camera IEEE PAPERS AND PROJECTS-2020
A camera is an optical instrument used to record images. At their most basic, cameras are sealed boxes (the camera body) with small holes (the aperture)
Camera parameters estimation from pose detections
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Some computer vision tasks become easier with known camera calibration. We propose a method for camera focal length, location and orientation estimation by observing human poses in the scene. Weak requirements to the observed scene make the method applicable
Voxelpose: Towards multi- camera 3d human pose estimation in wild environment
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We present VoxelPose to estimate 3D poses of multiple people from multiple camera views. In contrast to the previous efforts which require to establish cross-view correspondence based on noisy and incomplete 2D pose estimates, VoxelPose directly operates in the 3DIn this paper, a navigation and environment mapping method is presented for small exploration robots that use hopping motion. While previous research about hopping rovers mostly focuses on mobility and mechanical design, the motivation for the proposed method
Open to interpretation: Confronting the challenges of understanding the current state of body-worn camera research
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In only five years, both the implementation of police body-worn cameras (BWCs) and the evidence base evaluating the technology has diffused at a breakneck pace. As the number of studies has increased, so too has the uncertainty surrounding BWCs and their impact on Pedestrian detection based on Deep Convolutional Neural Networks (DCNNs) has made great stride in the last few years. Researchers have recently employed different DCNN- based techniques to detect pedestrian more accurately than before. In this paper, we
Dex-Net AR: Distributed Deep Grasp Planning Using an Augmented Reality Application and a Smartphone Camera
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Recent consumer demand for augmented reality in mobile phone applications has accelerated performance of structure from motion methods that build a point cloud from a sequence of RGB images taken by the camera on a mobile phone as it is moved around anModern urban-transport planning requires evidence-based insights into current transport flows to better understand the needs and impacts of policymaking. Urban transport includes passenger and freight vehicles, which have different behavior, and the need for such a
Towards Robust Multi Camera Visual Inertial Odometry
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Visual inertial odometry has become an increasingly popular method of obtaining a state estimate on board smaller robots like micro aerial vehicles (MAVs). While VIO has demonstrated impressive results in certain environments, there is still work to be done inPurpose In advanced minimally invasive surgery the laparoscopic camera navigation (LCN) quality can influence the flow of the operation. This study aimed to investigate the applicability of a scoring system for LCN (SALAS score) in colorectal surgery and whether The objective of this study was to evaluate the crop monitoring performance of a consumer- grade camera with non-modified and modified spectral ranges which are commonly used in low-altitude unmanned aerial vehicle (UAV) platforms. The camera was fixed sequentially Background. Patient exposure to radiation during the management of coronary heart disease (CHD) can be reduced with more efficient technologies in nuclear medicine, such as the Cadmium-Zinc-Telluride (CZT) gamma- camera for myocardial perfusion imaging
Camera calibration by using weighted differential evolution algorithm: a comparative study with ABC, PSO, COBIDE, DE, CS, GWO, TLBO, MVMO, FOA, LSHADE
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Camera calibration is an avoidable process for computational vision applications, such as 3D reverse engineering, industrial robot calibration, optic-pattern recognition, simultaneous localization and mapping, autonomous visual-driving and photogrammetric vision. The
SegCloud: a novel cloud image segmentation model using deep Convolutional Neural Network for ground-based all-sky-view camera observation
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Cloud detection and cloud properties have significant applications in weather forecast, signal attenuation analysis, and other cloud-related fields. Cloud image segmentation is the fundamental and important step to derive cloud cover. However, traditional segmentation
Automated monitoring for security camera networks: promise from computer vision labs
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A substantial increase in the number of surveillance camera systems has not delivered the promised deterrent effects or investigative case evidence and their usefulness has been underwhelming. A potential solution to practical camera monitor needs is computer vision Camera trapping has been demonstrated to be an effective tool in surveying a suite of species, especially elusive mammals in rough terrains. The method has become increasingly common in primate surveys for both ground-dwelling and arboreal taxa in many
A multi- camera multi-view system for training and skill assessment for robot-assisted surgery
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Purpose This paper introduces the concept of using an additional intracorporeal camera for the specific goal of training and skill assessment and explores the benefits of such an approach. This additional camera can provide an additional view of the surgical scene, and Background. The photon sensitivity and spatial resolution of single-photon emissioncomputed tomography (SPECT) has been significantly improved by solid-state camera systems using cadmium zinc telluride (CZT) detectors. While the diagnostic This paper presents a novel technique for classifying several camera operations in videos. First of all, we obtain a series of 2D motion vector (MV) fields by applying an existing MV estimation method. Then, a 2D MV histogram is generated in polar coordinates. The Background. Cadmium-Zinc-Telluride (CZT) technology allows use of low activities of radiopharmaceuticals. The aim was to verify the values of left ventricular volume parameters, obtained via ultra-low-dose thallium Single Photon Emission Computed Tomography Navigating an individual in both outdoor and indoor environments would provide great facilities for the community. Image-based approaches are more affordable and feasible in comparison to the high cost of sensor devices and unavailability of guiding by GPS in indoor
