In conventional color CCD cameras, each color pixel consists of different pixels that record the red, green or blue light. However, for special applications such as in astronomy, it is desirable to take pictures at a number of specific wavelengths. In this work, we present the design and fabrication of a liquid crystal wavelength tunable filter which is also able to detect the polarization stat...

A practical way for obtaining depth in computer vision is the use of structured light systems. For panoramic depth reconstruction several images are needed which most likely implies the construction of a sensor with mobile elements. Moreover, misalignments can appear for non-static scenes. Omnidirectional cameras offer a much wider field of view than the perspective ones, capture a panoramic im...

Light field rendering has been proposed to render novel images from a collection of captured images without explicit geometry information. In this report, we present an optical analysis of light field rendering. In particular, a light field rendering system can be considered as a virtual imaging system with a discrete synthetic aperture (e.g., [10]. We define the key elements of the virtual ima...

This paper proposes the design of a custom mirror-based light field camera adapter that is cheap, simple in construction, and accessible. Mirrors of different shape and orientation reflect the scene into an upwards-facing camera to create an array of virtual cameras with overlapping field of view at specified depths, and deliver video frame rate light fields. We describe the design, constructio...

Flash light of digital cameras is a very useful way to picture scenes with low quality illumination. Nevertheless, especially low-end cameras integrated flash lights are considered as not reliable for high quality images, due to known artifacts (sharp shadows, highlights, uneven lighting) generated in images. Moreover, a mathematical model of this kind of light seems difficult to create. In thi...

A practical way for obtaining depth in computer vision is the use of structured light systems. For panoramic depth reconstruction several images are needed which most likely implies the construction of a sensor with mobile elements. Moreover, misalignments can appear for non-static scenes. Omnidirectional cameras offer a much wider field of view than the perspective ones, capture a panoramic im...

Abstract Image sensors are used in all digital cameras, mobile phones and other devices where images to be captured. The most common parameter by consumers compare the different cameras is pixel array size which usually given Mega pixels. image quality better with a higher megapixel count. Another distinguish between type of imaging technology like CMOS (Complementary metal oxide semiconductor)...

Visual object tracking under challenging conditions of motion and light can be hindered by the capabilities conventional cameras, prone to producing images with blur. Event cameras are novel sensors suited robustly perform vision tasks these conditions. However, due nature their output, applying them detection is non-trivial. In this work, we propose a framework take advantage both event off-th...

When rendering or capturing stereoscopic images, two arrangements of the cameras are possible: radial (“toed-in”) and parallel. In the radial case all of the cameras’ axes pass through a common point; in the parallel case these axes are parallel to one another. The radial configuration causes distortions in the viewed stereoscopic image, manifest as vertical misalignments between parts of the i...