baber/WOPTO huggingface dataset:
Patent KR-20110066259-A (KR)
Title: Double sealing structure for butterfly valve
Inventor: I JEONG SU
IPC: F16K1/226
Filed: 2009-12-11
Abstract: PURPOSE: A butterfly valve having a double sealing structure is provided to maintain airtightness although the static pressure and back pressure of fluid is applied. CONSTITUTION: A butterfly valve having a double sealing structure comprises a rubber seat(20), a metal seat(26), and a valve body seat(30). The rubber seat and metal seat are assembled in the outer circumference of a disc(16). The valve body seat is assembled in the inner circumference of the valve body. The valve body seat is touched with the rubber seat and metal seat to keep airtightness. The valve body seat comprises an inclined plane part(32), a concave part(34), and a flat part(36). The inclined plane part is formed in the behind of the inner circumference of the valve body seat and is touched with the metal seat. The flat part restricts a push-back movement.
Patent KR-20110066471-A (KR)
Inventor: JEONG EUN SOK
IPC: A62C37/08
Filed: 2009-12-11
Abstract: 본 발명은 스프링클러 헤드에 관한 것으로, 그 구조를 개선하여 밸브 캡을 디플렉터와 일체로 형성하여 디플렉터에 의한 살수불량을 미연에 방지할 수 있도록 한 것이다. 
     이를 위해, 프레임(16)의 하부 측벽을 따라 복수 개의 분사공(16a)을 형성하고 상기 프레임(16)의 하부에는 리테이너 링(7)의 반지름보다 얕은 수용공간(18)을 형성하여 상기 수용공간(18) 내에 일단이 절개된 리테이너 링(7)을 삽입함과 함께 상기 리테이너 링(7)의 상부에는 인너 로딩 플레이트(17)의 경사면(17a)이, 그리고 하부에는 판 상의 아우터 로딩 플레이트(19)의 경사면(19a)이 각각 접속되게 설치되어 인너 로딩 플레이트(17) 및 아우터 로딩 플레이트(19)는 록킹스크류(13)에 의해 체결되고, 상기 인너 로딩 플레이트(17)의 가압력은 밸브 캡(20)에 나사 결합된 임프레스 스크류(15)에 의해 조절되도록 구성된 것을 특징으로 한다. 
       
     스프링클러, 밸브 캡, 압력 분산, 신속한 살수
Patent KR-20110068300-A (KR)
Title: The deque coupling device
Inventor: JANG KYUNG KYOU
IPC: E01C5/00
Filed: 2009-12-16
Abstract: PURPOSE: A freely angle-adjustable deck connector is provided to reduce a construction period to install a deck and enable a worker to conveniently perform a work by simply forming a winding part. CONSTITUTION: A freely angle-adjustable deck connector comprises a connector(10), a section steel(20) and a deck(30). The connector comprises a globular body(110) and a connecting bar(120). The connecting bar is coupled to the globular body and is fixed to a coupling plate(130). The coupling plate of the connector is inserted into the section. The deck is fixed to the top of the section steel.
Patent KR-20110069460-A (KR)
Title: Apparatus and method of fabricating flat display device
Inventor: CHO SEONG PIL
IPC: G02F1/13
Filed: 2009-12-17
Abstract: PURPOSE: A manufacturing apparatus and method for flat display device is provided to decrease a separating force of a mold, is minimized a damage of the mold for imprint by separate successively from the substrate by using a shearing force. CONSTITUTION: A manufacturing apparatus for flat display device comprises: a mold for imprinting(110), and a movable separating unit(122). The mold for imprint has a projected portion and a groove. The mold for imprint is pressed to a substrate for forms a thin film patterns(104) on the substrate(101). The movable separating unit is rotating/moving and vacuum-sucks the mold for imprint.
Patent KR-20110071332-A (KR)
Title: Light emitting diode package and method for fabricating the same diode
Inventor: JUNG JUNG HWA
IPC: H01L33/52
Filed: 2009-12-21
Abstract: PURPOSE: A light emitting diode package and manufacturing method thereof are provided to make a transparent wall by the same materials as a sealing member, thereby completing an LED package without eliminating the transparent wall which is formed on a base. CONSTITUTION: At least one LED chip(34) is mounted on a base(31). A first electrode(32) and a second electrode(33) are placed on the base. A transparent wall(35) includes a filling space in the base. The filling space is filled with a fluorescent material(36) so that the fluorescent material covers the LED chip. A sealing member covers the entire transparent wall.
