JP4435145B2 - 幾何情報を校正してパノラマ映像を提供する方法および装置 - Google Patents
幾何情報を校正してパノラマ映像を提供する方法および装置 Download PDFInfo
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- JP4435145B2 JP4435145B2 JP2006349715A JP2006349715A JP4435145B2 JP 4435145 B2 JP4435145 B2 JP 4435145B2 JP 2006349715 A JP2006349715 A JP 2006349715A JP 2006349715 A JP2006349715 A JP 2006349715A JP 4435145 B2 JP4435145 B2 JP 4435145B2
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- 238000000034 method Methods 0.000 title claims description 42
- 239000011159 matrix material Substances 0.000 claims description 83
- 239000013598 vector Substances 0.000 claims description 70
- 230000009466 transformation Effects 0.000 claims description 26
- 238000004364 calculation method Methods 0.000 claims description 10
- 210000001525 retina Anatomy 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 230000002207 retinal effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 4
- 229920001690 polydopamine Polymers 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
- H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4038—Image mosaicing, e.g. composing plane images from plane sub-images
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/80—Geometric correction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/61—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
Description
910 ティルティング前の映像イメージ平面
920 ティルティング後の映像イメージ平面
1100 ワーピング装置
Claims (5)
- カメラで撮影した複数のピクセルに対するソースイメージおよび各ピクセルの位置ベクトルを受信する段階と、
前記ソースイメージの平面方向に傾斜した角度、深さ方向に湾曲した角度、前記カメラのパラメータ行列、および位置校正行列に基づいて前記ソースイメージの位置ベクトルをティルティングさせるための変換行列を生成する段階と、
前記変換行列から前記ソースイメージの位置ベクトルに対するティルティングベクトルを得て、前記ソースイメージを前記ティルティングベクトルに位置させ、幾何学的にティルティングさせる段階と、
前記ソースイメージまたは前記ティルティングされたイメージに対するサイズとイメージのFOV、および前記カメラのパラメータ行列に基づいてワーピングベクトルを得る段階と、
前記ソースイメージまたは前記ティルティングされたイメージを前記ワーピングベクトルに位置させて幾何学的にワーピングさせる段階と、を含むパノラマ映像を提供する方法であって、
前記ワーピングベクトルの計算は、
前記ワーピングのための入力イメージの幅およびFOVからワーピングされたイメージの幅を計算する段階と、
前記イメージサイズから一定行に対する最左側のピクセルの角度と最右側ピクセルの角度を求める段階と、
前記カメラのパラメータ行列からその逆行列を計算する段階と、
前記カメラのパラメータ行列の逆行列と前記ワーピングのための入力イメージの位置ベクトルに基づいたベクトルを掛ける段階と、
前記乗算結果の一つの元素値からソースピクセルの角度を計算する段階と、
前記ワーピングされたイメージ幅と前記一定行に対する最左側のピクセルの角度と最右側ピクセルの角度を用いて前記ソースピクセルの角度から前記ワーピングベクトルの一つの座標値を決定する段階と、
前記乗算結果の元素値に基づいて前記ワーピングベクトルの他の座標値を決定する段階と、を含むことを特徴とするパノラマ映像を提供する方法。 - カメラで撮影した複数のピクセルに対するソースイメージおよび各ピクセルの位置ベクトルを受信する段階と、
前記ソースイメージの平面方向に傾斜した角度、深さ方向に湾曲した角度、前記カメラのパラメータ行列、および位置校正行列に基づいて前記ソースイメージの位置ベクトルをティルティングさせるための変換行列を生成する段階と、
前記変換行列から前記ソースイメージの位置ベクトルに対するティルティングベクトルを得て、前記ソースイメージを前記ティルティングベクトルに位置させ、幾何学的にティルティングさせる段階と、
前記ソースイメージまたは前記ティルティングされたイメージに対するサイズとイメージのFOV、および前記カメラのパラメータ行列に基づいてワーピングベクトルを得る段階と、
前記ソースイメージまたは前記ティルティングされたイメージを前記ワーピングベクトルに位置させて幾何学的にワーピングさせる段階と、を含むパノラマ映像を提供する方法であって、
前記ワーピングベクトルは、
数学式
によって決定されることを特徴とするパノラマ映像を提供する方法。 - 前記ワーピングされたイメージの幅計算のための前記二つのピクセル位置は、前記入力イメージの中心ピクセルと前記中心ピクセルに水平で隣合うピクセルであることを特徴とする請求項1に記載のパノラマ映像を提供する方法。
- 前記最左側のピクセルの角度と前記最右側ピクセルの角度を求めるための前記一定行は、前記入力イメージの中心行であることを特徴とする請求項1に記載のパノラマ映像を提供する方法。
- 請求項1ないし4のいずれか一項の方法を実行するためのプログラムが記録されていることを特徴とするコンピュータで読み取り可能な記録媒体。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060002169A KR100653200B1 (ko) | 2006-01-09 | 2006-01-09 | 기하 정보를 교정하여 파노라마 영상을 제공하는 방법 및장치 |
Publications (2)
Publication Number | Publication Date |
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JP2007183948A JP2007183948A (ja) | 2007-07-19 |
JP4435145B2 true JP4435145B2 (ja) | 2010-03-17 |
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JP2006349715A Expired - Fee Related JP4435145B2 (ja) | 2006-01-09 | 2006-12-26 | 幾何情報を校正してパノラマ映像を提供する方法および装置 |
Country Status (3)
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US (1) | US7899270B2 (ja) |
JP (1) | JP4435145B2 (ja) |
KR (1) | KR100653200B1 (ja) |
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- 2006-01-09 KR KR1020060002169A patent/KR100653200B1/ko active IP Right Grant
- 2006-10-17 US US11/581,401 patent/US7899270B2/en not_active Expired - Fee Related
- 2006-12-26 JP JP2006349715A patent/JP4435145B2/ja not_active Expired - Fee Related
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Publication number | Publication date |
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JP2007183948A (ja) | 2007-07-19 |
KR100653200B1 (ko) | 2006-12-05 |
US20070159527A1 (en) | 2007-07-12 |
US7899270B2 (en) | 2011-03-01 |
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