A Survey on Feature Extraction Technique in Image Processing
Image processing is a method to convert an image into digital form and perform some operations on it. It is a type of signal dispensation in which input is image, video frame or photograph and output may be image or characteristics associated with that image. Image processing basically include the nthree steps as importing the image with optical scanner or by digital photography. Analyzing and manipulating the image which includes data compression and image enhancement and spotting pattern that are not to human eyes like satellite photographs. Output is the last stage in which result can be altered and report is based on image analysis. In recent trends, image processing domain plays a virtual part of real time application in modern world. Feature extraction starts from an initial set of measured data and builds derived values features intended to be informative and non redundant, facilitating the subsequent learning and generalization steps, some cases leading to better human interpretations.
Image Processing and Feature Extraction
Dr. A. Hema | R. Saravanakumar