Results 21 to 30 of about 818,953 (347)

PAN-TILT CAMERA SEBAGAI AKTUATOR PELACAK POSISI BOLA

open access: yesMatrix: Jurnal Manajemen Teknologi dan Informatika, 2018
Penelitian ini membahas tentang proses perancangan pan-tilt camera yang digunakan untuk melacak bola. Sistem pan-tilt camera ini digunakan untuk mempertahankan posisi  obyek atau bola yang terdeteksi agar selalu di tengah bingkai  layar visual yang ...
Aan Febriansyah   +3 more
doaj   +1 more source

STUDY OF DIGITAL CAMERA CALIBRATION ON A FLAT TEST OBJECT [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
The paper presents a method for calibration of digital cameras based on the use of a flat test object. The main distinctive feature of this method is that the camera is fixed and does not change its position in space.
A. V. Govorov   +2 more
doaj   +1 more source

Pan–Tilt IR Scanning Method for the Remote Measurement of Mean Radiant Temperatures at Multi-Location in Buildings

open access: yesRemote Sensing, 2021
The mean radiant temperature (MRT) is an indicator for evaluating the radiant heat environment near occupants and is determined by the radiant heat exchange between the occupants and their surroundings.
Dong-Seok Lee, Jae-Hun Jo
doaj   +1 more source

Correction for Camera Roll in a Perspectively Distorted Image: Cases for 2 and 3 point perspectives

open access: yesELCVIA Electronic Letters on Computer Vision and Image Analysis, 2007
We propose a method for correction of camera roll in a perspectively distorted image. Here we employ the rectification of the horizon line formed from the vanishing points in order to bring back the image rotation caused from the camera roll.
Avinash N., S. Murali
doaj   +1 more source

A feedforward-moment-gyro-control for positioning wirelessly light-source and wireless- camera in laparoscopic instruments

open access: yesRevista de Ciencias Tecnológicas, 2018
This article presents a gyroscopic mechatronic system, which helps the laparoscopic surgeon to wirelessly control the zoom and panoramic position of a camera and a light source, adapted to a manipulator for minimally invasive surgery.
José Torres-Ventura   +4 more
doaj   +1 more source

RESEARCH ON THE KEY TECHNOLOGY OF UAV IN THE ACCURACY ASSESSMENT OF LAND COVER CLASSIFICATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
This paper uses UAV low-altitude aerial photography technology, equipped with orthophoto camera, tilt camera and LiDAR camera, to obtain and process high-precision evaluation data, which is used to evaluate the correctness of land cover classification ...
W. Gao   +5 more
doaj   +1 more source

An electronic pan/tilt/zoom camera system [PDF]

open access: yesGuidance, Navigation and Control Conference, 1992
A small camera system is described for remote viewing applications that employs fisheye optics and electronics processing for providing pan, tilt, zoom, and rotational movements. The fisheye lens is designed to give a complete hemispherical FOV with significant peripheral distortion that is corrected with high-speed electronic circuitry.
H. L. Martin, Steve Zimmermann
openaire   +2 more sources

A Tilt Receiver Correction Method for Visible Light Positioning Using Machine Learning Method

open access: yesIEEE Photonics Journal, 2018
In recent years, a visible light positioning (VLP) technology based on complementary metal-oxide-semiconductor sensors has been widely studied due to its high precision and high robustness. However, the existing VLP algorithm based on image sensors often
Tao Yuan   +4 more
doaj   +1 more source

Video Analysis in Pan-Tilt-Zoom Camera Networks [PDF]

open access: yesIEEE Signal Processing Magazine, 2010
Pan-tilt-zoom (PTZ) cameras are able to dynamically modify their field of view (FOV). This functionality introduces new capabilities to camera networks such as increasing the resolution of moving targets and adapting the sensor coverage. On the other hand, PTZ functionality requires solutions to new challenges such as controlling the PTZ parameters ...
MICHELONI, Christian   +2 more
openaire   +2 more sources

Cooperative Target Tracking by Multiagent Camera Sensor Networks via Gaussian Process

open access: yesIEEE Access, 2022
In this paper, we present learning-based robust cooperative control for camera sensor networks. The dynamics of each camera agent with the pan and tilt mechanism is modeled by the Euler-Lagrange equation.
Takashi Adachi   +2 more
doaj   +1 more source

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