コンピュータアニメーション画像の可逆ハイブリット符号化法
スポンサーリンク
概要
- 論文の詳細を見る
アニメ画像は, 自然画像と異なる特徴と持っている, すなわち動いている対象物体, 人物, 動物などでは色数が少ない.また, ノイズがなく同色領域も多く, 規則的な輪郭線もある.それに対して背景にはフルカラーの領域が多く存在する.従来のアニメ画像圧縮手法として, 単純なストラクチャランレングス符号化があるが, フルカラーの背景を効率良く圧縮できない.また, 単純な予測DPCM符号化を用いて, 色数が少ない部分(人物など)を圧縮すると効率が低いという問題があった.そこで本論文では, アニメ画像の特徴を利用して, 高能率のロスレスハイブリッド符号化法を提案する.本提案手法は, ストラクチャランレングス符号化の基本手法と予測DPCMを併用し, 従来の手法における低圧縮率の問題を解消した.また, ストラクチャランレングス符号化の周辺画素のサーチ手法によって, 元の画像を記号データと色データに変換し, 周辺画素の記号によって, 適応予測DPCMを色データに適用するか否かを決定している.そして, 変換後の各データに対して, エントロピー符号化を行っている.従来の手法と比較した結果, エントロピーが適応DPCM符号化より, 平均的に1b/pxiel, 単純なストラクチャランレングス符号化より, 最大5b/pixel下がることが明らかとなった.
- 1996-10-20
著者
-
Liu Y
Tokyo Inst. Technol. Yokohama Jpn
-
Liu Yu
Graduate School Of Information Science And Engineering Tokyo Institute Of Technology
-
Nakajima Masayuki
Graduate School Of Information And Engineering Tokyo Institute Of Technology
-
Liu Yu
Graduate School Of Information Science & Engineering Tokyo Institute Of Technology
関連論文
- D-11-38 Oriental Brush Stroke Synthesis with Dynamic Programming
- D-12-125 Pose recognition of hand scans using prototypes
- PERSONAL SPACE-BASED MODELING OF RELATIONSHIPS BETWEEN PEOPLE FOR NEW HUMAN-COMPUTER INTERACTION(International Workshop on Advanced Image Technology 2009)
- A-15-23 Tongue Detection from Video for Human-Computer Interaction
- Sketch-Based Evaluation of Image Segmentation Methods(Advanced Image Technology)
- D-12-30 Morphological Scale Space based Color Segmentation
- SKETCH-BASED FINE-TUNING OF IMAGE SEGMENTATION METHODS(International Workshop on Advanced Image Technology 2006)
- A Multiscale Decomposition of Point-sampled 3D Objects
- D-8-6 Virtual Vision System for Autonomous Agents(D-8. 人工知能と知識処理, 情報・システム1)
- D-12-135 A Scale-space Approach for Features of Intermediate Complexity Detection from Point-sampled 3D Objects(D-12. パターン認識・メディア理解, 情報・システム2)
- Color Transfer between Images Based on Basic Color Category(Image Processing, Image Pattern Recognition)
- Generation of Inter Slices Medical Images based on Snake Model and Elastic Body Spline
- Scale-Space Processing of Point-Sampled Geometry for Efficient 3D Object Segmentation(Cyberworlds)
- SCALE-SPACE FRAMEWORK FOR EFFICIENT SEGMENTATION OF POINT-SAMPLED GEOMETRY(International Workshop on Advanced Image Technology 2005)
- A Study on View-Dependent Line Rendering (マルチメディア情報処理,映像表現,ネットワーク映像メディア,画像情報システム第3回International Workshop on Advanced Image Technology(IWAIT2001))
- HOLOGRAM WORKS ON DEFORMABLE OBJECTS : CONTOUR EXTRACTION OF A SOAP BUBBLE FROM AN IMAGE (Computer Graphics and Display/Broadcast System)(International Workshop On Advanced Image Technology (IWAIT2004))
- A Method of Rendering Scenes Including Volumetric Objects Using Ray-Volume Buffers : Expansion to Perspective Projection (Computer Graphics and Display/Broadcast System)(International Workshop On Advanced Image Technology (IWAIT2004))
- A Framework for 2D Image-Based Visual Stereo Image Generation
- 3) Region Classification and Image Compression Based on Region-Based Prediction (RBP) Model([マルチメディア情報処理研究会映像表現研究会ネットワ-ク映像メディア研究会画像情報システム研究会]合同)
- Region Classification and Image Compression Based on Region-Based Prediction (RBP) Model
- Region Classification and Image Compression Based on Region-Based Prediction (RBP) Model
- SPHERICAL WAVELET DESCRIPTORS FOR CONTENT BASED 3D MODEL RETRIEVAL(International Workshop on Advanced Image Technology 2006)
- D-12-156 (D-12. パターン認識・メディア理解B)
- レンジデータからの3次元物体の再構成と表現のためのRadial Basis Functionに基づいた手法
- Boundary Constraints based Implicit Representation and Reconstruction of Complex 3D Objects
- D-12-88 A Polygon-free based Approach for 3D Shape Transformation
- A RADIAL BASIS FUNCTION BASED APPROACH FOR 3D OBJECT MODELING AND RECONSTRUCTION
- Motion Belts : Visualization of Human Motion Data on a Timeline
- D-12-103 Single View Part Based Modeling from Sketches
- D-12-44 Modeling using Principal Directions of Curvature
- Query-by-Sketch Based Image Synthesis
- Estimation of Skull & Cortex surface from the Scalp boundary.
