Technical analog-digital for segmentation of spectral images acquired with an accousto-optic system

Abstract

This paper presents the results of a comparative study of digital segmentation methods and analog methodsdigital segmentation. The spectral images were acquired with an acousto-optic system, which allows the acquisition of grayscale pictures in a narrow range of wavelengths. The series of images acquired for the entire visible spectrum, allows simple digital operations, perform segmentation processes. The segmentation is based on the analysis of spectral components over regions of the image. This type of processing is compared with traditional digital processing. The experimental results demonstrate that the segmentation processes developed with the acousto-optical system in conjunction with digital techniques of image processing, reduce the computational cost without compromise the quality of the segmentation.

Development of the method for decomposition of superpositions of unknown pulsed signals using the second­order adaptive spectral analysis

“…The methods proposed in papers [18][19][20][21][22][23] make it possible to perform image processing and analysis for solving specific practical problems, in particular, problems concerning the necessity of robust detection of watermarks [18] and hashing of lexicographic images [19]. In addition, we can use such methods for segmentation of images [20], improvement of blurred images [21], processing of x-rays [22] and low contrast [23,24].…”

“…The methods proposed in papers [18][19][20][21][22][23] make it possible to perform image processing and analysis for solving specific practical problems, in particular, problems concerning the necessity of robust detection of watermarks [18] and hashing of lexicographic images [19]. In addition, we can use such methods for segmentation of images [20], improvement of blurred images [21], processing of x-rays [22] and low contrast [23,24]. Papers [25][26][27][28][29][30] present methods for modeling complex dependences based on computational intelligence [25], associative rules [26], negative selection [27], neural-fuzzy networks [28], agent technologies [29], stochastic search [30].…”

Experimental Analysis of Tunable Optical Spectral Imaging System Using a Grating in the Pupil Function

“…Angle diffractions are determined by the condition of the phase coincidence for reflections from adjacent grooves [34]; these techniques allow a specialized study of various applications in spectral image analysis, such as the diagnosis of biological samples, the classification of food or objects based on colorimetry, object segmentation, the monitoring of vegetation, and analysis of soil. [35][36][37][38][39][40][41][42][43].…”

Metrology and Measurement Systems

“…A proposed improvement has emerged while one combines digital and analogue segmentation techniques, especially techniques based on the use of spectral images to reduce the processing time of images, ensuring a good segmentation quality [6,7]. Among these techniques, there has been an interesting idea consisting in the use of acousto-optic tuneable filters (AOTFs), considered to be one of the best answers for implementing analogue-digital systems [8,9].…”