WO2004012150A1 - 画像認識装置及び画像認識プログラム - Google Patents
画像認識装置及び画像認識プログラム Download PDFInfo
- Publication number
- WO2004012150A1 WO2004012150A1 PCT/JP2002/007649 JP0207649W WO2004012150A1 WO 2004012150 A1 WO2004012150 A1 WO 2004012150A1 JP 0207649 W JP0207649 W JP 0207649W WO 2004012150 A1 WO2004012150 A1 WO 2004012150A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information
- play event
- player
- image recognition
- score
- Prior art date
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
Definitions
- the present invention relates to an image recognizing apparatus capable of appropriately recognizing an image content that has been difficult to recognize in the past, in content related to sports such as a material video before broadcast or a broadcast or a sports program recorded on a recording medium. It is a thing. Background art
- the present invention employs the following means.
- the movement of a player in a sport that competes between areas defined by obstacles such as a net is recorded on a program being broadcasted in the sport, a material video before the broadcast, or a recording medium such as a VTR.
- An image recognition device for recognizing from the content to be obtained, a score information acquisition unit for acquiring score information indicating a score between players during a match, and the obstacle included in the content.
- Event information acquisition section that acquires play event information that indicates a characteristic action of a player from video information that includes players, players, and score information displayed on the screen, and play event information. By comparing the score information immediately before the time at which the event occurred with the score information immediately after, the play event information indicates the result by referring to the result provided by the play event information. Picture Characterized that you have a recognized image image content recognizing unit contents.
- the score information immediately before and immediately after the time at which the play event information occurred can be used to reliably determine which score the play event information relates to. Therefore, it is possible to provide an image recognition device capable of accurately grasping the contents of the play event information and recognizing specific image contents.
- the score information acquisition unit may include the video information included in the content, a commentary by a commentator. Acquiring score information from at least one or more pieces of audio information such as voice or data multiplexed and transmitted on airwaves being broadcast.
- a domain element extraction unit that extracts from the video information the player position information and tool information that moves between the areas and counts the score of the sport, and rules for performing the sport
- a rule information storage unit for storing information
- a basic operation information storage unit for storing characteristic basic operation information of a player generalized in the sport, wherein the domain element extraction unit extracts a domain from video information.
- the characteristic play event information of the player indicated in the video information based on the domain element extracted when the game element was extracted, the rule information, and the basic motion information stored in the basic motion information storage unit. It is preferable that the play event information determination unit be configured to be provided in the play event information acquisition unit.
- the characteristic movement of the player can be For efficient extraction, it is desirable that the player position information is position information indicating an area including a player and equipment that the player always uses during play.
- the domain element extraction unit may use the facility extracted by the domain element extraction unit. There is a method of extracting player position information from the video information based on information.
- the domain element extraction unit may use the facility information and the player position information extracted by the domain element extraction unit. There is a method of extracting tool information such as poles from the video information based on the information.
- the plurality of pieces of play event information determined by the play event information determining unit are arranged in order of time.
- a play event index information output section configured to output the play event information is configured to be included in the play event information acquisition section, and the play event index information output section is further provided.
- the tool information be output in chronological order along with the play event information.
- the use facility information, the player position information, the use tool information, and the rule information are subjected to image extraction. It only needs to be based on knowledge of sports events.
- FIG. 1 is a device configuration diagram of an image recognition device according to an embodiment of the present invention.
- FIG. 2 is a functional block diagram according to the first embodiment.
- FIG. 3 is a diagram showing a coat model used for extracting a line from video information in the embodiment.
- FIG. 4 is a diagram showing a net model used for extracting a net line from video information in the embodiment.
- FIG. 5 is a diagram showing a joint line and a net line extracted from the video information in the embodiment.
- FIG. 7 is a diagram showing detection of a pole area in the embodiment.
- FIG. 8 is a diagram showing tracking of a pole position in the embodiment.
- FIG. 9 is a diagram showing a storage mode of a basic operation information storage unit in the embodiment.
