Digital image interpolation in Matlab / Chi-Wah Kok, Wing-Shan Tam.

Format:

• Book

Author/Creator:

• Kok, Chi-Wah, author.
• Tam, Wing-Shan, author.

Contributor:

• Wiley InterScience (Online service)

Language:

English

Subjects (All):

• MATLAB.
• Image processing--Digital techniques--Data processing.
• Interpolation.
• Image processing--Digital techniques.

Physical Description:

• 1 online resource
• polychrome

Place of Publication:

Hoboken, NJ : John Wiley & Sons, Inc., 2019.

System Details:

text file

Contents:

• 1 Signal Sampling p. 1
• 1.1 Sampling and Bandlimited Signal p. 1
• 1.2 Unitary Transform p. 4
• 1.2.1 Discrete Fourier Transform p. 4
• 1.3 Quantization p. 5
• 1.3.1 Quantization and Sampling Interaction p. 7
• 1.4 Sampled Function Approximation: Fitting and Interpolation p. 8
• 1.4.1 Zero-Order Hold (ZOH) p. 10
• 1.4.2 First-Order Hold (FOH) p. 10
• 1.4.3 Digital Interpolation p. 12
• 2 Digital Image p. 17
• 2.1 Digital Imaging in MATLAB p. 21
• 2.2 Current Pixel and Neighboring Pixels p. 23
• 2.3 Frequency Domain p. 24
• 2.3.1 Transform Kernel p. 28
• 2.4 2D Filtering p. 28
• 2.4.1 Boundary Extension and Cropping p. 30
• 2.4.1.1 Constant Extension p. 31
• 2.4.1.2 Periodic Extension p. 31
• 2.4.1.3 Symmetric Extension p. 32
• 2.4.1.4 Infinite Extension p. 32
• 2.4.1.5 Cropping p. 33
• 2.5 Edge Extraction p. 34
• 2.5.1 First-Order Derivative Edge Detection Operators p. 36
• 2.5.1.1 Sobel Operator p. 37
• 2.5.2 Second-Order Derivative and Zero-Crossing Edge Detector p. 40
• 2.5.2.1 Laplacian Operator p. 41
• 2.5.2.2 Gaussian Smoothing p. 42
• 2.6 Geometric Transformation p. 45
• 2.6.3 Scaling p. 47
• 2.6.4 Rotation p. 49
• 2.6.5 Affine Transformation p. 50
• 2.7 Resize an Image p. 51
• 2.7.1 Interpolation p. 51
• 2.7.2 Decimation p. 54
• 2.7.2.1 Direct Subsampling p. 55
• 2.7.2.2 Sine Filter p. 55
• 2.7.2.3 Block Averaging p. 56
• 2.7.3 Built-in Image Resizing Function in MATLAB p. 57
• 2.8 Color Image p. 58
• 2.8.1 Color Filter Array and Demosaicing p. 60
• 2.8.2 Perceptual Color Space p. 60
• 2.9 Noise p. 62
• 2.9.1 Rank Order Filtering p. 65
• 2.9.2 Smoothing Filtering p. 65
• 3 Image Quality p. 71
• 3.1 Image Features and Artifacts p. 72
• 3.1.1 Aliasing (Jaggy) p. 73
• 3.1.2 Smoothing (Blurring) p. 74
• 3.1.3 Edge Halo p. 74
• 3.1.4 Ringing p. 75
• 3.1.5 Blocking p. 75
• 3.2 Objective Quality Measure p. 75
• 3.2.1 Mean Squares Error p. 77
• 3.2.2 Peak Signal-to-Noise Ratio p. 78
• 3.2.3 Edge PSNR p. 79
• 3.3 Structural Similarity p. 81
• 3.3.1 Luminance p. 83
• 3.3.2 Contrast p. 84
• 3.3.3 Structural p. 84
• 3.3.4 Sensitivity of SSIM p. 85
• 3.3.4.1 K₁ Sensitivity p. 85
• 3.3.4.2 K₂ Sensitivity p. 86
• 4 Nonadaptive Interpolation p. 91
• 4.1 Image Interpolation: Overture p. 92
• 4.1.1 Interpolation Kernel Characteristics p. 94
• 4.1.2 Nearest Neighbor p. 94
• 4.1.3 Bilinear p. 98
• 4.1.4 Bicubic p. 103
• 4.2 Frequency Domain Analysis p. 110
• 4.3 Mystery of Order p. 111
• 4.4 Application: Affine Transformation p. 113
• 4.4.1 Structural Integrity p. 116
• 5 Transform Domain p. 123
• 5.1 DFT Zero Padding Interpolation p. 125