Patent KR-20110071424-A (KR)
Title: Receiving system receving radio frequency signal to convert into baseband signal
Inventor: HAHM YOUNG KWON
IPC: H04B1/16
Filed: 2009-12-21
Abstract: PURPOSE: A reception system, a digital down converter, and a digital down converting method are provided to digitize radio frequency signal to convert the digitized signal into the baseband signal. CONSTITUTION: An analog to digital converter(420) digitalizes the received radio frequency signal. A1-m digital down converters(500_1~500_m) convert the digitized signal into the baseband signal. Each of digital down converter comprises a multiplier, a first low-pass filter, a first decimator, a second low pass filter and a second decimator. The second low pass filter filters for passing low value the output of the first decimator. The second decimator performs down-sampling the output of the second low pass filter.
Patent KR-20110072170-A (KR)
Title: Fabrication method for phase change random access memory device
Inventor: HAN KY HYUN
IPC: H01L27/115
Filed: 2009-12-22
Abstract: PURPOSE: A method for manufacturing a phase change memory device is provided to improve the yield and operation property of the phase change memory device by reducing an operation current and arranging a bottom electrode and a phase change material layer. CONSTITUTION: A semiconductor substrate with a bottom electrode contact hole(A) is provided. A first bottom electrode is formed on the lower side of the bottom electrode contact hole. A second bottom electrode(107) is formed on the overall structure. A second interlayer insulation layer is formed on the structure with the second bottom electrode. A mask with a line type is formed in a first direction of the semiconductor substrate and is narrower than the opening of the bottom electrode contact hole. A first intermediate insulation layer is etched with a preset depth and the mask is removed. A third intermediate insulation layer(113) is formed on the structure. The structure is planarized to expose the first intermediate insulation layer.
Patent KR-20110072217-A (KR)
Title: Viewing angle image control liquid crystal display device and driving method for the same
Inventor: LEE KYUNG EON
IPC: G02F1/133
Filed: 2009-12-22
Abstract: PURPOSE: A viewing angle control liquid crystal display device and a driving method thereof are provided to form a narrow viewing angle mode by each of sub pixels in a wide viewing angle drive mode and a narrow viewing angle drive mode according to a voltage applying condition. CONSTITUTION: A first thin film transistor is formed at an intersection between a second data line and a gate line of a pair of data lines. A second thin film transistor is formed at an intersection between a first data line and a gate line of a pair of data lines. A first pixel electrode(109) is formed in a pixel region and is connected to the first thin film transistor. A second pixel electrode(121) is connected to the second thin film transistor. A color filter layer(202) corresponds to pixel regions of a second substrate facing a first substrate.
Patent KR-20110072682-A (KR)
Title: Method for estimating middle angle of encoder
Inventor: PARK HEE KWAN
IPC: H02P6/16
Filed: 2009-12-23
Abstract: PURPOSE: A method for estimating the middle angle of an encoder is provided to improve a stepped sine property by generating a sine wave current applied to a motor by estimating and correcting the middle angle with regard to a middle position between edge signals. CONSTITUTION: A motor(10) comprises a stator and a rotor. The motor varies the speed and torque by a three phase current applied from a main controller(100). The rotation shaft of the motor is connected to the rotation shaft of an electric power steering wheel. An encoder(50) is arranged around the rotor of the motor and outputs a pulse signal according to the rotation position of the rotor. The main controller generates a sine wave current according to an edge signal inputted from the encoder.
Patent KR-20090020707-A (KR)
Title: Production of openings in a metal foil and the honeycomb body thus produced for the treatment of exhaust gases
Inventor: WIERES LUDWIG
IPC: F01N1/08
Filed: 2007-07-13
Abstract: Method for the production of openings (1) in a metal foil (2) comprising at least the following steps: a) preparation of a planar metal foil (2), b) production of at least one bend (3) in the metal foil (2), c) production of at least one opening (1) in the region of at least one bend (3) by means of a machinable production method. Grinding tools are preferably used for this method. The invention also relates to exhaust treatment units for mobile internal-combustion engines produced by such a method.