- FIG. 10 is a diagram showing a storage mode of a rule information storage unit in the embodiment.
- FIG. 11 is a diagram showing identification of a player's basic motion in the embodiment.
- FIG. 12 is a time chart in which the play event information and the ball position of each player are associated with the score information in the embodiment. It is a figure showing a chart.
- FIG. 13 is a flowchart showing a process of performing image recognition from video information in the embodiment.
- FIG. 1 is a device configuration diagram showing a device configuration of an image recognition device according to the present embodiment.
- FIG. 2 is a functional block diagram in the embodiment.
- the image recognition device is characterized by content related to sports recorded on a broadcast program or a recording medium displayed using a recording / reproducing device such as a television or a VTR.
- a recording / reproducing device such as a television or a VTR.
- an input / output interface connected to a recording / reproducing device such as a television or VTR as shown in Fig. 1 Interface 11
- an external storage device 12 such as HDD for storing data, programs, etc., and internal memory 13
- the CPU 14 operates to operate the apparatus as the image recognition apparatus 1, and a user interface 15 such as a keypad mouse for receiving user information of the user is mainly used. Components.
- content refers to the movement of the player, and the coat is reflected vertically from diagonally above.
- the video includes shots taken by such angles, shots by referees, and short shots for the audience, as well as audio by commentators.
- a tennis program will be described as an example of “content”.
- the score information acquisition unit 10 is operated as shown in FIG. 1, domain element extraction unit 102, basic operation information storage unit 103, rule information storage unit 104, play event information determination unit 105, and play event index information output unit It has a function as a play information acquisition unit 107 having an image recognition unit 106, an image content recognition unit 108, and the like.
- the score information acquisition unit 101 automatically analyzes the image information displayed on the television receiver to automatically acquire score information indicating the score between players during the match. And is configured using the input / output interface 11 or the like. In this embodiment, the score information acquisition unit 101 is configured to automatically acquire the score information. However, the score information acquisition unit 101 may acquire the score information manually. Score information can be obtained by any method.
- the domain element extraction unit 102 uses the facility information, such as obstacles such as nets, a coat as a demarcated area, and a coat line as a boundary indicating the boundary outside the coat.
- Athlete position information indicating the position of the athlete and This is to extract, from the video information, the equipment to be used to count sports scores.
- the use facility information to be extracted is a coat line and a net line, and the position information of the player 1 and the position information of the player 2 that compete against the extracted player position information.
- the tool information to be extracted is referred to as a tennis pole (hereinafter referred to as a “pole”).
- the facility information, player position information, and equipment used extracted in this domain element are collectively referred to as a domain element.
- the use facility information is extracted from coat feature points P ci, ..., P c! 4 (hereinafter collectively referred to as “P c”), a coat model that defines the coat lines L cp ' ⁇ ⁇ and L c 9 (hereinafter collectively referred to as “L c”), and FIG. As shown in the figure, a net feature point P n!
- an initial feature point P c (0) is given as an input, and then a col-line L c (0) determined by P c (0) Huff each line Into a plane, the size w th the center of each peak point on the Hough plane, w r. Is set to prepare the detection window W c (0).
- the binarized image B (t) of the original image is ANDed with the neighborhood of the coat line Lc (t-1), and only the neighborhood of the cost is calculated.
- Binary image hereinafter referred to as “coatline binary image” is set to generate Be (t).
- BIN is a function indicating that the argument in () is binarized.
- the detection mode and the tracking mode are switched to extract the pole.
- the template T b (X, y) is a type of tool provided to extract the video information or et ball
- expansion Oh Ru have the thumbnail in the video is the size of the pole and tentatively b x X b y being, is set to that the ash enlarged slightly b x X b y either et periphery of this outward and template one bets.
- the tracking mode the tape Npure preparative T b (x, y) is the even track the by Ri pole track BW in template Tomah etching with.
