$\require{mediawiki-texvc}$

연합인증

연합인증 가입 기관의 연구자들은 소속기관의 인증정보(ID와 암호)를 이용해 다른 대학, 연구기관, 서비스 공급자의 다양한 온라인 자원과 연구 데이터를 이용할 수 있습니다.

이는 여행자가 자국에서 발행 받은 여권으로 세계 각국을 자유롭게 여행할 수 있는 것과 같습니다.

연합인증으로 이용이 가능한 서비스는 NTIS, DataON, Edison, Kafe, Webinar 등이 있습니다.

한번의 인증절차만으로 연합인증 가입 서비스에 추가 로그인 없이 이용이 가능합니다.

다만, 연합인증을 위해서는 최초 1회만 인증 절차가 필요합니다. (회원이 아닐 경우 회원 가입이 필요합니다.)

연합인증 절차는 다음과 같습니다.

최초이용시에는
ScienceON에 로그인 → 연합인증 서비스 접속 → 로그인 (본인 확인 또는 회원가입) → 서비스 이용

그 이후에는
ScienceON 로그인 → 연합인증 서비스 접속 → 서비스 이용

연합인증을 활용하시면 KISTI가 제공하는 다양한 서비스를 편리하게 이용하실 수 있습니다.

Auto focus circuit for video camera

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-005/232
출원번호 US-0791843 (1985-10-28)
우선권정보 JP-0228308 (1984-10-30)
발명자 / 주소
  • Hiramatsu Tatsuo (Higashiosaka JPX)
출원인 / 주소
  • Sanyo Electric Co., Ltd. (Moriguchi JPX 03)
인용정보 피인용 횟수 : 118  인용 특허 : 5

초록

An auto focus circuit for a video camera comprises an A-D converting circuit (7) for converting to a digital amount a high frequency component absolute value output of a luminance signal in a sampling area for focusing. The A-D converting circuit (7) is connected so that the high frequency component

대표청구항

An auto focus circuit for a video camera including a focusing motor for focusing, comprising: a high-pass filter circuit to which a luminance signal of a video signal is applied so that a high frequency component higher than a predetermined frequency is extracted from said applied luminance signal,

이 특허에 인용된 특허 (5)

  1. Kaneda Naoya (Kanagawa JPX) Toyama Masamichi (Tokyo JPX) Kozuki Susumu (Tokyo JPX) Kohtani Yutaka (Kanagawa JPX) Fujiwara Akihiro (Kanagawa JPX), Automatic focus control system and camera using same.
  2. Kimura Kenji (Tachikawa JPX), Automatic focus control system for video camera with improved position detecting apparatus.
  3. Sakai Shinji (Tokyo JPX) Shinoda Nobuhiko (Tokyo JPX) Hosoe Kazuya (Kunitachi JPX) Kinoshita Takao (Tokyo JPX), Camera.
  4. Hosoe Kazuya (Kunitachi JPX) Kinoshita Takao (Tokyo JPX), Camera system.
  5. Sakai Shinji (Tokyo JPX) Shinoda Nobuhiko (Tokyo JPX) Kinoshita Takao (Tokyo JPX) Hosoe Kazuya (Kunitachi JPX), Signal processing system.

이 특허를 인용한 특허 (118)