Patent KR-20090045211-A (KR)
Inventor: SAWA KOHEI
IPC: B29C48/92
Filed: 2007-07-30
Abstract: 재료의 혼련을 실행하는 혼련부와, 혼련된 재료를 사용해서 사출성형하기 위한 재료의 사출을 실행하는 사출부를 갖추되, 상기 혼련부와 사출부가 연결된 장치에 있어서, 사출용 스크루 샤프트에, 재료의 계량을 행하기 위한 계량용 스크류 홈부와, 이 계량용 홈부에 인접하고서 그 홈 형상이 다르도록 형성되어, 혼련부로부터 연속적으로 정량 공급되는 재료를 보지하기 위한 재료 보지용 공간을 형성하는 보지용 스크루 홈부가 형성되어 있음으로써, 혼련부로부터 연속적이고 정량적으로 공급되는 재료를, 단속적인 운전이 행해지는 사출부에서, 확실하게 보지할 수가 있게 된다.
Patent KR-20090031438-A (KR)
Title: Erosion preventive method and member with erosion preventive section
Inventor: KAMIMURA KENJI
IPC: B23K103/04
Filed: 2007-08-02
Abstract: An erosion preventive method of securing reliability in production and in use of an erosion susceptible portion of a target member, such as a turbine rotor blade (41), to thereby provide the portion with an erosion preventive function. An erosion preventive section with an upper and lower double layer structure is formed on the erosion susceptible portion of the target member (1), which portion is susceptible to erosion caused by liquid drops and solid particles in its use environment. To form such a structure, a lower layer (low-hardness layer)(2) of an austenite material and an upper layer (hard layer) having higher hardness than the lower layer and made of a hard material such as satellite are applied by laser build-up welding to such a portion of the target member (1). In the laser build-up welding, a laser beam is applied from a laser source (6) to the portion while the austenite material and the hard material are supplied in the form of a rod or powder by welding material supply means (5).
Patent KR-20090046881-A (KR)
Inventor: EVEREST PAUL
IPC: H04M1/72469
Filed: 2007-01-30
Abstract: 사용자 입력 장치(20)를 터치하는 물체(70, 72)의 위치 및 인가되는 압력을 나타내는 정보를 출력하는, 사용자 입력 장치(20)를 갖는 전자 장비(10)에 대한 시스템, 방법 및 컴퓨터 애플리케이션이 개시된다. 사용자 입력 장치(20)를 터치하는 물체(70, 72)의 위치 및/또는 인가되는 압력의 변화를 기반으로 하여, 정보는 디스플레이(14) 상에 디스플레이되는 커서 또는 다른 물체를 조종하기 위해서 처리된다. 예시적인 움직임은 사용자 입력 장치(20) 상에서 검출된 가해진 압력을 기반으로 하여 디스플레이(14)의 일부 상에서 줌인하거나 디스플레이(14)의 일부 상에서 줌아웃하는 것을 포함한다. 다른 실시형태에서, 디스플레이 상에 디스플레이되는 물체는 사용자 입력 장치(20)로부터 수신된 신호를 기반으로 하여  디스플레이(14)가 3차원 방식으로 사용되도록 하는 소정의 방식으로 조종될 수 있다.  
       
     트랙볼, 터치 패드, I/O 인터페이스, 네비게이팅
Patent KR-20090046909-A (KR)
Inventor: NAKAI HIROSHI
IPC: B82B3/00
Filed: 2007-08-31
Abstract: 본 발명은, 기판 상에 탄소 구조체를 형성하는 탄소 구조체의 제조장치에 관한 것이다. 이 제조장치는, 기판을 수용하는 제1 공간을 형성하는 제1실; 제1 공간에 탄소 구조체를 형성하기 위한 원료 가스를 공급하는 원료 가스 공급장치; 제1 공간과는 다른 제2 공간을 형성하는 제2실; 제2 공간에 플라즈마를 생성하기 위한 가스를 공급하는 가스 공급장치; 제2 공간에서 플라즈마를 생성하는 플라즈마 생성장치; 제1 공간과 제2 공간을 접속하는 개구; 제2 공간에서 생성된 플라즈마를 개구를 개재하여 제1 공간에 도입하는 플라즈마 도입장치;를 구비하고, 제1 공간에 도입된 플라즈마에 의해, 원료 가스를 이용하여 기판 상에 탄소 구조체를 형성한다. 이 제조장치에 의하면, 기판 상에 탄소 구조체를 형성할 때에 전극 등의 오염과 이물질 등의 발생을 억제하고, 탄소 구조체를 대면적으로 양호하게 형성할 수 있다.