- the search is performed with the position obtained by adding the previously detected movement amount to the current frame as it is as the predicted center. Then, when the distance between the player area and the position of the pole candidate Ba becomes smaller than a certain threshold, the detection mode is executed, and if not, the tracking mode is repeated. It is set as follows.
- the pole trajectory BW in an arbitrary time interval can be obtained.
- the trajectory BW of the pole is displayed superimposed on video information at an arbitrary time in order to easily express the trajectory BW of the pole.
- the basic operation information storage section 103 stores characteristic basic operation information of generalized players in the sport, and is a predetermined area of the external storage device 12 or the internal memory 13. Is formed. In this embodiment, as shown in FIG. 9, the basic movement information is such that the player stays there. "Stay” for movement, "move” for movement of the player, "forehand swing”: forehand_swing, “backhand-swing” for knock-no-swing, o Five types of attribute values, "overhead-swing”, which represent one-head, one-head swing operation, are stored in association with the basic operation information ID that indicates a unique value in this system. .
- the rule information storage unit .104 stores rule information necessary for performing the sport and operation index rule information indicating an action of a player performing the sport. It is formed in a predetermined area of the external storage device 12 or the internal memory 13. More specifically, the motion index rule information includes, for example, motion index rule information indicating a player's motion index “service” as shown in FIG. On the basis of the basic motion information, "both players stay” at the same time at the same time on the outer side of the court, and then either player performs fx overhead swing on the outer side of the court. " And the action index information that indicates the player's action index "net dashing". Other than in the zone, it will be located in the net court at the next pole hit time. "
- the play event information acquisition unit 107 is connected to the play event information decision unit 105 and the play event index information output. Part 10.6, and a play event that shows a characteristic action of the player from video information including the obstacles and players included in the content and score information displayed on the screen. The information is obtained by arranging the information in chronological order.
- the play event information determination unit 105 includes the domain element extracted from the video information by the domain element extraction unit 102, the rule information, and the operation index rule. Based on the information and the basic motion information stored in the basic motion information storage section 103, the characteristic play event information of the player indicated in the video information is determined.
- discrimination of a player's basic movements is based on the relative positional relationship between the player's position and the pole position at the time of the pole hit, It is set so that it is determined by comprehensively judging the positional relationship between the train and the net line, for example, as shown in Fig. 11 If the pole is above the identification line at the top of the circumscribed rectangle surrounding the athlete, "overhead_swing". "," Backhand—swing "is set. The identification line is set at the upper part of the player area determined by a fixed ratio according to the length of the player circumscribed rectangle in the y direction.
- the play event index information output unit 106 arranges the plurality of play event information and the pole position information determined by the play event information determination unit 105 in order of time. This is output to the play event information acquisition unit 107 as a time chart.
- the relationship between player 1 and player 2 and the pole is described in order of time.
- the arrow corresponding to “o Verhead—swing” of Player 1 indicates that during that time period, the player corresponding to Player 1 performs the basic motion “o Verhead_swing”, and Represents the trajectory BW consisting of j i representative points (P i +,..., P j).
- the image content recognition unit 108 compares the score information immediately before the time at which the play event information acquired by the play event information acquisition unit 107 with the score information immediately after the occurrence of the play event information. Then, by referring to the result provided by the play event information, the image content indicated by the play event information is recognized.
- Player 1 performs "o Verhead_swing” immediately before time T1, and then performs "move” immediately after time T1.
- Player 2 performs "move” immediately before time T1 and then “bac” immediately after time T1.
- Paul is "hit” and “bounced” immediately before and immediately before time T1, and is also "hit” immediately before time T1. Since the scores of Player 1 and Player 2 are not changed, the player event information performed by Player 1 and Player 2 immediately before time T1 is based on the score.
- the image content recognition unit 108 recognizes that the operation is not a characteristic operation.
- the player 1 performs “move” immediately before the time T2, and then performs “forehand_swing” immediately after the time T2.
- the player 2 performs "move” immediately after the time T2 after performing "bacchand-swing”.
- Paul is "hit” immediately before and immediately before time T2.
