tailieunhanh - Digital Image Processing: What is a digital image? - Duong Anh Duc

Digital Image Processing: What is a digital image? - Duong Anh Duc helps you know what is a digital image? Important steps in a typical image processing system; Image Processing and Analysis Transformations; Some Image Processing Examples - Gamma-Ray Imaging; Contrast Enhancement radiography. | 5/14/2020 4:35:03 AM Duong Anh Duc - Digital Image Processing Digital Image Processing What is a digital image? 5/14/2020 4:35:03 AM Duong Anh Duc - Digital Image Processing What is a digital image? What is an image? Picture, Photograph Visual data Usually two- or three-dimensional What is a digital image? An image which is “discretized,” ., defined on a discrete grid (ex. scanner) Two-dimensional collection of light intensity values (or gray values) Matrix, two-dimensional function 5/14/2020 4:35:03 AM Duong Anh Duc - Digital Image Processing What is digital image processing? What is digital image processing? Digital image processing deals with the manipulation and analysis of pictures by a computer. Improve pictorial information for better clarity (human interpretation). Automatic machine processing of scene data (interpretation by a machine/non-human, storage, transmission). 5/14/2020 4:35:03 AM Duong Anh Duc - Digital Image Processing Important steps in a . | 5/14/2020 5:31:14 AM Duong Anh Duc - Digital Image Processing Digital Image Processing What is a digital image? 5/14/2020 5:31:14 AM Duong Anh Duc - Digital Image Processing What is a digital image? What is an image? Picture, Photograph Visual data Usually two- or three-dimensional What is a digital image? An image which is “discretized,” ., defined on a discrete grid (ex. scanner) Two-dimensional collection of light intensity values (or gray values) Matrix, two-dimensional function 5/14/2020 5:31:14 AM Duong Anh Duc - Digital Image Processing What is digital image processing? What is digital image processing? Digital image processing deals with the manipulation and analysis of pictures by a computer. Improve pictorial information for better clarity (human interpretation). Automatic machine processing of scene data (interpretation by a machine/non-human, storage, transmission). 5/14/2020 5:31:14 AM Duong Anh Duc - Digital Image Processing Important steps in a typical image processing system Image Acquisition Discretization/Digitization Quantization Compression Image enhancement and restoration Image Segmentation Feature Selection Image Representation Image Interpretation Partition image into objects or constituent parts Extracting pertinent features (or descriptors) from an image that are important for differentiating one class of objects from another Assigning labels to an object based on information provided by descriptors Assigning meaning to an ensemble of recognized objects Capturing visual data by an imaging sensor Convert data into discrete form Compress for efficient storage/transmission Improving image quality (low contrast, blur, noise) 5/14/2020 5:31:14 AM Duong Anh Duc - Digital Image Processing Image Processing and Analysis Transformations Level 0: Image representation (acquisition, sampling, quantization, compression) Level 1: Image-to-image transformations (enhancement, restoration, segmentation) Level 2: Image-to-parameter .

• Đồ họa - Thiết kế - Flash
• Digital Image Processing
• What is a digital image
• Important steps in a typical image
• Image Processing
• Analysis Transformations
• Gamma Ray Imaging
• Image segmentation
• Lecture Digital image processing
• Digital images
• Digital computers
• Local processing
• Global processing
• Morphological image processing
• Autonomous machine applications
• Region growing
• Image digitization
• Theory of sampling
• Image transformation
• Image enhancement
• Image restoration
• Image transform
• Image compression
• Dark image