In this study, a method for fusing of visible (or standard RGB) with near‐infrared (NIR) image pair for enhancing a hazy image is proposed. Better image enhancement in terms of contrast, sharpness, increased perception is realised by combining the components from both the spectra. While there are a number of applications that use NIR images, very few combine RGB and NIR information of the same scene taken from two separate imaging devices. Although NIR images are greyscaled in nature, they have intrinsic properties desirable in both colour and visible imagery of a number of scenes. Instances are increased the contrast between sky and clouds; shadowed and non‐shadowed regions; and increased optical depth. These features are in most cases missed by a standard RGB camera and therefore, a fusion of such RGB–NIR image pairs is highly beneficial. The scheme for fusing these image pairs is realised by using a novel, fuzzy clustering algorithm along with wavelet transform so that not only contrast and sharpness are enhanced, but also the chromaticity of the original RGB image is retained. The proposed technique is well demonstrated for various outdoor scenes, and better results are obtained when compared against some of the state‐of‐the‐art techniques proposed recently.
herein, a new way of designing a bi-pedal robot is explored. It uses Arduino Uno microcontroller to control the movement of the robot. The robot has the ability to mimic the locomotory motion of the human leg and consequently it is named as "shadow bot". The circuit consist of a transmitter section and a receiver section; the TX part couples IR sensor and Accelerometer motion sensor together and is fixed onto a human leg, while the RX part consist of servo motors and microcontroller unit and 434 MHz ASK receiver that forms a part of the Robot circuitry. The Arduino ATmega 2560 based microcontroller is used in both the receiver and transmitter. Motion of the robot is controlled by sending PWM signal pulses to the corresponding servo motors; a total of 6 servo motors have been utilized as a remedy for solving the mechanical aspects of the shadow bot. The capability of the present robot can be extended by adding features that may be able to perform realtime such as agriculture, military operations; mechanical hands for performing heavy task, advanced signal processing can be done by fitting a camera on top of it.
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