- the score of the player 1 and the player 2 has not changed. Therefore, the play event performed by the player 1 and the player 2 immediately before the time T2.
- the image content recognizing unit 108 recognizes that the information is not a characteristic operation based on the score.
- Player 1 performs "forehand_swing” immediately before time T3, and then performs "stay” immediately after time T3.
- Player 2 performs “stay” immediately after time T 3 after performing “mo V e”.
- the score of Player 1 changed from 0 to 15 and the player 1's ";forehand-swing” Therefore, the pole hit by "hit” bounces with the player 2's coat, and the image content recognition unit 108 recognizes that the player 1 has been scored without being hit back by player 2.
- the basic operation information storage unit 103 and the rule information storage unit 104 for such a series of play event information, the play event information is obtained. Recognize that “passing was successful”.
- a coat line and a net line are respectively extracted from the video information (step S101), and the coat line and the net line are removed from the video information.
- the player position information is output by specifying the area where the overlap is maximum in the value image (step S102).
- a pole is extracted from the video information based on the extracted player position information (step S103).
- play event information of the player is determined (step S104), and pole position information is determined. Both are arranged and output in the order of elapse of time (step S105). Then, the meaning of the play event information is determined based on the state of the score information before and after the occurrence of the play event information, whereby the video is displayed. Recognize the information image (step S106).
- the score information immediately before and immediately after the time at which the play event information occurred can be used to reliably determine which score the play event information relates to. Therefore, it is possible to provide an image recognition device capable of accurately grasping the contents of the play event information and recognizing specific image contents at a relatively low cost.
- the content is a tennis program
- the domain information extracted from the video information is used.
- the facility information is a coat line and a net line. It goes without saying that the used facility information to be extracted when other sports programs are replaced will also be changed from now on. In addition, player position information and equipment information will be changed in the same manner.
- the play event information is arranged in the order of time, and then the score information before and after the play event information is acquired.
- the play event information is not arranged in the order of time. It may be configured to acquire score information before and after the time when the vent information occurred.
- the contents of the play event information to be acquired and the process of acquiring the play event information may be in various modes.
- characteristic games from sports-related content recorded on broadcast programs and recording media displayed using recording and playback devices such as televisions and VTRs Although it was configured to recognize the movement of the middle player, For example, from the video information that was archived on the night video of the material video before the broadcast of the sport at the stadium, the distinctive behavior of the players during the game was recognized.
- the medium to be subjected to image recognition content is not limited to this embodiment.
- b x X b predetermined template containing y Paul T b (X, y) had been configured to power sale by extracting the video information or Lapo Ichiru to have use of, without using the template
- the ball may be extracted in advance.
- the play event information is surely related to which score. Therefore, an image recognition device capable of accurately grasping the contents of the play event information and recognizing specific image contents can be provided at relatively low cost.
