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[미국특허] Method for encoding a video signal using feature point based motion estimation 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-007/133
  • H04N-007/137
출원번호 US-0498554 (1995-07-05)
우선권정보 KR-0010586 (1995-04-29)
발명자 / 주소
  • Lee Min-Sup (Seoul KRX)
출원인 / 주소
  • Daewoo Electronics Co., Ltd. (Seoul KRX 03)
인용정보 피인용 횟수 : 78  인용 특허 : 0

초록 ▼

A method for adaptively selecting feature points according to motions of objects between the current frame and the previous frame, comprising the steps of: subtracting a pixel value of the previous frame from a pixel value of the current frame to thereby provide a differential pixel value; comparing

대표청구항 ▼

A method, for use in a video signal encoder, for encoding a digital video signal based on a feature point-based motion estimation technique, said digital video signal having a plurality of frames including a current frame and a previous frame, by adaptively selecting feature points according to moti

이 특허를 인용한 특허 (78) 인용/피인용 타임라인 분석

  1. Kwak Chang Min,KRX, Adaptive motion estimation method and apparatus.
    상세보기
  2. Mukerjee, Kunal; Holcomb, Thomas W., Advanced bi-directional predictive coding of interlaced video.
    상세보기
  3. Kim Jin-Hun (Seoul KRX), Apparatus for encoding a contour of an object.
    상세보기
  4. Lee Min-Sup,KRX, Apparatus for estimating motion vectors for feature points of a video signal.
    상세보기
  5. Mukerjee,Kunal; Hsu,Pohsiang, Chroma motion vector derivation.
    상세보기
  6. Holcomb,Thomas W., Chroma motion vector derivation for interlaced forward-predicted fields.
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  7. Lin,Chih Lung (Bruce); Lee,Ming Chieh, Coded block pattern decoding with spatial prediction.
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  8. Lin,Chih Lung; Lee,Ming Chieh, Coded block pattern encoding with spatial prediction.
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  9. Srinivasan, Sridhar; Hsu, Pohsiang; Holcomb, Thomas W.; Mukerjee, Kunal; Lin, Bruce Chih-Lung, Coding of motion vector information.
    상세보기
  10. Srinivasan, Sridhar; Hsu, Pohsiang; Holcomb, Thomas W.; Mukerjee, Kunal; Lin, Bruce Chih-Lung, Coding of motion vector information.
    상세보기
  11. Srinivasan, Sridhar; Hsu, Pohsiang; Holcomb, Thomas W.; Mukerjee, Kunal; Lin, Bruce Chih-Lung, Coding of motion vector information.
    상세보기
  12. Lin,Chih Lung; Lee,Ming Chieh, Decoding macroblock type and coded block pattern information.
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  13. Mukerjee, Kunal; Holcomb, Thomas W., Direct mode motion vectors for Bi-directionally predicted interlaced pictures.
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  14. Lin, Chih-Lung (Bruce); Lee, Ming-Chieh, Efficient macroblock header coding for video compression.
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  15. Lin, Chih-Lung; Lee, Ming-Chieh, Efficient macroblock header coding for video compression.
    상세보기
  16. Lin,Chih Lung (Bruce); Lee,Ming Chieh, Efficient motion vector coding for video compression.
    상세보기
  17. Lin,Chih Lung (Bruce); Lee,Ming Chieh, Efficient motion vector coding for video compression.
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  18. Lin, Chih-Lung; Lee, Ming-Chieh, Encoding macroblock type and coded block pattern information.
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  19. Srinivasan,Sridhar, Extended range motion vectors.
    상세보기
  20. Holcomb, Thomas W.; Srinivasan, Sridhar, Extended range variable length coding/decoding of differential motion vector information.
    상세보기
  21. Lee Ming-Chieh ; Gray David, Feature segmentation.
    상세보기
  22. Mukerjee, Kunal; Holcomb, Thomas W., Four motion vector coding and decoding in bi-directionally predicted interlaced pictures.
    상세보기
  23. Holcomb, Thomas W.; Hsu, Pohsiang; Lin, Chih Lung, Hybrid motion vector prediction for interlaced forward-predicted fields.
    상세보기
  24. Lee Min-Sup (Seoul KRX), Image processing apparatus using a pixel-by-pixel motion estimation based on feature points.
    상세보기
  25. Yoshino, Koichiro; Watanabe, Nobuyuki, Image processing apparatus, electronic device, image processing method, and storage medium storing image processing program.
    상세보기
  26. Lee Min-Sup (Seoul KRX), Image processing system using a feature point-based motion estimation.
    상세보기
  27. Lee Min-Sup (Seoul KRX), Image processing system using a pixel-by-pixel motion estimation based on feature points.
    상세보기
  28. Holcomb, Thomas W.; Srinivasan, Sridhar, Joint coding and decoding of a reference field selection and differential motion vector information.
    상세보기
  29. Hsu, Pohsiang; Srinivasan, Sridhar; Lin, Chih Lung; Holcomb, Thomas W., Macroblock information signaling for interlaced frames.
    상세보기
  30. Albert Szu-chi Wang ; Ming-Chieh Lee, Media coding for loss recovery with remotely predicted data units.
    상세보기
  31. Wang, Albert Szu-Chi; Lee, Ming-Chieh, Media coding for loss recovery with remotely predicted data units.
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  32. Wang, Albert Szu-Chi; Lee, Ming-Chieh, Media coding for loss recovery with remotely predicted data units.