  1. Hirasawa Masahide,JPX, Autofocusing camera device.
  2. Mehra, Sumat, Automatic detection of vertical gaze using an embedded imaging device.
  3. Ciuc, Mihai; Capata, Adrian; Mocanu, Valentin; Pososin, Alexei; Florea, Corneliu; Corcoran, Peter, Automatic face and skin beautification using face detection.
  4. Ciuc, Mihai; Capata, Adrian; Mocanu, Valentin; Pososin, Alexei; Florea, Corneliu; Corcoran, Peter, Automatic face and skin beautification using face detection.
  5. Kuga Ryuichiro (Katano JPX) Yoneyama Masayuki (Takatsuki JPX) Miura Teruyoshi (Hirakata JPX) Hirao Yoshiaki (Habikino JPX), Automatic focusing apparatus.
  6. Haruki Toshinobu (Shijonawate JPX) Kikuchi Kenichi (Daito JPX), Automatic focusing apparatus for automatically adjusting focus in response to video signal by fuzzy inference.
  7. Hidaka Masaru (Nara JPX) Murashima Hirotsugu (Yamatotakada JPX) Takuma Masao (Toyonaka JPX) Haruki Toshinobu (Shijonawate JPX) Kikuchi Kenichi (Osaka JPX), Automatic focusing apparatus having a variable focusing speed and particularly suited for use with interlaced scanning.
  8. Murashima Hirotsugu (8-6 Katashio-cho Yamatotakada-shi ; Nara-ken JPX), Automatic focusing circuit.
  9. Murashima Hirotsugu (Yamatotakada JPX) Maeda Satoru (Hirakata JPX) Hirano Shunji (Takatsuki JPX), Automatic focusing circuit for automatically matching focus in response to video signal.
  10. Murashima Hirotsugu (Yamatotakada JPX) Maeda Satoru (Hirakata JPX), Automatic focusing circuit using a two period detection interval to compensate for motion occurring within a field of vi.
  11. Covey Robert L. (Hightstown NJ), Automatic focussing system.
  12. Kermani, Bahram Ghaffarzadeh, Camera with configurable focus area.
  13. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Verlan, Constantin, Classification and organization of consumer digital images using workflow, and face detection and recognition.
  14. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertan, Constantin, Classification and organization of consumer digital images using workflow, and face detection and recognition.
  15. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertan, Constantin, Classification and organization of consumer digital images using workflow, and face detection and recognition.
  16. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertran, Constantin, Classification and organization of consumer digital images using workflow, and face detection and recognition.
  17. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertran, Constantin, Classification database for consumer digital images.
  18. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertran, Constantin, Classification system for consumer digital images using automatic workflow and face detection and recognition.
  19. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertran, Constantin, Classification system for consumer digital images using automatic workflow and face detection and recognition.
  20. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertran, Constantin, Classification system for consumer digital images using workflow and user interface modules, and face detection and recognition.
  21. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Ciuc, Mihai; Ciurel, Stefanita; Vertran, Constantin, Classification system for consumer digital images using workflow, face detection, normalization, and face recognition.
  22. Petrescu, Stefan; Gangea, Mihnea; Bigioi, Petronel; Pososin, Alexei; Drimbarean, Alex, Color segmentation.
  23. Neghina, Catalina; Gangea, Mihnea; Petrescu, Stefan; Bigioi, Petronel; David, Emilian; Zarakov, Eric; Steinberg, Eran, Detecting facial expressions in digital images.
  24. Neghina, Catalina; Gangea, Mihnea; Petrescu, Stefan; David, Emilian; Bigioi, Petronel; Zarakov, Eric; Steinberg, Eran, Detecting facial expressions in digital images.
  25. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel; Blonk, Leo; Gangea, Mihnea; Vertan, Constantin, Detecting orientation of digital images using face detection information.
