... One goal of MPEG-7 is to provide a stan-dardized method of describing features of multimedia data. For images and video, colors or â2001 CRC Press LLC 5.5.2 Postprocessing5.5.3 Shape and Color ... quadratic, quadratic Chebyshev, and cubic Chebyshev. The methods were then used to warp the checkerboard image, which isa standard test image for computer graphics. The checkerboard image is useful ... =−.0082, and h = 0. The simulation shows thatstraight linesin the original image are curved greatly by thequadratic and quadratic Chebyshevmethods. They are curved slightly by the cubic Chebyshev...
... 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: ... 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 ... follows, the concept of “real-time” as it pertains to imageandvideoprocessing systemsis discussed and followed by an overview of the history of these systems and a glance at some of the emerging...
... theCompressedFormFigure 1.3 : Processing in the domain of alternative representation.1.3 Overview of Different ImageandVideo CompressionTechniques and StandardsVarious imageandvideo compression techniques ... ofvideo resizing, in particular video downsampling, is discussed in thenext chapter on transcoding.In chapter six, transcoding of images and videos is discussed. As most of the imageandvideo ... respectively. At the end of the chapter, error-res ilient transcoding of the video str e am is also discuss e d.There are various other applications ofprocessingof images and videosin the compressed...
... 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...
... Journal on ImageandVideo Processing [34] A. C. Kokaram, “On missing data treatment for degraded video and film archives: a survey and a new Bayesianapproach,” IEEE Transactions on Image Processing, ... 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 ... 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,...
... transformation Ip of image I with 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) ... 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-specificvideo...
... 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 24ì 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 24ì 24 pixels, and samenumber, but nonoverlapping, face and nonface images areused for the evaluation...
... capable of still-to-still, still-to -video and video- to- video matching in real-time. Evaluation of this approach isdone for still imageandvideo based face recognition onLFW image dataset and ... still images and video sequences. It can be further classified into t hree categories:still image to still image matching, video sequence to video sequence matching, and still image to video ... as follows: we review thestate -of- the-art techniques for still imageand video- basedface recognition in Section 2, followed by discussions of stillimages andvideo sequences for surveillance...
... amount of culture-related information is now digitallystored, and thus amenable to digital processing. The field ofimageandvideoprocessing for culturalheritage encompasses a large variety of ... the use ofimageandvideoprocessing techniques incultural heritage applications was the initiation of extensivedigitization campaigns by public institutions, museums,libraries, and archives ... Publishing CorporationEURASIP Journal on ImageandVideo Processing Volume 2009, Article ID 163064, 3 pagesdoi:10.1155/2009/163064Editorial Image andVideoProcessing for Cultural HeritageVincent...
... specificcharacteristic ofimageandvideo content: high-transmissionrate and limited allowed bandwidth, which justifies theinadequacy of standard cryptographic techniques for suchcontent. Another limitation of ... it consists in encrypting the signbits of differential values of DC coefficients of I-frames and sign bits of differential values of motion vectors of B- and P-frames.(a) Tunabilit y: not tunable, ... subsequentcodewords.(h) Data type: imageand video. Pommer and Uhl, 2003. The algorithm proposed in [25]is based on AES encryption of the header information of wavelet packet encoding of an image, this header...