- 実写画像からの動き抽出によるバーチャルフィッシュのアニメーション合成(3次元映像情報メディア技術)
- 極分解補間を用いた線形フラクタル形状のアニメーション(論文 3次元映像情報メディア技術)
- コンピュータアニメーション画像の可逆ハイブリット符号化法
- A Case Study on Design and Implementation of The Mobile Virtual Environments
- A-16-45 A Design of Mobile Virtual Environments
- Garment Drape Image Simulation By Using Gabor Wavelets (Computer Graphics/Vision I)(International Workshop On Advanced Image Technology (IWAIT2004))
- A New Method for Fabric Buckling Visualization Based on Gabor Wavelets
- Simulation of Human Facial Aging and Skin Senility (マルチメディア情報処理 映像表現 ネットワーク映像メディア 画像情報システム--第4回 Interntionl Workshop on Advanced Image Technology(IWAIT2002))
- Simulation of Human Facial Aging and Skin Senility
- A-15-8 A New Virtual Interface Device for the Foot Motion Sensing CAVE
- D-6-11 Real Time Virtual Interface For Walking on CAVE
- D-12-13 Image Indexing using Color Blobs
- Color Blobs based Image Categorization for mobile devices
- D-12-12 Contents Classification in a Mobile Environment : Image Categorization using Color Blobs
- Compression of Animation Using Structure Runlength Coding
- Compression of Animation Using Structure Runlength Coding
- セントロイドに基づいた2次元Shape Blending
- Object Color Spectra Database Socs and Its Visualization Software-Socs Viewer (マルチメディア情報処理,映像表現,ネットワーク映像メディア,画像情報システム第3回International Workshop on Advanced Image Technology(IWAIT2001))
- Visualization Software for Spectral Database SOCS
- D-12-57 Evaluation and Comparison of Different Region Extraction Methods to Enhance Pixel-Based Skin Detection(D-12. パターン認識・メディア理解, 情報・システム2)
- 15-1 Polar Decomposition Interpolations for Linear Fractal Metamorphosis
- Petri Net Modeling Methods For Generating Self-Similar Fractal Images
- COLOR BLOBS-BASED IMAGE RETRIEVAL IN BROAD DOMAINS(International Workshop on Advanced Image Technology 2005)
- The expression of estrogen receptor and several angiogenesis factors in hemangioma and vascular malformation(THE SIXTH JAPAN-CHINA JOINT SEMINAR ON HISTOCHEMISTRY AND CYTOCHEMISTRY)
- A Novel 3-D Visualization Algorithm for Rendering Fractal Patterns (マルチメディア情報処理 映像表現 ネットワーク映像メディア 画像情報システム--第4回 Interntionl Workshop on Advanced Image Technology(IWAIT2002))
- Visible Volume Buffer for Efficient Hair Expression and Shadow Generation (特集 グラフィクスと画像コンテンツ生成の新展開) -- (フォトリアリスティックレンダリング)
- 15-2 Image Metamorphosis for Inter Slice Interpolation of Medical Images
- Semiautomatic 3D Virtual Fish Modeling based on 2D Texture
- Visual Stereo Image Generation Based on Phase Correlation
- 透視変換における幾何学的不変量を用いたバーチャルスタジオのためのカメラパラメータの抽出(論文 3次元映像情報メディア技術)
- Extraction of Camera Parameters Using Projective Invariance for Virtual Studio
- COLLISION-FREE VIRTUAL NAVIGATION USING VIEWPOINT SPECIFIC DEPTH INFORMATION
- THE FIRST STUDY OF ASTHENOPIA AFTER WATCHING STEREOSCOPIC IMAGES(International Workshop on Advanced Image Technology 2005)
- WARAJI : FOOT-DRIVEN NAVIGATION INTERFACES FOR VIRTUAL REALITY APPLICATIONS ON CAVE(International Workshop on Advanced Image Technology 2005)
- Image-based Daylight Simulation : Sunrise to Sunset Simulation