  26. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel; Blonk, Leo; Gangea, Mihnea; Vertan, Constantin, Detecting orientation of digital images using face detection information.
  27. Steinberg, Eran; Corcoran, Peter; Bigioi, Petronel, Digital image acquisition control and correction method and apparatus.
  28. Steinberg, Eran, Digital image adjustable compression and resolution using face detection information.
  29. Steinberg, Eran, Digital image adjustable compression and resolution using face detection information.
  30. Steinberg,Eran, Digital image adjustable compression and resolution using face detection information.
  31. Steinberg,Eran, Digital image adjustable compression and resolution using face detection information.
  32. Steinberg, Eran; Bigioi, Petronel; Zamfir, Adrian; Drimbarean, Alexandru; Corcoran, Peter, Digital image enhancement with reference images.
  33. Steinberg, Eran; Bigioi, Petronel; Zamfir, Adrian; Drimbarean, Alexandru; Corcoran, Peter; Petrescu, Stefan; David, Emilian; Vertan, Constantin, Digital image enhancement with reference images.
  34. Steinberg,Eran; Corcoran,Peter, Digital image processing composition using face detection information.
  35. Corcoran, Peter; Barcovschi, Igor; Steinberg, Eran; Prilutsky, Yury; Bigioi, Petronel, Digital image processing using face detection and skin tone information.
  36. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  37. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  38. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  39. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  40. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  41. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  42. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  43. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  44. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  45. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  46. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  47. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  48. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Digital image processing using face detection information.
  49. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Zarakov, Eric; Bigioi, Petronel, Face categorization and annotation of a mobile phone contact list.
  50. Capata, Adrian; Poenaru, Vlad; Steinberg, Eran, Face detection in mid-shot digital images.
  51. Bigioi, Petronel; Costache, Gabriel; Drimbarean, Alexandru; Corcoran, Peter, Face recognition performance using additional image features.
  52. Bigioi, Petronel; Steinberg, Eran; Corcoran, Peter, Face recognition training method and apparatus.
  53. Bigioi, Petronel; Steinberg, Eran; Corcoran, Peter, Face recognition training method and apparatus.
  54. Bigioi, Petronel; Corcoran, Peter, Face recognition using face tracker classifier data.
  55. Corcoran, Peter; Costache, Gabriel N., Face recognition with combined PCA-based datasets.
  56. Steinberg, Eran; Bigioi, Petronel; Corcoran, Peter; Gangea, Mihnea; Petrescu, Stefan Mirel; Vasiliu, Andrei; Costache, Gabriel; Drimbarean, Alexandru, Face searching and detection in a digital image acquisition device.
  57. Steinberg, Eran; Bigioi, Petronel; Corcoran, Peter; Gangea, Mihnea; Petrescu, Stefan Mirel; Vasiliu, Andrei; Costache, Gabriel; Drimbarean, Alexandru, Face searching and detection in a digital image acquisition device.
  58. Steinberg, Eran; Bigioi, Petronel; Corcoran, Peter; Gangea, Mihnea; Petrescu, Stefan Mirel; Vasiliu, Andrei; Costache, Gabriel; Drimbarean, Alexandru, Face searching and detection in a digital image acquisition device.
  59. Corcoran, Peter; Steinberg, Eran; Bigioi, Petronel, Face tracking for controlling imaging parameters.
  60. Corcoran, Peter; Steinberg, Eran; Bigioi, Petronel, Face tracking for controlling imaging parameters.
  61. Corcoran, Peter; Steinberg, Eran; Bigioi, Petronel, Face tracking for controlling imaging parameters.
  62. Bigioi, Petronel; Pososin, Alexei; Gangea, Mihnea; Petrescu, Stefan; Corcoran, Peter, Face tracking in a camera processor.
  63. Ito Yujiro,JPX, Focus control method and video camera apparatus.
