140 likes | 274 Views
Rapid Image Completion System Using Multiresolution Patch-Based Directional and Nondirectional Approaches. Chih-Wei Fang and Jenn-Jier James Lien , Member, IEEE. I. INTRODUCTION. Removing these objects from the foreground leaves holes in the photograph * Training process
E N D
Rapid Image Completion System UsingMultiresolution Patch-Based Directionaland Nondirectional Approaches Chih-Wei Fang and Jenn-Jier James Lien, Member, IEEE
I.INTRODUCTION Removing these objects from the foreground leaves holes in the photograph * Training process * Image completion process
II. TRAINING PROCESS A. Multiresolution Preprocessing • The background regions in each image are denoted as and are defined as • The foreground Fi regions are defined as L : down-sampled times αi : inverse mattes (1 or 0)
II. TRAINING PROCESS B. Patch-Based Eigenspace Creation Based on Total M O-shape Patterns Associated With Levels 1 to L K = 2ω ( Wp + Hp ) – 4ω ×ω
II. TRAINING PROCESS B. Patch-Based Eigenspace Creation Based on Total M O-shape Patterns Associated With Levels 1 to L 2009/12/16 5
II. TRAINING PROCESS B. Patch-Based Eigenspace Creation Based on Total M O-shape Patterns Associated With Levels 1 to L 2009/12/16 6
II. TRAINING PROCESS C. Weight Vector Creation by Projecting Corresponding O-Shape Pattern Onto First N Eigenvectors P : k -dimensional O-shape pattern vector O ( O = ( O1,O2….Ok ) )轉置 2009/12/16 7
III. REPLACED A. Level L: Synthesis Value Initialization • the composite image Ci Ii is the original image Ii is the synthesized image.
III. REPLACED • B. Levels L-1 to 0 : HMDV V for Directional and Nondirectional Image Completion Processes • The Hessian matrix decision value (HMDV) V : ε = 0.0001 λ: Hessian matrix
1) Level L-1 : Directional Image Completion Process for Synthesis of Texture Structure (>= threshold) 2) Levels L-1 to 1: Nondirectional Image Completion Process for Synthesis of Detailed Features III. REPLACED • B. Levels L-1 to 0 : HMDV for Directional and Nondirectional Image Completion Processes 2009/12/16 10
IV. RESULT . 2009/12/16 13