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117 results about "Omnidirectional camera" patented technology

In photography, an omnidirectional camera (from "omni", meaning all), also known as 360-degree camera, is a camera having a field of view that covers approximately the entire sphere or at least a full circle in the horizontal plane. Omnidirectional cameras are important in areas where large visual field coverage is needed, such as in panoramic photography and robotics.

Endoscope system

InactiveUS20070161853A1Improve physician 's diagnosis efficiencyImprove diagnostic efficiencySurgeryEndoscopesInjection portImaging processing
An endoscope that is free from a dead area and capable of preventing the physician from overlooking any nidus is an endoscope for taking the inside of digestive organs, and the endoscope is provided with an omnidirectional camera (32), a light (34), a forceps (36) and a rinse water injection port (38) at the tip (24). The omnidirectional camera (32) is a device for taking the inside of digestive organs, and is able to take 360-degree images of its surroundings. A probe-type endoscope (20) is provided with a receiver (26) composed of orthogonal coils, and the receiver (26) is used for estimating the position and attitude of the probe-type endoscope (20). An image taken by the omnidirectional camera (32) is presented on a display unit (28) of an image processing device (22) connected to the probe-type endoscope (20). In the image processing device, a video mosaicking process is performed on a plurality of images obtained by the omnidirectional camera (32) to generate a panoramic image of the inside of a digestive organ.
Owner:OSAKA UNIV

Monitoring system and monitoring method

In a sound source display system, an omnidirectional camera captures an image of a monitoring area. A microphone array collects a voice in the monitoring area. A monitoring monitor displays the image of an imaging area captured by the omnidirectional camera. A sound pressure calculator in a directivity control device calculates a sound pressure indicating a source of a sound in the image of the imaging area using voice data of the voice collected by the microphone array. An output controller in the directivity control device compares the sound pressure and threshold values (first threshold value, second threshold value), and causes sound image information in which the sound pressure is converted into visual information according to the result of comparison, to be displayed on the monitoring monitor so as to be superimposed on the image of the imaging area.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Condition Detection and Display System, Condition Detection and Display Method, Control Program for Condition Detection and Display System, and Storage Medium Storing the Control Program

In a condition detection and display system (100), an omnidirectional camera (1), internal condition sensors (3), external condition sensors (4), and others detect a condition of a vehicle and surroundings around the vehicle, image data which is a detection result obtained by the aforesaid members and contains an image of the vehicle is selected from an image database (6), and the selected image data is displayed on a liquid crystal panel (7) at a position close to a display of a speedometer.
Owner:SHARP KK

Fisheye rendering with lens distortion correction for 360-degree video

In various implementations, provided are systems and methods for correcting the distortion present in a fisheye image, and rendering the image for display as 360-degree video. In various implementations, a computing device can receive 2-dimensional video data captured by an omnidirectional camera. The computing device can map an image from each video frame to a 3-dimensional hemispherical representation. In various implementations, this mapping can be executed using a polynomial model. The 3-dimensional hemispherical representation can then be used in a 360-degree video presentation, to provide a virtual reality experience.
Owner:QUALCOMM INC

Omnidirectional Camera And Lens Hood

An omnidirectional camera comprises a camera assembly 2 having two or more horizontal camera units 6 provided radiantly and a cover 4 for accommodating the camera assembly, and in the omnidirectional camera, a lens hole 37, through which an objective lens of the horizontal camera units come out, is formed on the cover, a lens hood 38 is provided on the cover concentrically with the lens hole, the lens hood has a shape of surface which does not intercept a field angle of the horizontal camera units, and a maximum height of the lens hood is larger than a protruding amount of the objective lens from the cover.
Owner:KK TOPCON

Omnidirectional stereo vision three-dimensional rebuilding method based on Taylor series model

The invention discloses an omni-directional stereo vision three-dimensional reconstruction method based on Taylor series models. The method comprises the following: a step of calibrating a camera, which is to utilize a Taylor series model to calibrate an omni-directional vision sensor so as to obtain internal parameters of the camera; a step of obtaining epipolar geometric relation, which comprises the steps of calculating an essential matrix between binocular omni-directional cameras and extracting the rotation and translation component of the cameras; a step of correcting an outer polar line, which is to correct the outer polar line of a shot omni-directional stereo image so as to allow a corrected polar quadratic curve to coincide with an image scan line; and a step of three-dimensional reconstruction, which is to carry out feature point matching to the corrected stereo image and calculate the three-dimensional coordinates of points according to matching results. The method can be applicable to various omni-directional vision sensors, has the characteristics of wide application range and high precision, and can carry out effective three-dimensional reconstruction under the condition that the parameters of the omni-directional vision sensors are unknown.
Owner:ZHEJIANG UNIV

Special intelligent unmanned aerial vehicle for agriculture and forestry

The invention discloses a special intelligent unmanned aerial vehicle for agriculture and forestry. The special intelligent unmanned aerial vehicle is characterized by comprising an unmanned aerial vehicle airframe, wings, an unmanned aerial vehicle nose, a pesticide sprayer and fixed supports; a multi-rotor wing propeller is connected with the middle of the airframe through a lifting device; the multi-rotor wing propeller comprises a support tray, telescopic shafts and small-sized rotor wings; the six small-sized rotor wings are distributed on the periphery of the support tray; four propellers are distributed around; a motor is located at the lower side of each propeller; the lower side of each motor is provided with a sensor; an omnidirectional camera is located at the lower side of the unmanned aerial vehicle nose. The special intelligent unmanned aerial vehicle for the agriculture and forestry is not influenced by regions, and can arrive areas that working personnel cannot reach; through intelligent control, the special intelligent unmanned aerial vehicle is driven by means of the multiple rotor wings; the special intelligent unmanned aerial vehicle is used for detecting insect pests and spraying pesticides in the aspect of the agriculture and forestry; by processing photos transmitted back, people obtain favorable data; the special intelligent unmanned aerial vehicle has a very good effect.
Owner:山东佰盛能源科技有限公司

Single-chart self-calibration method of catadioptric omnibearing camera mirror plane pose

InactiveCN102184545ACalibration validImage analysisCamera lensEllipse
The invention discloses a single-chart self-calibration method of a catadioptric omnibearing camera mirror plane pose, comprising the following steps: firstly, calculating to obtain two candidate poses by using an ellipse fit by image points on the outer edge of the mirror plane in a collected image; respectively generating two groups of predicted formed images of the edge of a perspective camera by the two candidate poses; and comparing the two groups of predicted formed images with a practical lens formed image, wherein a candidate pose corresponding to the predicated formed image with small difference is a practical mirror plane pose, and necessary distance between a camera projection center and a practical lens edge in the calibration process is obtained by using an optimized search method. By using the method, the deficiency of the existing calibration method is overcome; under the condition that the mirror plane parameter and the perspective camera parameter are known, a rotary matrix and a translation vector between a reflection mirror surface and the perspective camera can be estimated only by one self-shooting image of the catadioptric omnibearing camera without other calibration objects. The calibration method has the characteristics of strong anti-interference performance and higher precision and is simple to operate.
Owner:ZHEJIANG UNIV
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