  64. Ito Yujiro,JPX ; Inomata Naoki,JPX ; Ikeyama Chiaki,JPX ; Kurita Susumu,JPX, Focus control method and video camera apparatus.
  65. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Foreground/background segmentation in digital images.
  66. Steinberg, Eran; Bigioi, Petronel; Zamfir, Adrian; Drimbarean, Alexandru; Corcoran, Peter; Ciuc, Mihai; Capata, Adrian, Foreground/background separation using reference images.
  67. Blonk, Leendert; Gangea, Mihnea; Corcoran, Peter, Illumination detection using classifier chains.
  68. Zamfir, Adrian; Bigioi, Petronel; Corcoran, Peter; Drimbarean, Alexandru; Steinberg, Eran, Image capture device with contemporaneous image correction mechanism.
  69. Steinberg, Eran; Bigioi, Petronel; Zamfir, Adrian; Drimbarean, Alexandru; Corcoran, Peter, Image capture device with contemporaneous reference image capture mechanism.
  70. Muramoto Tomotaka,JPX, Image pickup apparatus.
  71. Bigioi, Petronel; Corcoran, Peter; Steinberg, Eran, Image processing method and apparatus.
  72. Bigioi, Petronel; Corcoran, Peter; Steinberg, Eran, Image processing method and apparatus.
  73. Takuma Masao (Toyonaka JPX) Haruki Toshinobu (Shijonawate JPX) Kikuchi Kenichi (Osaka JPX), Image sensing apparatus having automatic focusing function of automatically matching focus in response to video signal.
  74. Takuma Masao (Toyanaka JPX) Kawakami Kiyotada (Osaka JPX), Image sensing apparatus having function of automatically matching focus and exposure in response to video signal.
  75. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Zamfir, Adrian; Nanu, Florin; Drimbarean, Alexandru, Method and apparatus for detection and correction of multiple image defects within digital images using preview or other reference images.
  76. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel; Zamfir, Adrian; Nanu, Florin; Drimbarean, Alexandru, Method and apparatus for red-eye detection using preview or other reference images.
  77. Steinberg, Eran; Corcoran, Peter; Bigioi, Petronel, Method and apparatus for selective disqualification of digital images.
  78. Costache, Gabriel; Corcoran, Peter; Mulryan, Rhys; Steinberg, Eran, Method and component for image recognition.
  79. Costache, Gabriel; Corcoran, Peter; Mulryan, Rhys; Steinberg, Eran, Method and component for image recognition.
  80. Bigioi, Petronel; Corcoran, Peter; Steinberg, Eran, Method for establishing a paired connection between media devices.
  81. Steinberg, Eran; Prilutsky, Yury; Pososin, Alexei; Bigioi, Petronel; Zamfir, Adrian; Drimbarean, Alexandru; Corcoran, Peter, Method of gathering visual meta data using a reference image.
  82. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Method of improving orientation and color balance of digital images using face detection information.
  83. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Method of improving orientation and color balance of digital images using face detection information.
  84. Steinberg,Eran; Prilutsky,Yury; Corcoran,Peter; Bigioi,Petronel, Method of improving orientation and color balance of digital images using face detection information.
  85. Petrescu, Stefan; Drimbarean, Alexandru; Corcoran, Peter, Method of making a digital camera image of a first scene with a superimposed second scene.
  86. Petrescu, Stefan; Corcoran, Peter; Drimbarean, Alexandru, Method of making a digital camera image of a scene including the camera user.
  87. Petrescu, Stefan; Corcoran, Peter; Drimbarean, Alexandru, Method of making a digital camera image of a scene including the camera user.
  88. Steinberg, Eran; Bigioi, Petronel; Prilutsky, Yury; Corcoran, Peter, Modification of post-viewing parameters for digital images using image region or feature information.
  89. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Modification of post-viewing parameters for digital images using image region or feature information.
  90. Steinberg, Eran; Corcoran, Peter; Prilutsky, Yury; Bigioi, Petronel, Modification of post-viewing parameters for digital images using region or feature information.
  91. Steinberg, Eran; Corcoran, Peter, Modification of viewing parameters for digital images using face detection information.