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004524085A JP4200219B2 (ja) | 2002-07-26 | 2002-07-26 | 画像認識装置及び画像認識プログラム |
EP02751748A EP1536376A4 (en) | 2002-07-26 | 2002-07-26 | PICTURE IDENTIFIER AND PICTURE IDENTIFICATION PROGRAM |
US10/522,236 US7590286B2 (en) | 2002-07-26 | 2002-07-26 | Image recognition apparatus and program for recognizing the substance of an image, particularly in a motion picture environment |
AU2002368117A AU2002368117A1 (en) | 2002-07-26 | 2002-07-26 | Image recognition apparatus and image recognition program |
PCT/JP2002/007649 WO2004012150A1 (ja) | 2002-07-26 | 2002-07-26 | 画像認識装置及び画像認識プログラム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/007649 WO2004012150A1 (ja) | 2002-07-26 | 2002-07-26 | 画像認識装置及び画像認識プログラム |
Publications (1)
Publication Number | Publication Date |
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WO2004012150A1 true WO2004012150A1 (ja) | 2004-02-05 |
Family
ID=30795870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2002/007649 WO2004012150A1 (ja) | 2002-07-26 | 2002-07-26 | 画像認識装置及び画像認識プログラム |
Country Status (5)
Country | Link |
---|---|
US (1) | US7590286B2 (ja) |
EP (1) | EP1536376A4 (ja) |
JP (1) | JP4200219B2 (ja) |
AU (1) | AU2002368117A1 (ja) |
WO (1) | WO2004012150A1 (ja) |
Cited By (4)
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JP2009528119A (ja) * | 2006-03-03 | 2009-08-06 | コンシグリオ・ナツィオナーレ・デレ・リチェルケ | スポーツ競技場におけるイベントの自動検出方法とシステム |
JP2013188426A (ja) * | 2012-03-15 | 2013-09-26 | Sony Corp | 情報処理装置、情報処理システムおよびプログラム |
WO2015141251A1 (ja) * | 2014-03-19 | 2015-09-24 | ソニー株式会社 | 情報処理装置、情報処理方法および記録媒体 |
JPWO2015098251A1 (ja) * | 2013-12-24 | 2017-03-23 | ソニー株式会社 | 情報処理装置、記録媒体および情報処理方法 |
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US20040070691A1 (en) * | 2002-10-11 | 2004-04-15 | Akio Kojima | Image processing method of sporting events |
JP2011244031A (ja) * | 2010-05-14 | 2011-12-01 | Fujifilm Corp | 画像データ伸張装置および画像データ圧縮装置,ならびにそれらの動作制御方法 |
US9089775B1 (en) * | 2010-06-24 | 2015-07-28 | Isaac S. Daniel | Interactive game system and methods for a television audience member to mimic physical movements occurring in television broadcast content |
US20120200667A1 (en) * | 2011-02-08 | 2012-08-09 | Gay Michael F | Systems and methods to facilitate interactions with virtual content |
WO2017103674A1 (en) * | 2015-12-17 | 2017-06-22 | Infinity Cube Ltd. | System and method for mobile feedback generation using video processing and object tracking |
CN112365447B (zh) * | 2020-10-20 | 2022-08-19 | 四川长虹电器股份有限公司 | 一种多维度影视评分方法 |
KR102454801B1 (ko) * | 2020-10-22 | 2022-10-17 | 주식회사 픽셀스코프 | 스포츠 중계를 위한 영상을 결정하는 장치, 방법 및 명령을 기록한 기록 매체 |
US11704892B2 (en) * | 2021-09-22 | 2023-07-18 | Proposal Pickleball Inc. | Apparatus and method for image classification |
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JP2009528119A (ja) * | 2006-03-03 | 2009-08-06 | コンシグリオ・ナツィオナーレ・デレ・リチェルケ | スポーツ競技場におけるイベントの自動検出方法とシステム |
JP2013188426A (ja) * | 2012-03-15 | 2013-09-26 | Sony Corp | 情報処理装置、情報処理システムおよびプログラム |
US10460157B2 (en) | 2012-03-15 | 2019-10-29 | Sony Corporation | Information processing device, information processing system, and program |
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JPWO2015098251A1 (ja) * | 2013-12-24 | 2017-03-23 | ソニー株式会社 | 情報処理装置、記録媒体および情報処理方法 |
WO2015141251A1 (ja) * | 2014-03-19 | 2015-09-24 | ソニー株式会社 | 情報処理装置、情報処理方法および記録媒体 |
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JPWO2015141251A1 (ja) * | 2014-03-19 | 2017-04-06 | ソニー株式会社 | 情報処理装置、情報処理方法および記録媒体 |
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Also Published As
Publication number | Publication date |
---|---|
JPWO2004012150A1 (ja) | 2005-11-24 |
AU2002368117A1 (en) | 2004-02-16 |
EP1536376A4 (en) | 2006-07-12 |
JP4200219B2 (ja) | 2008-12-24 |
US20050213817A1 (en) | 2005-09-29 |
US7590286B2 (en) | 2009-09-15 |
EP1536376A1 (en) | 2005-06-01 |
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