>Image Processing and Analysis

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Image Processing and Analysis

Image Transformation

Exams

GATE GE

Subjects

Image Processing and Analysis

Topics

Image Transformation
2D Convolution of Small Kernels
Color Models
Contrast stretching (radiometric enhancement)
Convolution Theorem (Spatial-Frequency Domain)
DFT-based convolution and aliasing
Data Quantization and Processing
Digital Image Fundamentals - Grey Levels and Storage
Digital Image Processing
Histogram Equalization
Image Enhancement
Image Segmentation and Classification
Image resampling (bilinear and cubic convolution)
Intensity transformations (negative, threshold, log, power law)
Linear vs Non-linear Raster/Spatial Operations
Pixel Adjacency / m-Adjacency and Connectivity
Radiometric and Geometric Corrections
Spatial Filtering - Mean Filter
Spatial filtering (Laplacian mask)

List of top Image Processing and Analysis Questions on Image Transformation

Band ratio in satellite images interpretation is applied to

GATE GE - 2022
GATE GE
Image Processing and Analysis
Image Transformation

The decorrelation stretch enhances colour differences and removes inter-band __________________.

GATE GE - 2022
GATE GE
Image Processing and Analysis
Image Transformation

In case of Principal Component Analysis (PCA), the variance of a single variable expresses the spread of its values about the

GATE GE - 2022
GATE GE
Image Processing and Analysis
Image Transformation

In a Landsat-8 scene, digital number (DN) values of a pixel in band-4, band-5 and band-10 are 80, 100 and 30, respectively. What would be the NDVI value for the same pixel (round off to 3 decimal places)?

GATE GE - 2022
GATE GE
Image Processing and Analysis
Image Transformation

In a covariance matrix, the main diagonal shows the __________________ of each band.

GATE GE - 2022
GATE GE
Image Processing and Analysis
Image Transformation