scholarly journals Automatic 360° Mono-Stereo Panorama Generation Using a Cost-Effective Multi-Camera System

Sensors ◽  
2020 ◽  
Vol 20 (11) ◽  
pp. 3097 ◽  
Author(s):  
Hayat Ullah ◽  
Osama Zia ◽  
Jun Ho Kim ◽  
Kyungjin Han ◽  
Jong Weon Lee

In recent years, 360° videos have gained the attention of researchers due to their versatility and applications in real-world problems. Also, easy access to different visual sensor kits and easily deployable image acquisition devices have played a vital role in the growth of interest in this area by the research community. Recently, several 360° panorama generation systems have demonstrated reasonable quality generated panoramas. However, these systems are equipped with expensive image sensor networks where multiple cameras are mounted in a circular rig with specific overlapping gaps. In this paper, we propose an economical 360° panorama generation system that generates both mono and stereo panoramas. For mono panorama generation, we present a drone-mounted image acquisition sensor kit that consists of six cameras placed in a circular fashion with optimal overlapping gap. The hardware of our proposed image acquisition system is configured in such way that no user input is required to stitch multiple images. For stereo panorama generation, we propose a lightweight, cost-effective visual sensor kit that uses only three cameras to cover 360° of the surroundings. We also developed stitching software that generates both mono and stereo panoramas using a single image stitching pipeline where the panorama generated by our proposed system is automatically straightened without visible seams. Furthermore, we compared our proposed system with existing mono and stereo contents generation systems in both qualitative and quantitative perspectives, and the comparative measurements obtained verified the effectiveness of our system compared to existing mono and stereo generation systems.


2010 ◽  
Vol 39 ◽  
pp. 523-528
Author(s):  
Xin Hua Yang ◽  
Yuan Yuan Shang ◽  
Da Wei Xu ◽  
Hui Zhuo Niu

This paper introduces a design of a high-speed image acquisition system based on Avalon bus which is supported with SOPC technology. Some peripherals embedded in Avalon bus were customized and utilized in this system, such as imaging unit, decoding unit and storage unit, and these improved the speed of the whole imaging system. The data is compressed to three-fourths of the original by the decoding unit. A custom DMA is designed for moving the image data to the two caches of the SDRAM. This approach discards the method that FIFO must be put up in the traditional data acquisition system. And therefore, it reduced the CPU’s task for data moving. At the same time, the image acquisition and the data transmission can complete a parallel job. Finally, the design is worked on the high-speed image acquisition system which is made up of 2K*2K CMOS image sensor. And it improved the image acquisition speed by three ways: data encoding, custom DMA controller and the parallel processing.



2014 ◽  
Vol 668-669 ◽  
pp. 836-839
Author(s):  
Jun Chao Zhu ◽  
Yong Chen Li ◽  
Ying Kui Jiao ◽  
Zhi Jun Ma

It designs an image acquisition system of the camera based on FPGA. It uses a CMOS image sensor as the sensitive chip and controls the timing of image collection by designing the FPGA. FPGA transfers captured image into a PC to display. It uses the I2C bus to initiate CMOS sensor. A problem of cross-clock is solved by asynchronous FIFO. By the ping-pong operation based on two SDRAM chips to solve the problem of high speed data cache. The FPGA chip communicates signal data with PC by Ethernet port. The experiment proved that the system is able to collect 2048×1536 resolution images in a speed of 12fps.



2012 ◽  
Vol 548 ◽  
pp. 710-713
Author(s):  
Shu Ping Xu ◽  
Fei Chen

The image acquisition and porcessing system is implemented by combining the embed technology and image technology.This image acquisition system use S3C44B0X which base on ARM for its core proeessing,make use of the CMOS image sensor to collect images,it stores the image data for the moment with FIFO, resolves the rate problem between ARM and the sensor.In the system,CPLD are taken advantage of. This set of equipment combines functions of image acquisting,image displaying and network transferring and has an excellent expansibility which easy to be developed secondly.



2006 ◽  
Author(s):  
Hiroshi Shimamoto ◽  
Takayuki Yamashita ◽  
Ryohei Funatsu ◽  
Kohji Mitani ◽  
Yuji Nojiri


2014 ◽  
Vol 602-605 ◽  
pp. 2756-2760
Author(s):  
Yu Zhang ◽  
Chun Yang Wang

The system selected OmniVisiON company's CMOS chip OV7620, it is an integrated color camera chip, a 640 × 480 (300,000 pixels) image matrix. Considered that the CPLD control system is similar to the DMA mode of data transmission; Cypress's USB 2.0 chip is used by CY7C68013 chip. Finally, it is become the microcontroller firmware and device driver. The paper presents the design of Image acquisition system based on CMOS image sensor USB interface. Design an image acquisition and transmission system, and describes its firmware as well as the development of USB device drivers and PC-side application .



2007 ◽  
Author(s):  
Hiroshi Shimamoto ◽  
Takayuki Yamashita ◽  
Ryohei Funatsu ◽  
Kohji Mitani ◽  
Yuji Nojiri


2012 ◽  
Vol 461 ◽  
pp. 707-711
Author(s):  
Qing Hui Wang ◽  
Hua Ping Xue

This Article design a video image acquisition system implementations which is based on ADI Corporation Blackfin561 DSP , using OV7660 CMOS image sensor for the video input source and advanced JPEG2000 image compression algorithm under the operate system of the uClinux. It achieves a video image acquisition, processing and transmission. Test results show that the PC side you can see clearer images.



2014 ◽  
Vol 989-994 ◽  
pp. 3861-3864
Author(s):  
Zhi Yu Hu ◽  
Li Li

The system selected OmniVisiON company's CMOS chip OV7620, it is an integrated color camera chip, a 640 × 480 (300,000 pixels) image matrix. Considered that the CPLD control system is similar to the DMA mode of data transmission; Cypress's USB 2.0 chip is used by CY7C68013 chip. Finally, it is become the microcontroller firmware and device driver. The paper presents the design of Image acquisition system based on CMOS image sensor USB interface. Design an image acquisition and transmission system, and describes its firmware as well as the development of USB device drivers and PC-side application.



Author(s):  
James F. Mancuso

IBM PC compatible computers are widely used in microscopy for applications ranging from control to image acquisition and analysis. The choice of IBM-PC based systems over competing computer platforms can be based on technical merit alone or on a number of factors relating to economics, availability of peripherals, management dictum, or simple personal preference.IBM-PC got a strong “head start” by first dominating clerical, document processing and financial applications. The use of these computers spilled into the laboratory where the DOS based IBM-PC replaced mini-computers. Compared to minicomputer, the PC provided a more for cost-effective platform for applications in numerical analysis, engineering and design, instrument control, image acquisition and image processing. In addition, the sitewide use of a common PC platform could reduce the cost of training and support services relative to cases where many different computer platforms were used. This could be especially true for the microscopists who must use computers in both the laboratory and the office.



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