Results 11 to 20 of about 121,669 (297)
A Comprehensive and Versatile Camera Model for Cameras with Tilt Lenses [PDF]
International Journal of Computer Vision, 2016 We propose camera models for cameras that are equipped with lenses that can be tilted in an arbitrary direction (often called Scheimpflug optics). The proposed models are comprehensive: they can handle all tilt lens types that are in common use for machine vision and consumer cameras and correctly describe the imaging geometry of lenses for which the ...
Carsten Steger
openaire +3 more sources
A Novel Monocular Vision Technique for the Detection of Electric Transmission Tower Tilting Trend
Applied Sciences, 2022 Transmission lines are primarily deployed overhead, and the transmission tower, acting as the fulcrum, can be affected by the unbalanced force of the wire and extreme weather, resulting in the transmission tower tilt, deformation, or collapse.
Yongsheng Yang +5 more
doaj +1 more source
STUDY OF DIGITAL CAMERA CALIBRATION ON A FLAT TEST OBJECT [PDF]
The 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
Reproducible Evaluation of Pan-Tilt-Zoom Tracking [PDF]
, 2015 Tracking with a Pan-Tilt-Zoom (PTZ) camera has been a research topic in computer vision for many years. However, it is very difficult to assess the progress that has been made on this topic because there is no standard evaluation methodology.
Bergevin, Robert +5 more
core +2 more sources
In-vivo pan/tilt endoscope with integrated light source [PDF]
, 2007 Endoscopic imaging is still dominated by the paradigm of pushing long sticks into small openings. This approach has a number of limitations for minimal access surgery, such as narrow angle imaging, limited workspace, counter-intuitive motions and ...
Allen, Peter K., Fowler, Dennis, Hu, Tie
core +3 more sources
PAN-TILT CAMERA SEBAGAI AKTUATOR PELACAK POSISI BOLA
Matrix: 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
A distributed camera system for multi-resolution surveillance [PDF]
, 2009 We describe an architecture for a multi-camera, multi-resolution surveillance system. The aim is to support a set of distributed static and pan-tilt-zoom (PTZ) cameras and visual tracking algorithms, together with a central supervisor unit.
Bellotto, Nicola +8 more
core +1 more source
Correction for Camera Roll in a Perspectively Distorted Image: Cases for 2 and 3 point perspectives
ELCVIA 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
Remote 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
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High-speed imaging and wavefront sensing with an infrared avalanche photodiode array [PDF]
, 2015 Infrared avalanche photodiode arrays represent a panacea for many branches of astronomy by enabling extremely low-noise, high-speed and even photon-counting measurements at near-infrared wavelengths.
Atkinson, Dani +6 more
core +3 more sources