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  33. Wang, Albert Szu-Chi; Lee, Ming-Chieh, Media coding for loss recovery with remotely predicted data units.
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  34. Wang, Albert Szu-Chi; Lee, Ming-Chieh, Media coding for loss recovery with remotely predicted data units.
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  35. Wang, Albert Szu-Chi; Lee, Ming-Chieh, Media coding for loss recovery with remotely predicted data units.
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  36. Wang, Albert Szu-chi; Lee, Ming-Chieh, Media coding for loss recovery with remotely predicted data units.
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  37. Jung Hae-Mook,KRX, Method and apparatus for detecting optimum motion vectors based on a hierarchical motion estimation approach.
    상세보기
  38. Wixson Lambert Ernest, Method and apparatus for determining ambient conditions from an image sequence, such as fog, haze or shadows.
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  39. Lee Min-Sup (Seoul KRX), Method and apparatus for encoding and decoding a video signal using feature point based motion estimation.
    상세보기
  40. Wixson Lambert Ernest, Method and apparatus for generating a reference image from an image sequence.
    상세보기
  41. Ogura Eiji,JPX, Method and apparatus for setting a search range for detecting motion vectors utilized for encoding picture data.
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  42. Pingali Sarma VGK ; Segen Jakub, Method and apparatus for tracking moving objects in real time using contours of the objects and feature paths.
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  43. Lee Min-Sup (Seoul KRX), Method for detecting motion vectors for use in a segmentation-based coding system.
    상세보기
  44. Jung Hae-Mook,KRX, Method for determining feature points based on hierarchical block searching technique.
    상세보기
  45. Lee Min-Sup (Seoul KRX), Method for encoding a video signal using feature point based motion estimation.
    상세보기
  46. Gu Chuang ; Lee Ming-Chieh ; Chen Wei-ge, Method for generating sprites for object-based coding sytems using masks and rounding average.
    상세보기
  47. Burns Ronnie R., Methods and systems for high compression rate encoding and decoding of quasi-stable objects in video and film.
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  48. Holcomb, Thomas W.; Hsu, Pohsiang; Srinivasan, Sridhar; Lin, Chih Lung, Motion vector block pattern coding and decoding.
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  49. Takada, Jun, Motion vector detection device.
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  50. Mukerjee, Kunal; Holcomb, Thomas W., Motion vector prediction in bi-directionally predicted interlaced field-coded pictures.
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  51. Srinivasan, Sridhar; Tu, Chengjie; Regunathan, Shankar, Non-zero coefficient block pattern coding.
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  52. Holcomb, Thomas W., Number of reference fields for an interlaced forward-predicted field.
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  53. Lee Ming-Chieh ; Powell ; III William Chambers, Object-based video compression process employing arbitrarily-shaped features.
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  54. Lin Chih-lung Bruce ; Lee Ming-Chieh ; Chen Wei-ge, Overlapped motion compensation for object coding.
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  59. Lin, Chih-Lung; Lee, Ming-Chieh, Predictive image compression using a single variable length code for both the luminance and chrominance blocks for each macroblock.
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  60. Gu,Chuang; Lee,Ming Chieh, Region extraction in vector images.
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  61. Holcomb, Thomas W., Selecting between dominant and non-dominant motion vector predictor polarities.
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  62. Ming-Chieh Lee ; Chuang Gu, Semantic video object segmentation and tracking.
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  63. Holcomb, Thomas W.; Hsu, Pohsiang; Srinivasan, Sridhar; Lin, Chih Lung, Signaling macroblock mode information for macroblocks of interlaced forward-predicted fields.
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  64. Srinivasan, Sridhar; Hsu, Pohsiang, Skip macroblock coding.
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  73. Gu,Chuang; Lee,Ming Chieh, Tracking semantic objects in vector image sequences.
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  74. Lee Ming-Chieh ; Chen Wei-ge, Transform coding of dense motion vector fields for frame and object based video coding applications.
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  75. Lin, Chih-Lung; Xia, Minghui; Hsu, Pohsiang; Regunathan, Shankar; Holcomb, Thomas W., Use of frame caching to improve packet loss recovery.
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  76. Lin, Chih-Lung; Xia, Minghui; Hsu, Pohsiang; Regunathan, Shankar; Holcomb, Thomas W., Use of frame caching to improve packet loss recovery.
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