handbook of image and video processing by alan conrad bovik pdf

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... 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 Postprocessing 5.5.3 Shape and Color ... quadratic, quadratic Chebyshev, and cubic Chebyshev. The methods were then used to warp the checkerboard image, which is a standard test image for computer graphics. The checkerboard image is useful ... =−.0082, and h = 0. The simulation shows that straight linesin the original image are curved greatly by thequadratic and quadratic Chebyshev methods. They are curved slightly by the cubic Chebyshev...

Ngày tải lên: 08/05/2014, 16:13

... sim- plifications for real-time image and video processing, Hardware platforms for real-time image and video processing, Software methods for real-time image and video 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 image and video processing. Here, an overview of the history of image processing is stated ... follows, the concept of “real-time” as it pertains to image and video processing systems is discussed and followed by an overview of the history of these systems and a glance at some of the emerging...

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Ngày tải lên: 05/06/2014, 11:59

... the Compressed Form Figure 1.3 : Processing in the domain of alternative representation. 1.3 Overview of Different Image and Video Compression Techniques and Standards Various image and video compression techniques ... of video resizing, in particular video downsampling, is discussed in the next chapter on transcoding. In chapter six, transcoding of images and videos is discussed. As most of the image and video ... 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 of processing of images and videos in the compressed...

Ngày tải lên: 05/06/2014, 12:04

... Y AVG is made as a product of brightness L of the input image, Exposure (integration) Time t ET of the sensor, gain G of the image processing pipeline, and a constant K,see[9], and computed with Y AVG = ... on Image and Video Processing own peculiarities, different behavior, and effect on the image. The task of the video- level control algorithm is to maintain the correct average luminance value of ... describe two basic methods: mixing of images and hard switching between images. Figure 12(a) depicts a soft switch between long- and short-exposure images, where two images are mixed in a transition...

Ngày tải lên: 21/06/2014, 06:20

... Journal on Image and Video Processing [34] A. C. Kokaram, “On missing data treatment for degraded video and film archives: a survey and a new Bayesian approach,” IEEE Transactions on Image Processing, ... transition between c(x) and c sm (x). Figure 5 illustrates the approach by showing the relevant images and masks. 10 EURASIP Journal on Image and Video Processing Table 3: Performance of the colour channel ... EURASIP Journal on Image and Video Processing 3 (a) (b) (c) Figure 1: Examples of images from minimally invasive medical procedures showing specular highlights. (a) Laparoscope image of the appendix,...

Ngày tải lên: 21/06/2014, 06:20

... transformation I p of image I with respect to the center of image (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 and of hard hats (i, j). EURASIP Journal on Image and Video Processing 7 True detections (66%) (a) (b) (c) False detections out of scale (24%) False ... unreliable. Most of the other head detectors approaches that do not rely on shapes, exploit color features (ty p ically of hair and EURASIP Journal on Image and Video Processing 3 Domain-specific video...

Ngày tải lên: 21/06/2014, 06:20

... images correspond to face images and 7,000 images and their mirror images correspond to nonface images. Furthermore, 1, 000 and 3, 000 face and nonface images, respectively, and their mirror images are used ... [33] and its mirror images. Ole Jensen dataset consists of 15, 000 gray-scale images of size 24 ì 24 pixels, where 5, 000 images are for frontal faces and 10,000 images correspond to nonface images. ... evaluation. Therefore, the training dataset consisted of 9, 916 face images and 17,872 nonface images of 24 ì 24 pixels, and same number, but nonoverlapping, face and nonface images are used for the evaluation...

Ngày tải lên: 21/06/2014, 06:20

... capable of still-to-still, still-to -video and video- to- video matching in real-time. Evaluation of this approach is done for still image and video based face recognition on LFW 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 the state -of- the-art techniques for still image and video- based face recognition in Section 2, followed by discussions of still images and video sequences for surveillance...

Ngày tải lên: 21/06/2014, 06:20

... amount of culture-related information is now digitally stored, and thus amenable to digital processing. The field of image and video processing for cultural heritage encompasses a large variety of ... the use of image and video processing techniques in cultural heritage applications was the initiation of extensive digitization campaigns by public institutions, museums, libraries, and archives ... Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2009, Article ID 163064, 3 pages doi:10.1155/2009/163064 Editorial Image and Video Processing for Cultural Heritage Vincent...

Ngày tải lên: 21/06/2014, 18:20

... specific characteristic of image and video content: high-transmission rate and limited allowed bandwidth, which justifies the inadequacy of standard cryptographic techniques for such content. Another limitation of ... it consists in encrypting the sign bits 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, ... subsequent codewords. (h) Data type: image and 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...

Ngày tải lên: 22/06/2014, 00:20

... influ- ence of the heat, this toner swells and therefore gives a raised image. Such static raised images are routinely used in many places; often however these images are prepared by hand and little image ... on Image and Video Processing by people who are blind relates to areas such as identification of objects’ shape and textures [45], mathematics learning and graphs exploration [46, 47], use of ... Depart- ment, University of Geneva, Geneva, Switzerland, 2002. [23] J. M. Loomis and S. J. Lederman, “Tactual perception,” in Handbook of Perception and Human Performance: Cognitive Processes and Performance,K.R.Boff,L.Kaufman,andJ.P. Thomas,...

Ngày tải lên: 22/06/2014, 00:20

... Image and video processing for visually handicapped people” by T. Pun et al. In this review, the importance of modality conversion is advocated, and partic- ular examples of audio, haptic, and ... 2 EURASIP Journal on Image and Video Processing impaired people. This language is based on both lip-reading and manual gestures. The proposed method is essentially built ... semantic- aware processing, ” Z. Wang et al. describe a methodology for transforming images into a simplified form suitable for tactile rendering, based on a series of image segmentation steps guided by contextual...

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