... multimedia communication also involves audio coding, control and signaling, and the multiplexing of audio, video, data, and controlsignals. ITU-T specifies anumber of system standards for multimedia ... models, audio, speech, analog/digital video, and compositioninformation. The standardized description will enable fast and efficient search and retrieval of multimedia content and advance the search ... interactivity, universal access, and high-compression coding of general material for a wide bit-rate range. It also emphasizes flexibility and extensibility. Theconcept of content-based coding of MPEG-4...
... strategies, Algorithmic sim-plifications for real-time imageandvideo processing, Hardware platforms for real-time image andvideo processing, Software methods for real-time imageandvideo processing P1: ... REAL-TIME IMAGEANDVIDEO PROCESSING: FROM RESEARCH TO REALITYfrom obtaining an enhanced image to intelligent scene analysis. Digital images andvideo areessentially multidimensional signals ... 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 in order...
... Taylor and Francis Group, LLCxiii5.2 Image halving using linear distributive and unitary properties of DCT: (a) original image, (b) bilinear decimation in spatialdomain, and (c) downsampled image ... 2011 by Taylor and Francis Group, LLC8 ImageandVideoProcessing in the Compressed DomainCompressed Image EntropyDecodingAlternativeRepresentation Processing in thedomain of AlternativeRepresentationProcessedOutput ... For image and video, this is usually achieved by an alternative representation ina different domain other than their original domains of representation, whichare spatial and spatiotemporal for images...
... average value of the image signal 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 ... higher signal valuesis proportional to the square root of the signalamplitude and when the whole image signal is shifteddown by the AB control, parts of the signal withhigher noise values are ... moment of the Short Exposure Image but alsofor the frequency difference of the actual and ideal mains lockfrequencies. Namely, due to a frequency drift of the mainssignal (usually up to 1% of a...
... detection of lesions [42]. Consequently, removal of these artefacts is of high importance both from the clinical and the technical perspect ives.4 EURASIP Journal on ImageandVideo Processing (a) ... Detecting specular highlights may6 EURASIP Journal on ImageandVideo Processing Table 1: Performance of the algorithm for equal costs of false positives and false negatives. Compared to the method in ... 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,...
... 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 detections ... whole space of window states (typicallyposition and scale), and its cardinality depends on the size of the image, on the range of scales to check, and onthe stride of scattering of the windows. ... applied on it; specifically,each of them operates on a rectangular patch over the polar image, that represents a slice of annulus over the originalEURASIP Journal on ImageandVideoProcessing 11020406080100−200204060−60−40−20020406080LabPlot...
... value, which was of the order of a few hundredFIGURE 6.24 SFFM images of a bilayer of a 1:1 mixture of PFECA and AA; the scan size is 4 × 4 µm2. The circularislands in the topographic image ... scale (Zhong and Tománek, 1990; Tománek et al. , 1991;Colchero and Marti, 1995; Colchero et al. , 1996b; Gyalog et al. , 1995). These models can be consideredan extension of a molecular model of ... 6.3 If the cantilever and the optical setup are aligned correctly, the motions nα and nβ induced by normal and lateral forces cause perpendicular movements rα and rβ of the reflected laser...