• 5.2 Discrete Cosine Transform p. 132
• 5.2.1 DCT Zero Padding Interpolation p. 134
• 5.3 DCT Zero Padding Image Interpolation p. 138
• 5.3.1 Blocked Transform p. 138
• 5.3.2 Block-Based DCT Zero Padding Interpolation p. 140
• 5.3.2.1 Does Kernel Size Matter p. 142
• 5.4 Overlapping p. 144
• 5.5 Multi-Kernels p. 149
• 5.5.1 Extendible Inverse DCT p. 149
• 5.6 Iterative Error Correction p. 152
• 6 Wavelet p. 161
• 6.1 Wavelet Analysis p. 162
• 6.1.1 Perfect Reconstruction p. 163
• 6.1.2 Multi-resolution Analysis p. 164
• 6.1.3 2D Wavelet Transform p. 166
• 6.2 Wavelet Image Interpolation p. 168
• 6.2.1 Zero Padding p. 168
• 6.2.2 Multi-resolution Subband Image Estimation p. 170
• 6.2.3 Holder Regularity p. 176
• 6.2.3.1 Local Regularity-Preserving Problems p. 177
• 6.3 Cycle Spinning p. 179
• 6.3.1 Zero Padding (WZP-CS) p. 179
• 6.3.2 High Frequency Subband Estimation (WLR-CS) p. 181
• 6.4 Error Correction p. 184
• 6.5 Which Wavelets to Use p. 186
• 7 Edge-Directed Interpolation p. 191
• 7.1 Explicit Edge-Directed Interpolation p. 193
• 7.2 Implicit Edge-Directed Interpolation p. 196
• 7.2.1 Canny Edge Interpolation (CEI) p. 197
• 7.2.2 Edge-Based Line Averaging (ELA) p. 198
• 7.2.3 Directional-Orientation Interpolation (DOI) p. 199
• 7.2.4 Error-Amended Sharp Edge (EASE) p. 201
• 8 Covarianee-Based Interpolation p. 211
• 8.1 Modeling of Image Features p. 212
• 8.2 Interpolation by Autoregression p. 213
• 8.3 New Edge-Directed Interpolation (NEDI) p. 215
• 8.3.1 Type 0 Estimation p. 220
• 8.3.2 Type 1 Estimation p. 222
• 8.3.3 Type 2 Estimation p. 223
• 8.3.4 Pixel Intensity Correction p. 225
• 8.3.5 MATLAB Implementation p. 226
• 8.4 Boundary Extension p. 228
• 8.5 Threshold Selection p. 231
• 8.6 Error Propagation Mitigation p. 233
• 8.7 Covariance Window Adaptation p. 238
• 8.7.1 Prediction Window Adaptation p. 239
• 8.7.2 Mean Covariance Window Adaptation p. 241
• 8.7.3 Enhanced Modified Edge-Directed Interpolation (EMEDI) p. 242
• 8.8 Iterative Covariance Correction p. 249
• 8.8.1 iMEDI Implementation p. 255
• 9 Partitioned Fractal Interpolation p. 263
• 9.1 Iterated Function System p. 264
• 9.1.1 Banach Fixed-Point Theorem p. 264
• 9.2 Partitioned Iterative Function System p. 266
• 9.3 Encoding p. 269
• 93.1 Range Block Partition p. 269
• 9.3.2 Domain Block Partition p. 270
• 9.3.3 Codebook Generation p. 271
• 9.3.4 Grayscale Scaling p. 274
• 9.3.5 Fractal Encoding Implementation p. 276
• 9.4 Decoding p. 277
• 9.4.1 Does Size Matter p. 281
• 9.5 Decoding with Interpolation p. 283
• 9.5.1 From Fitting to Interpolation p. 285
• 9.6 Overlapping p. 287.

Notes:

• Includes bibliographical references and index.
• Electronic reproduction. Hoboken, N.J. Available via World Wide Web.
• Description based on online resource; title from digital title page (viewed on March 11, 2019).

Other Format:

Print version: Kok, Chi-Wah, author. Digital image interpolation in Matlab

ISBN:

• 9781119119630
• 1119119634
• 9781119119623
• 1119119626
• 9781119119647
• 1119119642

Publisher Number:

99983874449

Access Restriction:

Restricted for use by site license.