2001-11-27 2005-07-04 삼성전자주식회사 Encoding/decoding method and apparatus for orientation interpolator
KR100537500B1 (en) * 2001-11-27 2006-01-09 삼성전자주식회사 Encoding/decoding method and apparatus for key value of orientation interpolator node
US7181071B2 (en) 2001-11-27 2007-02-20 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding key value data of orientation interpolator node
US7406206B2 (en) 2001-11-27 2008-07-29 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding key value data of orientation interpolator node
US7809203B2 (en) 2001-11-27 2010-10-05 Samsung Electronics Co., Ltd. Apparatus for encoding and decoding key data and key value data of coordinate interpolator and recording medium containing bitstream into which coordinate interpolator is encoded
US8411975B2 (en) 2001-11-27 2013-04-02 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding key value data of coordinate interpolator
US8705610B2 (en) 2001-11-27 2014-04-22 Samsung Electronics Co., Ltd. Apparatus for encoding and decoding key data and key value data of coordinate interpolator and recording medium containing bitstream into which coordinate interpolator is encoded
US7809204B2 (en) 2002-10-18 2010-10-05 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding key value data of coordinate interpolator

Also Published As

Publication number Publication date
KR100197602B1 (en) 1999-06-15

Similar Documents

Publication Publication Date Title
ES2729193T3 (en) Video information compression procedure
CN112204618B (en) Method, apparatus and system for mapping 3D point cloud data into 2D surfaces
KR100215451B1 (en) System for encoding and decoding moving image including objects of any shape
US11595630B2 (en) Depth codec for real-time, high-quality light field reconstruction
US20190191170A1 (en) System and method for improving efficiency in encoding/decoding a curved view video
EP3472756B1 (en) Video encoding method and apparatus with syntax element signaling of employed projection layout and associated video decoding method and apparatus
KR100609614B1 (en) Method and apparatus for transmitting picture data, processing pictures and recording medium therefor
KR20210102482A (en) Method and apparatus for improving image padding of video-based point cloud compression codec
CN111247562A (en) Point cloud compression using hybrid transforms
US20180286107A1 (en) Implicit view-dependent quantization
FI3903491T3 (en) Flexible tile signaling in video coding
US20210327038A1 (en) Tunable models for changing faces in images
JP2021520101A (en) Methods, equipment and streams for volumetric video formats
BR102013027082A2 (en) ENCODER, DECODER AND METHOD
US20200145695A1 (en) Apparatus and method for decoding a panoramic video
KR970073126A (en) Rotational motion estimation method and image encoding / decoding apparatus using the same
DK171882B1 (en) Pattern processing appts. e.g. for video coder - uses weighted sum of pattern values to access look up table containing class identification words
KR20200108882A (en) Method and apparatus for encoding and decoding three-dimensional scenes into a data stream
CN109427087A (en) Image processing method and device
US11915373B1 (en) Attribute value compression for a three-dimensional mesh using geometry information to guide prediction
Kim et al. Learning Point Cloud Completion without Complete Point Clouds: A Pose-Aware Approach.
US10375398B2 (en) Lightfield compression for per-pixel, on-demand access by a graphics processing unit
US6526178B1 (en) Picture mapping apparatus and picture mapping method, and picture generation apparatus and picture generation method
JP4410103B2 (en) Method and apparatus for storage and retrieval of compressed three-dimensional unit vectors
Barakat et al. Image sequence coding using 3-D IFS

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

FPAY Annual fee payment

Payment date: 20080130

Year of fee payment: 10

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20090226

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20090226

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000