Patent KR-20090055017-A (KR)
Title: Formulations for voltage switchable dielectric material having a stepped voltage response and methods for making the same
Inventor: KOSOWSKY LEX
IPC: H01B1/14
Filed: 2007-09-24
Abstract: Formulations for voltage switchable dielectric materials include two or more different types of semiconductive materials uniformly dispersed within a dielectric matrix material. The semiconductive materials are selected to have different bandgap energies in order to provide the voltage switchable dielectric material with a stepped voltage response. The semiconductive materials can comprise inorganic particles, organic particles, or an organic material that is soluble in, or miscible with, the dielectric matrix material. Formulations optionally can also include electrically conductive materials. At least one of the conductive or semiconductive materials in a formulation can comprise particles characterized by an aspect ratio of at least 3 or greater.
Patent KR-20090051103-A (KR)
Inventor: LEISTER NORBERT
IPC: G06F17/50
Filed: 2007-08-27
Abstract: 본 발명의 과제는 점마다 계산된 홀로그램의 재구성하는 동안 상기 홀로그램을 유한 크기의 픽셀로 코딩함으로 인해 나타나는 에러를 광범위하게 없애는 것이다.  상기 과제는 본 발명에 따라, 물체 단면들(6, 7, 8)로부터 계산된, 관찰자 윈도우(11)에서의 공통 파면이 픽셀 형상 및 픽셀 투명도의 역변환과 승산된 후에, 상기 승산에 의해 변형된 파면이 홀로그램 면(14)으로 변환되며, 광 변조기(9, 9')의 픽셀에서 홀로그램의 진폭 및/또는 위상 분포로서 코딩되는 방법에 의해 해결된다.  상기 방법은 푸리에 변환 또는 역 푸리에 변환을 제공하기 위한 추가 메모리 유닛 및 승산 유닛을 포함하는 상응하는 장치에서 실시된다. 
     
     홀로그램, 픽셀, 물체 단면, 파면, 관찰자 윈도우, 승산, 광 변조기, 메모리 유닛, 푸리에 변환.
Patent KR-20090049615-A (KR)
Inventor: LOHSE OLIVIER
IPC: A61K31/4704
Filed: 2007-08-30
Abstract: 본 발명은 염증성 또는 폐쇄성 기도 질환의 치료에 유용한, 결정형 Q알파로 지정된 (R)-5-[2-(5,6-디에틸-인단-2-일아미노)-1-히드록시에틸]-8-히드록시-1H-퀴놀린-2-온 말레에이트의 신규한 다형체 결정형에 관한 것이다.  결정형 Q알파의 제조 방법 또한 기재되어 있다. 
     <화학식 I> 
     
       
     
     결정형 Q알파, 베타-아드레날린수용체 효능제, 염증성 또는 폐쇄성 기도 질환
Patent KR-20090074189-A (KR)
Title: Method for protecting a heating element and heating device
Inventor: ROSENBAUER MICHAEL GEORG
IPC: H05B1/02
Filed: 2007-10-17
Abstract: The invention relates to a method for protecting a heating element (4) with at least one voltage tap (6) against overheating, with the steps: determination of a heating element limit value, determination of at least one voltage tap limit value, detection of the heating element value (4) and the at least one voltage tap value, and deactivation of the heating element (4) if the heating element limit value or the at least one voltage tap limit value is exceeded. The invention additionally comprises a heating device (2) and also a water-supplying household appliance with this type of heating device (2).
Patent KR-20090057314-A (KR)
Title: Nitrogen containing substituted heterocycles as platelet adp receptor inhibitors
Inventor: SCARBOROUGH ROBERT M
IPC: C07D409/12
Filed: 2007-09-20
Abstract: Compounds are provided which are useful as platelet ADP receptor inhibitors, for treating thrombosis and for reducing the likelihood and/or severity of a secondary ischemic event in a patient.
Patent KR-20090074232-A (KR)
Title: Communication apparatus and communication method
Inventor: TO SHIMPEI
IPC: H04L27/26
Filed: 2007-10-10
Abstract: [PROBLEMS] When feeding back the results of discrete cosine transform of reception quality information to a communication apparatus of a communication destination, a communication apparatus efficiently compresses the amount of information to be fed back. [MEANS FOR SOLVING PROBLEMS] A communication apparatus for transmitting feedback information generated from a plurality of items of reception quality information to an apparatus of a communication destination applies discrete cosine transform to the items of reception quality information and determines the results that the signal components of at least one pair of samples out of the signal components of the samples obtained by the discrete cosine transform are expressed by different amounts of information as the feedback information.
