... space-varying mean and stationary covariance as a model for the pdf of the image. Geman and Geman [11] proposed a Gibbsdistribution to model thepdf ofthe image. Alternatively, if the image is assumed ... non-stationary image mean, Rf and Rnare the correlation matrices of the idealimageandnoise,respectively,andSbisadiagonalmatrixconsistingofthederivativesofs(.) evaluatedc1999 by CRC Press LLCImageandVideoRestorationA.MuratTekalpUniversityofRochester53.1Introduction53.2ModelingIntra-FrameObservationModel•MultispectralObserva-tionModel•MultiframeObservationModel•RegularizationModels53.3ModelParameterEstimationBlurIdentification•EstimationofRegularizationParameters•EstimationoftheNoiseVariance53.4Intra-FrameRestorationBasicRegularizedRestorationMethods•RestorationofIm-agesRecordedbyNonlinearSensors•RestorationofImagesDegradedbyRandomBlurs•AdaptiveRestorationforRing-ingReduction•BlindRestoration(Deconvolution)•Restora-tionofMultispectralImages•RestorationofSpace-VaryingBlurredImages53.5MultiframeRestorationandSuperresolutionMultiframeRestoration•Superresolution•SuperresolutionwithSpace-VaryingRestoration53.6ConclusionReferences53.1 ... the dataand a constantsum of pixel intensities. This approach requires thesolution of a system of nonlinear equations. The number of equations and unknowns are on theorder of the number of pixels...
... equal to the (vector) product of a force and the displacement of an object. In simple systems, where W is work, F force and s distance W = F s In SI the unit of work is the joule, J, or ... of Speedrotor of speed - field of speed Slip Inductive Reactance Reactance of AC circuit (X) = 2πfL ohms where L = inductance of circuit (henries) Inductance of an iron cored ... temperature change Latent Heat Latent heat of fusion of ice = 335 kJ/kg Latent heat of steam from and at 100°C = 2257 kJ/kg 1 tonne of refrigeration = 335 000 kJ/day = 233 kJ/min...
... on Polyolefins and Styrenics is the first part of a four-part set on Handbookof Engineering and Specialty Thermoplastics. The other three parts, to be published in late 2010 and 2011, are ... of the dust coming from the air or treating chemicals to the surface of the devices causes reduction of yield and deterioration of performance. 52 Engineering Thermoplastics: Polyolefins and ... the softening point, melting point and dielec-tric property of the resultant toner can be satisfactorily controlled. Thereby the non-offset fixing temperature range of the toner can be expanded....
... sim-plifications for real-time imageandvideo processing, Hardware platforms for real-time image andvideo processing, Software methods for real-time imageandvideo processing P1: IML/FFX P2: IML/FFX ... developments in the field of multidimensional signal processing have all led to the creation of the field of real-time imageandvideo processing. Here, an overview of the history ofimageprocessing is stated ... a brief overview of the other chapters.1.2 PARALLELISM IN IMAGE/ VIDEO PROCESSING OPERATIONSReal-time imageandvideoprocessing systems involve processing vast amounts ofimage data ina timely...
... YAVGis made as a product of brightnessL of the input image, Exposure (integration) Time tET of the sensor, gain G of the imageprocessing pipeline, and aconstant K,see[9], and computed with YAVG= ... on ImageandVideo Processing own peculiarities, different behavior, and effect on the image. The task of the video- level control algorithm is to maintainthe correct average luminance value of ... describe twobasic methods: mixing of images and hard switching betweenimages. Figure 12(a) depicts a soft switch between long- and short-exposure images, where two images are mixed in atransition...
... EURASIP Journal on ImageandVideoProcessing 3(a) (b) (c)Figure 1: Examples of images from minimally invasive medical procedures showing specular highlights. (a) Laparoscope imageof theappendix, ... ives.4 EURASIP Journal on ImageandVideo Processing (a) (b)Figure 3: Example of a colonoscopic image before and after median filtering.(a) (b)(c) (d)Figure 4: Illustration of the area that is used ... transition between c(x) and csm(x). Figure 5 illustrates the approach by showing therelevant images and masks.10 EURASIP Journal on ImageandVideo Processing Table 3: Performance of the colour channel...
... respect to the center ofimage (a); (d) rectangular axis-oriented patch on polar image; (e) transformation of the image (d) and its patch o nto the origin al image; (f) examples of rectangular patches ... detector; final detections of (g, h) bare heads andof hard hats(i, j).EURASIP Journal on ImageandVideoProcessing 7True detections (66%)(a) (b) (c)False detections out of scale (24%)False ... unreliable.Most of the other head detectors approaches that do notrely on shapes, exploit color features (ty p ically of hair and EURASIP Journal on ImageandVideoProcessing 3Domain-specific video surveillanceContextknowledgeextractionContextmodelspurposemodels(A.1)(A.2)(A.3)(B.1)(B.2)...
... imagescorrespond to face images and 7,000 images and their mirrorimages correspond to nonface images. Furthermore, 1, 000 and 3, 000 face and nonface images, respectively, and theirmirror images are used ... [33] and its mirror images. Ole Jensen datasetconsists of 15, 000 gray-scale images of size 24× 24 pixels,where 5, 000 images are for frontal faces and 10,000 imagescorrespond to nonface images. ... evaluation.Therefore, the training dataset consisted of 9, 916 face images and 17,872 nonface images of 24× 24 pixels, and samenumber, but nonoverlapping, face and nonface images areused for the evaluation...