  92. Steinberg, Eran; Corcoran, Peter, Modification of viewing parameters for digital images using face detection information.
  93. Steinberg, Eran; Prilutsky, Yury; Corcoran, Peter; Bigioi, Petronel, Perfecting of digital image capture parameters within acquisition devices using face detection.
  94. Steinberg,Eran; Corcoran,Peter, Perfecting of digital image rendering parameters within rendering devices using face detection.
  95. Steinberg, Eran; Corcoran, Peter; Bigioi, Petronel, Perfecting the effect of flash within an image acquisition devices using face detection.
  96. Steinberg, Eran; Corcoran, Peter; Bigioi, Petronel, Perfecting the effect of flash within an image acquisition devices using face detection.
  97. Steinberg, Eran; Corcoran, Peter; Bigioi, Petronel, Perfecting the effect of flash within an image acquisition devices using face detection.
  98. Steinberg, Eran; Corcoran, Peter; Bigioi, Petronel, Perfecting the effect of flash within an image acquisition devices using face detection.
  99. Steinberg,Eran; Corcoran,Peter; Bigioi,Petronel, Perfecting the effect of flash within an image acquisition devices using face detection.
  100. Steinberg,Eran; Corcoran,Peter, Perfecting the optics within a digital image acquisition device using face detection.
  101. Corcoran, Peter; Drimbarean, Alexandru; Pososin, Alexei; Bigioi, Petronel; Steinberg, Eran; Petrescu, Stefan; Nanu, Florin, Real-time face tracking in a digital image acquisition device.
  102. Ianculescu, Mihai; Steinberg, Eran; Bigioi, Petronel; Corcoran, Peter; Gangea, Mihnea; Petrescu, Stefan, Real-time face tracking in a digital image acquisition device.
  103. Petrescu, Stefan; Corcoran, Peter; Steinberg, Eran; Bigioi, Petronel; Drimbarean, Alexandru, Real-time face tracking in a digital image acquisition device.
  104. Petrescu, Stefan; Corcoran, Peter; Steinberg, Eran; Bigioi, Petronel; Drimbarean, Alexandru, Real-time face tracking in a digital image acquisition device.
  105. Petrescu, Stefan; Corcoran, Peter; Steinberg, Eran; Bigioi, Petronel; Drimbarean, Alexandru, Real-time face tracking in a digital image acquisition device.
  106. Petrescu, Stefan; Corcoran, Peter; Steinberg, Eran; Bigioi, Petronel; Drimbarean, Alexandru, Real-time face tracking in a digital image acquisition device.
  107. Steinberg, Eran; Bigioi, Petronel; Corcoran, Peter; Pososin, Alexei; Drimbarean, Alexandru; Nanu, Florin; Petrescu, Stefan, Real-time face tracking with reference images.
  108. Steinberg, Eran; Corcoran, Peter; Bigiol, Petronel; Pososin, Alexei; Drimbarean, Alexandru; Nanu, Florin; Petrescu, Stefan, Real-time face tracking with reference images.
  109. Ionita, Mircea; Corcoran, Peter; Bacivarov, Ioana, Separating a directional lighting variability in statistical face modelling based on texture space decomposition.
  110. Ionita, Mircea; Corcoran, Peter; Bacivarov, Ioana, Separating directional lighting variability in statistical face modelling based on texture space decomposition.
  111. Binder, Yehuda, System and method for control based on face or hand gesture detection.
  112. Binder, Yehuda, System and method for control based on face or hand gesture detection.
  113. Sivan, Ishay, System and method for controlling a camera based on processing an image captured by other camera.
  114. Sivan, Ishay, System and method for controlling a camera based on processing an image captured by other camera.
  115. Segalovitz, Yair; Shoor, Omer; Lipman, Yaron; Tzemah, Nir; Verter, Natalie, System and method for detecting objects in an image.
  116. Segalovitz, Yair; Shoor, Omer; Lipman, Yaron; Tzemah, Nir; Verter, Natalie, System and method for detecting objects in an image.
  117. Segalovitz, Yair; Shoor, Omer; Lipman, Yaron; Tzemah, Nir; Verter, Natalie, System and method for detecting objects in an image.
  118. Walther Lawrence E. (Macedon NY), System which uses threshold counts to achieve automatic focus.
섹션별 컨텐츠 바로가기

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

AI-Helper 아이콘
AI-Helper
안녕하세요, AI-Helper입니다. 좌측 "선택된 텍스트"에서 텍스트를 선택하여 요약, 번역, 용어설명을 실행하세요.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.

선택된 텍스트