Camerabased On-Road Detections for the Visually Impaired
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Herein, we research the possibilities of assisting visually impaired pedestrians moving in traffic situations by using camerabased detection of relevant objects in their immediate surroundings. Therefore, we use and adapt algorithms from the field of driver assistance. We This study aims to develop prediction models for Brix, Pol, fiber, and CCS value in cane fields by using vegetation indices calculated from canopy reflectance based on images taken by a multispectral camera mounted on a small unmanned aerial system (UAS). For A single-pixel camera is composed of optical coding masks, a photo detector, and a computational decoder as the important feature that it requires no image sensor for imaging, and therefore has very simple optical and electrical architectures. The optical coding masks
Screen-Light Decomposition Framework for Point-of-Gaze Estimation Using a Single Uncalibrated Camera and Multiple Light Sources
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The use of a single uncalibrated camera is desirable for eye tracking to reduce the overall complexity and cost of the system. Quite often, at least one external light source is used to enhance image quality and generate a corneal reflection used as a reference point to
camera obscura 2020
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Page 1. UCLA Contemporary Music Score Collection Title camera obscura Permalink https://escholarship.org/uc/item/05s2072v Author Kemirtlek, Taner Publication Date eScholarship.org Powered by the California Digital Library University of California Page 2
Spacecraft Pose Estimation Based on Different Camera Model
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Spacecraft pose estimation is an important technology for spacecraft to maintain or change its orientation in space. For spacecraft pose estimation, when two spacecraft are relatively far away, the depth information of the space point is less than that of measuring distance, so
Deepvi: A novel framework for learning deep view-invariant human action representations using a single rgb camera
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In this paper, we address the problem of crossview action recognition from a monocular RGB camera . This topic has been considered extremely challenging due to the lack of 3D information in 2D images. Exploiting the advances in 3D pose estimation from a single RGB We have designed ECLIPSE, the readout circuit of the space infrared observatory project SPICA and its instrument B-BOP. When coupled to a 16 16 pixel detector matrix, the circuit fulfils two functions: an initial amplification stage (buffering) at input, and a subsequent 16
Lens for camera
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H Ikegame US Patent App. 29/65 76 patentimages.storage.googleapis Fujifilm Corporation, Fujinon Lens XF18-135mm F3.5-5.6 R LM OIS WR, Japan Patent OfficeThe Chinese GF-4 satellite remote sensor is the highest spatial resolution among the civil satellite on the geosynchronous orbit, which carries on a camera with spatial resolution of 50 meter in the bands of visible and near infrared red and 400 meter in middle infrared red The use of phase analysis techniques to assess left ventricular mechanical dyssynchrony (LVMD) has been well documented. However, artifacts have reduced the accuracy of the assessment due to soft tissue attenuation, so little information is available about the effects This paper proposes the theoretical framework and the experimental application of an improved active disturbance rejection controller (ADRC) to speed control for the pitching axis of a remote sensing camera . Mechanical model of the pitching axis, mechatronics With the advantages of sensing datas diversity, camera sensor networks (CSNs) have been applied to objective tracking in both outdoor and indoor environments. In indoor objective tracking, the objectives moving mode and sensors deployment have limitation and For astronomical instruments, accurate knowledge of the optical pointing and coupling is essential to characterize the alignment and performance of (sub-) systems prior to integration and deployment. Ideally, this requires the phase response of the optical system
Movement Detection Using Camera
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This paper is about detecting a movement in real life environment. Nowadays CCTV is installed in home and working environment to capture the video of movements. This is web camera based movement detection and this can be mainly used in military applications
Thermal Camera Face Detection and Alignment using MTCNN
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With the current situation of the increasing pandemic all over the world, thermal cameras detecting temperature gives a huge advantage of measuring an individuals temperature. Cascade has been widely used in face detection, where classifier with low computation costStructural health monitoring (SHM) has been conducted by placing sensors on structures, so- called contact sensors, to measure displacements, strains, and accelerations of engineering structures. Contact sensing is accurate and effective, but suffers from some critical
Respiratory signal and human stress: non-contact detection of stress with a low-cost depth sensing camera
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Psychological stress cause various health problems. To prevent the potential chronic illness that long-term psychological stress could cause, it is important to detect and monitor the psychological stress at its initial stage. In this paper, we present a framework for remotely The dynamic model of a single cavitation bubble in the submerged cavitation water jet was established and solved by MATLAB to obtain its motion characteristics and pressure pulse change rules. Numerical simulation based on FLUENT to closer wall, empty bubble
Multispectral Camera for Monitoring Plant Health: Testing Report
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Multispectral imaging allows for the characterization of plant health and photosynthetic activity based on reflectance values of plants and their surroundings in specific bands of the electromagnetic spectrum. This project is a continuation of a previous semester project; this
Remote Sensing by Hyperspectral Imaging Camera
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We propose the integration of a hyperspectral imaging (HSI) camera to capture high-spatial- and spectral-resolution calibrated reflectance imagery on DOEs recently purchased Bombardier Challenger 850 regional jet. The sensor would collect observations in several