- Using Image-Based Daylight Simulation Technique to Accelerate Computer Graphics Rendering Process
- Image-based Building Shadow Generation by Shape from Shadow Silhouette Technique (論文小特集 映像情報の検索技術と編集処理)
- A-15-6 A Novel Approach for Detection of Position of the Tongue in a Frontal View
- On-line Recognition of Cursive Hangul by DP Matching with Structural Information
- 数画像からの3次元ヘアモデルの生成(VRを支える映像情報メディア技術)
- Histogram-based Hair Rendering
- Hair Rendering by Pseudo Shadow
- 2次元画像からのヘアモデルの生成(VRを支える映像情報メディア技術)
- スペクトルデータベースを用いた昼光色の色温度シミュレーション(カラーマネジメントおよび色彩工学)
- Generation of Inter Slices Medical Images based on Snake Model and Elastic Body Spline
- Image Morphing by using Thin Plate Spline Transformation and Snake Model
- Image Morphing by using Thin Plate Spline Transformation and Snake Model
- Image Metamorphosis based on Elastic Body Spline and Snake Model
- Group Theory Mathematical Approach for Generating Islamic Symmetric Patterns
- Extraction of Camera Parameters Using Projective Invariance for Virtual Studio
- Non-Linear Image Registration : Combining Viscous Fluid Deformations and Elastic Body Splines
- Inverse Photon Tracing for Interactive Global Illumination
- Spatio-temporal Prefiltering Scheme Based on Anisotropic Diffusion in Low Bitrate Video Coding (Image Processing and Coding)(International Workshop On Advanced Image Technology (IWAIT2004))
- An Enhanced Facial Recognition Considering Aging Based on Computational Neural Networks(International Workshop on Advanced Image Technology 2005)
- Box-Neighbor Correlation Technique For Estimating Hausdorff Dimension of Chaotic Attractors
- EFFECT OF FRAME DELAY ON STEREOSCOPIC VISION USING MOVING PICTURES (Computer Graphics and Display/Broadcast System)(International Workshop On Advanced Image Technology (IWAIT2004))
- K-Means Algorithm Using Texture Directionality for Natural Image Segmentation
- Collision-Free Virtual Navigation Using Viewpoint Specific Depth Information (マルチメディア情報処理 映像表現 ネットワーク映像メディア 画像情報システム--第4回 Interntionl Workshop on Advanced Image Technology(IWAIT2002))
- A New Skin Detector for Different Color Spaces(International Workshop on Advanced Image Technology 2005)
- A NOVEL 3-D VISUALIZATION ALGORITHM FOR RENDERING FRACTAL PATTERNS
- COLOR IMAGE SEGMENTATION USING REGION GROWING BASED ON NEIGHBOURING REGION FEATURES
- ANIMATION DETABASE SYSTEM AND ITS TOOLS FOR PRODUCTION
- A NEURO FUZZY CLASSIFIER FOR KARYOTYPING UNREFINED CHROMOSOME DATA(International Workshop on Advanced Image Technology 2005)
- K-Means Algorithm Using Texture Directionality for Natural Image Segmentation
- Text Image Enhancemanet in Scenery Images for Degraded Character Recognition
- EFFECT OF FRAME DELAY ON STEREOSCOPIC VISION : Relationship between Frame Delay and Combinations of Movements of an Object(International Workshop on Advanced Image Technology 2005)
- Color Image Segmentation Using Region Growing based on Neighbouring region Features (マルチメディア情報処理,映像表現,ネットワーク映像メディア,画像情報システム 第4回International Workshop on Advanced Image Technology (IWAIT2002))
- Visual text entry based on Morse code generated with tongue gestures (ビジュアルコンピューティング論文特集号)