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We define the Superstrider architecture and report simulation results that show it could be key to achieving HIVE hardware goals. Superstrider's performance comes from a novel sparse-to-dense stream converter, which relies on 3D manufacturing to tightly couple DRAM to an internal network so operations like merging and parallel prefix can be performed quickly and efficiently. With the ability to use...
The growth of online services has resulted in a great need for tools to secure systems from would-be attackers without compromising the user experience. CAPTCHAs (Completely Automated Public Turing Tests to Tell Computers and Humans Apart) are one tool for this purpose, but their popular text-based form has been rendered insecure by improvements in character recognition technology. In this paper,...
We optimize and compare the performance of different deep learning architectures for awareness on a sidewalk using small form factor devices such as Raspberry Pi 3. Our main objective is to find deep learning architecture that is complex enough to accurately classify a set obstacles on the sidewalk. Out selection criteria are: minimum number of parameters, lower power consumption, and robustness against...
In this work, we consider the problem of image abstraction and stylization. A graph-based framework is proposed to render real images into painterly-style ones and create a simple stylized format from color images. The goal is to abstract images by simplifying their visual content while preserving edges and emphasizing most of the perceptually important information. To this end, the low-contrast regions...
Feature fusion methods have been demonstrated to be effective for many computer vision based applications. These methods generally use multiple hand-crafted features. However, in recent days, features extracted through transfer leaning procedures have been proved to be robust than the hand-crafted features in myriad applications, such as object classification and recognition. The transfer learning...
Robots based on vision guidance are very important to the future of vehicle navigation. They have the ability to navigate through a predetermined track and avoid obstacles. They operate remotely with a central computer tracking and guiding them. This allows for communication between robots. This can be used to implement traffic based navigation. Where routes can be recalculated depending on traffic...
This paper describes about the team SNU MACRO'S strategy for scan the code mission in Maritime RobotX Challenge. Before describing the specific algorithm for scan the code mission, our vehicle system which was developed for completing each mission for the competition is outlined briefly. To recognize the LED color of the buoy, image processing algorithm is divided into three step, including preprocessing,...
This paper reports a research for vision and 2D Lidar based autonomous docking for autonomous surface vehicle. The work is related to one of the tasks in 2016 Maritime RobotX Challenge. Docking bays are located by using Lidar scanning data and symbols are identified by template matching and comparing Euclidean distance in HSV color space. Before proceeding to the bay, lateral position alignment is...
A large number of vehicle accidents are caused by low visibility during poor weather conditions, something which impacts human lives around the globe on a daily basis. These accidents could be significantly reduced if a real time visibility enhancement systems were to exist. This work is aimed to improve driver safety in inclement weather but easily can be modified to enhance low vision surveillance...
Color characteristics of computer monitors and similar display devices can significantly alter the way an image is perceived by the human eye. Modern cameras and software applications are able to create vibrant scenes and retain their original colorfulness through an embedded ICC[1] profile. Gamut differences between input and output mediums require color management techniques in order to preserve...
in today's scenarios world is struggling to develop new technologies for handicap people, so that they can also compete in the modern world. The Main existing solutions are prosthetic devices, voice recognition programs, screen readers, and hand gestures recognition, but developing new technologies faces various problems like time, cost and portability. This paper proposes a new perspective by enhancing...
Groundwater contamination by Arsenic is a huge problem in many countries. In a developing country like Bangladesh, with widespread Arsenic contamination and lack of laboratory facilities, usually field detection kits are preferred to detect arsenic in tubewells. However, these kits produce a significant number of false positives/negatives due to human errors in matching the detection test-strip colors...
This paper presents a low cost eye based Human Computer Interface (HCI) developed for amputees and paralyzed persons. The system is a computer interface that provides the functionality of an input device like mouse based on eye actions such as eye blink, eye-gaze and gaze control. For initialization, the subject just holds his/her head still for a few seconds: using involuntary blinks that would naturally...
Abstract-The IEEE 802.15.7 standard on visible light communications (VLC) proposes color-shift-keying (CSK) as a way to increase data rate while keeping a constant optical power. In this paper, we propose two algorithms to design codes by finite state machines (FSM) using newly introduced CSK constellations. These codes ensure a constant perceived color eliminating the use of the scrambler proposed...
Grabcut is an efficient image segmentation technique which facilitates easy user interaction by locating a rectangular bounding box to include the foreground objects. However, when the foreground objects exhibit similar colors to that of the background, it often fail to work to accurately classify the pixels within the interior region of the bonding box. In this paper, we propose an adaptive region...
Voyage data recorder (VDR) is used to record vessels' navigation data. Image is one of the essential data recorded by VDR. According to International standard-IEC 61996, compared with the original image, the one recorded by VDR may contain color and position errors. In this paper, an improved position errors test method is proposed based on IEC 61996. An image which contains two colors, black and...
Access control is regarded as absolutely crucial in any environment, especially in home and work environments where sensitive resources are accessed. In this paper, we propose a non-contact, gesture-based authentication alternative to password authentication. The solution focuses on capturing specific graphical information, in the form of patterns drawn in the air, as a means of authentication. The...
Automation has gained the most famous and biggest attention in the industrial world lately. This is because it causes less man involvement, higher accuracy, money and time savings, unlike the conventional methods. Thus, the “Internet of Things” (IoT) concept came to the picture. This research paper reveals an implementing method of IoT concept for a manufacturing line to inspect and control an automatic...
The human use of electronic displays (television or computers), also known as “screen time,” is currently a topic of great interest within behavior medicine and general clinical research. This behavior has been linked with a wide variety of pathologies, including obesity, circadian disruption, sleeping disorders, cardiometabolic disease, and socio-emotional behavior disorders in children. As an alternative...
Recently, investigating boundary prior to aid other low-level image cues, have gained great attention in salient object detection. Although the salient regions are mostly located in the image center, the inverse might not necessarily be true. In addition, such kind of center-bias assumption is very simple and fragile, especially when salient regions often touch the image boundary or the images are...
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