Supplementary Material of Camera Trace Erasing
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We provide the implementation details of the gradient-based adversarial method (AD) . As illustrated in Fig. 1 (a), given an image im, AD requires a trained classifier C ( ) and a known label lb, to generate the adversarial dithering ? from the back-propagation C ( ) of cross Studying animal grouping behavior is important for understanding the causes and consequences of sociality and has implications for conservation. Chimpanzee (Pan troglodytes) party size is often assessed by counting individuals or extracted indirectly from
Introduction to the Acoustic Camera
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Noise, or unwanted sound, has been proven to have a negative effect on human health. It is in the best interests of companies and industries to design the quietest product possible, and to make use of unexpected noises as a means of identifying problems with the final productCurrently, the smart traffic system is one of the top development priorities for Vietnam to build smart cities across the country. Traffic situation in big cities in Vietnam has become a problem for road users during rush hours. Local congestion has occurred on many roads
Movement Detection Using Web Camera
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A theft system control is one of the device that detects the object moving, particularly people. The motion detector is a component of a system that automatically performs a task of motion in an area. Movement Detector includes a vital component of security, automated lighting
ESTABLISHING FIRE INTENSITY AND DURATION ON SMALL RESEARCH PLOTS USING A THERMAL IMAGING CAMERA
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Extended abstract To study the effects of fire on red maple (Acer rubrum) seedlings, an experimental plantation was established. Fuels were needed to create fires of low and high intensity to reproduce conditions of wildfires in upland hardwood forests with a high red
Object Extraction Method from Mobile Camera Videos Using Optical Flow
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Nowadays, image recognition using deep learning is rapidly developing, and object and its state recognition are performed from images in various fields. On the other hand, with the progress of IoT, it has become possible to easily collect target images at various places byThe determination of stoichiometric ratios and stability constants of metal ligand complexes is of great importance for physical, chemical, biochemical, and environmental studies and often require relatively expensive and sophisticated instruments. Herein, we introduce a
PORTABLE ELECTRONIC TOOTH SCALER WITH INTRAORAL CAMERA AND ANTI BACTERIAL TREATMENT FACILITY
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This research work relates generally to an electronic dental instruments and more particularly, to tooth scalers having a vibrating scaling tip. The most abundantly available portable tooth scalers in the market are generally cheap low quality products whose
Performances of Optical Camerabased Vehicular Communications under Turbulence Conditions
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In this paper, we investigate the performance of a vehicular visible light communications (VVLC) link, which uses an incoherent light source as the transmitter (Tx) and an optical camera as receiver, under a turbulent condition. The result shows that in comparison to
Single Pixel Thermal Camera based on Liquid Crystal Resonant Structures SPT-Cam
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Single pixel liquid Crystal (SPLC) layer combined with light responsive material such as semiconductor form what is called optically addressed spatial light modulator which is used for optical computing and image conversion. When LCs are part of a resonant photonic
Camera Calibration and Fundamental Matrix Estimation with RANSAC
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The main aim of this investigation is to study the camera and scene geometry. We will extimate the camera projection matrix also known as calibration matrix, which maps 3D world coordinates to image coordinates, as well as the fundamental matrix, which relates
Anomalous Object Tracking in Distributed Camera Network
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The paper introduces a novel framework for real-time tracking of an object with higher precision in a Pan-Tilt-Zoom (PTZ) camera network. In the above-mentioned framework, the object which behaves anomalously is picked for tracking. An SVM classifier has been used In this paper, we propose a method to enhance the quality of real time video based on Camera Response Function. Most of the existing enhancement algorithms introduce some distortion because of ignoring non linear camera process. We propose a method by taking
Finding interesting images from large quantities of camera trap data
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To protect the endangered Saimaa ringed seal population, the ringed seals are monitored with automatic camera traps in order to gather knowledge about them including population size, territory, age, health and breeding data. To achieve this, the monitoring system has toObjective Gamma camerabased measurement of glomerular filtration rate (GFR) with 99m Tc-diethylenetriaminepentaacetic acid (DTPA) is an established non-invasive measurement of split renal function; however, it is not as accurate as the plasma sample method
LANTANA CAMERA : A PROBLEMATIC WEED
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Lantana camara is a member of the family Verbenaceaeand it introduced as a weed in India, but it has become a problem for agriculture, therefore, it is categorized as in weed. The Lantana is a noxious weed the fast and easy growing plant. It is widely spread all over the
10.Nothing Will Have Taken Place Except Place: The Unsettling Nature of Camera Movement
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Abstract In 189 Stèphane Mallarme threaded this phrase through his culminating work of modern poetry Un Coup de Des. Michael Snow, commenting on his 1967 film Wavelength, another radical work of modernist vision, invoked Mallarmes phrase and sets us thinking
Terrain Mapping Camera2 onboard Chandrayaan-2 Orbiter
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The paper presents the design and development of Terrain Mapping Camera2 (TMC-2) for Chandrayaan-2 including science objectives; system and sub-system configuration along with the realized performance of the camera ; payload characterization; aspects related to CSE PROJECTS