Chroma keying is the process of segmenting objects from images and video using color cues. A blue (or green) screen placed behind an object during recording is used in special effects and in virtual studios. The blue color is later replaced by a different background. A new method for automatic keying using invisible signal is presented. The advantages of the new approach over conventional chrom...

Motivated by evidence that image source statistics predict the response properties of several visual perception aspects, we provide an empirical analysis of the relation between chroma statistics and human judgments of tonality. To accomplish this, a statistical analysis method based on chroma feature covariance is proposed. It makes use of a large collection of western music to build a tonal p...

KARL STORZ presents its new full HD camera platform IMAGE 1 SPIES, a new milestone in endoscopic imaging. IMAGE 1 SPIES stands for Storz professional image enhancement system and provides users with versatile visualization options for operation and diagnosis. Three innovative technologies for visualization are integrated in the new camera system: SPIES CLARA, SPIES CHROMA and SPIES SPECTRA. SPI...

Focus is an important part before capturing an image by DSC. After obtaining an optimized focus, image can have best contrast to evaluate. So far, many focus methods were built and they include maximum contrast search and object distance inverse calculation. No mater which method is used, both can provide us best focus to capture. In this paper, another method to determine focus is moiré. Reaso...

Encouraged by the good performance of the DCT in audiovisual speech recognition [1], we investigate how the selection of the DCT coefficients influences the recognition scores in a hybrid ANN/HMM audio-visual speech recognition system on a continuous word recognition task with a vocabulary of 30 numbers. Three sets of coefficients, based on the mean energy, the variance and the variance relativ...

A psychophysical experiment was carried out to evaluate 5 chroma clipping techniques for gamut mapping. Three different destination gamuts were used in order to determine how the shape of the destination gamut would influence performance of the different mapping techniques. The test images consisted of 7 colored computer-rendered textured spheres and one image which contained all 7 objects. The...

Encouraged by the good performance of the DCT in audiovisual speech recognition [1], we investigate how the selection of the DCT coefficients influences the recognition scores in a hybridANN/HMM audio-visual speech recognition system on a continuous word recognition task with a vocabulary of 30 numbers. Three sets of coefficients, based on the mean energy, the variance and the variance relative...

In this study, it was aimed to examine and compare the effects of Hibiscus (Hibiscus sabdariffa L.) poppy (Papaver rhoeas extracts on some chemical, physical, microbiological sensory properties bread dough bread. The pH, L, b, chroma, hue values decreased by usage hibiscus extract, while a value increasing. It determined as lowest pH 4.13; L 39.23; b 5.08; chroma 6.55, angle 54.65 highest 7.20....

The design and tailoring of material color for both aesthetic functionality is an ongoing topic materials science engineering research. In this work, a method developed to tune predict pseudogap energy any compositional variation B1-rocksalt structured Group 4 5 transition metal carbonitride. Optical properties bulk multicomponent carbonitrides were characterized using reflectivity spectra. ene...

A common method for characterizing a colored pigment is making a ramp contain several mixtures of the colored and white pigments. Then, by applying the least squares technique using all the samples, absorption and scattering coefficients can be calculated. Making several samples is time consuming. In this approach, the minimum number of samples for characterizing the pigments using single-and t...