Patent KR-20090095591-A (KR)
Title: Formation of nanostructures comprising compositionally modulated ferromagnetic layers by pulsed ecd
Inventor: DELIGIANNI HARIKLIA
IPC: B82B3/00
Filed: 2007-09-25
Abstract: The present invention is related to a method for forming a structure that contains alternating first and second ferromagnetic layers of different material compositions. A substrate containing a supporting matrix with at least one open pore and a conductive base layer is first formed. Electroplating of the substrate is then carried out in an electroplating solution that contains at least one ferromagnetic metal element and one or more additional, different metal elements. A pulsed current with alternating high and low potentials is applied to the conductive base layer of the substrate structure to thereby form alternating ferromagnetic layers of different material compositions in the open pore of the supporting matrix.
Patent KR-20090087069-A (KR)
Title: Green tea drink packed in container
Inventor: FUKUDA MASAHIRO
IPC: A23L2/68
Filed: 2006-12-22
Abstract: A green tea drink packed in a container characterized by: (A) containing from 0.08 to 0.5% by mass of unpolymerized catechins; (B) the ratio of unepimerized compounds in the unpolymerized catechins being from 5 to 25% by mass; (C) the ratio of galleted compounds in the unpolymerized catechins being from 5 to 95% by mass; (D) the pH value being from 2.5 to 5.1; and (E) containing from 0.0001 to 20% by mass of at least one member selected from among fructose, glucose, sucrose, high fructose corn syrup (containing 50 to 90% of fructose) and high fructose corn syrup (containing less than 50% of fructose). Thus, it is possible to provide a green tea drink packed in a container which has both of relieved astringency and appropriate sweetness/sourness with no damage in the flavor and is suitable for prolonged storage, although it contains the sweetener. ® KIPO & WIPO 2009
Patent KR-20090092288-A (KR)
Title: Pharmaceutical formulation comprising neurokinin antagonist
Inventor: DIEDERICH ANKE
IPC: A61K9/14
Filed: 2007-12-20
Abstract: Solid dispersion comprising (4R)-4-[N'-methyl-N'-(3,5-bistrifluoromethyl-benzoyl)-amino]-4-(3,4-dichlorobenzyl)-but-2-enoic acid N-[(R)-epsilon-caprolactam-3-yl]-amide or a pharmaceutically acceptable salt or solvate thereof and a carrier. Pharmaceutical compositions comprising such solid dispersion are useful to treat patients who have functional motility disorders of the viscera, especially irritable bowel syndrome or functional dyspepsia, or urinary bladder disorders, especially urinary incontinence. ® KIPO & WIPO 2009
Patent KR-20090116698-A (KR)
Title: Thermosetting composition
Inventor: SETIABUDI FRANS
IPC: C08K5/00
Filed: 2008-01-31
Abstract: A thermosetting composition comprising (a) 97.9 to 40 percent by weightof at least one bis(dihydrobenzoxazine) prepared by the reaction of an unsubstituted or substituted bisphenol with at least one unsubstituted position ortho to each hydroxyl group, formaldehyde and a primary amine; (b) 2 to 50 percent by weight of at least one organic polyamine; and (c) 0.1 to 10 percent by weight ofat least one curing catalyst, selected from the group of carboxylic acids, sulfonic acids and phosphonic acids having at least two acid groups and no other reactive groups; wherein the percent by weight refer to the total amount of components (a), (b) and (c) in the composition, with the proviso that (a), (b) and (c) add up to 100 percent by weight; and (d) and optionally other components. Cured products of these compositions showvaluable chemical, physical and mechanical properties.
Patent KR-20090094034-A (KR)
Title: Honeycomb from controlled porosity paper
Inventor: LEVIT MIKHAIL R
IPC: D21H27/00
Filed: 2007-12-14
Abstract: This invention relates to an improved high performance honeycomb, methods for making the same, and articles including aerodynamic structures comprising the honeycomb, the honeycomb made with a paper that allows rapid impregnation of the honeycomb by structural resins while retarding excessive impregnation of node-line adhesives during manufacture. The honeycomb comprises a paper having a Gurley porosity of 2 seconds or greater and comprising high modulus fiber and thermoplastic binder having a melt point of from 120°C to 350°C, wherein at least 30 percent by weight of the total amount of thermoplastic material is in the form of discrete film-like particles in the paper, the particles having a film thickness of about 0.1 to 5 micrometers and a minimum dimension perpendicular to that thickness of at least 30 micrometers.
Patent KR-20100014769-A (KR)
Title: Electronic component module and method for production thereof
Inventor: MATZ RICHARD
IPC: H01L23/373
Filed: 2007-01-10
Abstract: The invention relates to an electronic component module having at least one ceramic circuit carrier (2, 3) and a cooling apparatus with at least one heat sink (4), where the ceramic circuit carrier (2, 3) and the cooling apparatus (4) have an interconnection area (5, 7; 6, 8) formed between them for connecting the circuit carrier (2, 3) to the cooling apparatus (4), which interconnection area (5, 7; 6, 8) comprises an interconnection layer (5, 6), which is at least partially formed from metal (and is designed for connection to a ceramic material), and a eutectic area (7, 8). The invention also relates to a method for producing an electronic component module of this kind.
Patent KR-20090099019-A (KR)
Title: Detachable substrate with controlled mechanical hold and method for production thereof
Inventor: ASPAR BERNARD
IPC: H01L27/12
Filed: 2002-04-11
Abstract: The invention relates to a method for production of a detachable substrate, comprising a method step for the production of an interface by means of fixing, using molecular adhesion, one face of a layer on one face of a substrate, in which, before fixing, a treatment stage for at least one of said faces is provided, rendering the mechanical hold at the interface at such a controlled level to be compatible with a subsequent detachment.
Patent KR-20090113380-A (KR)
Title: Ceramic honeycomb structure
IPC: B01D46/42
Filed: 2008-03-19
Abstract: A ceramic honeycomb structure (2) comprising a peripheral wall (21), partition walls (22) provided on the inside of the peripheral wall (21) in a honeycomb-like state, and plural cells (3) which are divided with the partition walls (22) and at least part of which open at the ends (23, 24). In the structure (2), a catalyst material (1) for burning soot discharged from an internal combustion engine which comprises layered alumina and silver dispersed in the layered alumina is supported on the partition walls constituting the inside faces of the cells (3). Thus, a honeycomb structure bearing a catalyst material supported thereon which enables the combustion of soot even at low temperature can be produced without corroding the honeycomb structure.
Patent KR-20090113343-A (KR)
Title: Pneumatic radial tire
IPC: B60C11/00
Filed: 2008-02-12
Abstract: Provided is a pneumatic radial tire capable of improving the belt durability effectively while retaining the excellent abrasion resistance of a tread surface. On the outer side of the crown area of a toroidal carcass (5) anchored by a pair of bead cores (4) and on the inner side of a tread rubber (7), two belt-reinforcing layers (8a and 8b) made of circumferentially extending reinforcing elements, and a belt (10) formed of two belt layers (9a and 9b) made of individual belt cords extending backward of each other with respect to the tire equatorial plane (E) are individually arranged sequentially from the inner side of the radial direction.The width (w1) of the belt cord entangled areas of the two belt layers (9a and 9b) is set to 65 % to 90 % of the tire width (W), and the maximum width (w0) of the belt-reinforcing layers (8a and 8b) is set to 60 % to 85 % of the tire width (W). The belt radius ratio of the difference (R0-R1) between the radius (R0) on the tire equatorial plane and the radius (R1) at the belt side edge position of the belt (10) in the position of the tire charged with the regular internal pressure, to the belt half width (w/2) is 0.06 or less.
Patent KR-20100014554-A (KR)
Title: Method and apparatus for detecting objects of interest in soccer video by color segmentation and shape analysis
Inventor: HUANG YU
IPC: G06V10/34
Filed: 2007-11-06
Abstract: A method is disclosed for detecting and locating players in soccer video frames without errors caused by artifacts by a shape analysis-based approach to identify the players and the ball from roughly extracted foregrounds obtained by color segmentation and connected component analysis, by performing a Euclidean distance transform to extract skeletons for every foreground blob, by performing a shape analysis to remove false alarms (non-players and non-ball), and then by performing skeleton pruning and a reverse Euclidean distance transform to cut-off the artifacts primarily caused by playing field lines.