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1. Visualizing chemical indicators: Spatial and temporal quality formation and distribution during black tea fermentation

Author:
Yujie Wang; Zhengyu Ren; Yuyu Chen; Chengye Lu; Wei-Wei Deng; Zhengzhu Zhang; Jingming Ning
Source:
Food chemistry 2023 v.401 pp. 134090
ISSN:
0308-8146
Subject:
cameras,   etc   ; beverage industry; black tea; color; computer vision; fermentation; flavanols; food chemistry; least squares; prediction; theaflavins;     Show all 11 Subjects
Abstract:
... Fermentation is a key black tea processing step and makes an important contribution to quality formation. Current approaches to fermentation monitoring are costly or laboratory-based. Here, we first evaluated the potential of at-line computer vision for detecting fermentation quality in a tea factory. A self-built industrial camera was used to collect tea samples at various fermentation durations. ...
DOI:
10.1016/j.foodchem.2022.134090

2. Light-shading reaction microfluidic PMMA/paper detection system for detection of cyclamate concentration in foods

Author:
Chan-Chiung Liu; Chien-Hsuan Ko; Lung-Ming Fu; Yi-Ling Jhou
Source:
Food chemistry 2023 v.400 pp. 134063
ISSN:
0308-8146
Subject:
cameras,   etc   ; Fuchsia; computer software; food additives; food chemistry; liquid chromatography; mobile telephones; paper; sodium cyclamate; sugars; sweetness; tandem mass spectrometry; weight control;     Show all 13 Subjects
Abstract:
... Cyclamate is an artificial sweetener with high sweetness and low calories, and is a common sugar substitute for weight control and diabetic patients. However, excessive cyclamate consumption is associated with various health disorders, and hence it is prohibited as a food additive in many countries around the world. The current research proposes a light-shading reaction microfluidic PMMA/paper det ...
DOI:
10.1016/j.foodchem.2022.134063

3. Optimal estimation of broiler movement for commercial tracking

Author:
Henry Brunet; Didier Concordet
Source:
Smart agricultural technology 2023 v.3 pp. 100113
ISSN:
2772-3755
Subject:
cameras,   etc   ; algorithms; technology;     Show all 3 Subjects
Abstract:
... Nowadays, video tracking has taken a considerable part in monitoring systems. It allows identifying and follow every object in the camera field over time. While most of these algorithms are rather well suited to regular movements (following cars, pedestrians), they are often limited in more complex situations (high variations in speed, low detection rate, frequent shape variation). This paper prop ...
DOI:
10.1016/j.atech.2022.100113

4. Effect of Colloidal Interactions and Hydrodynamic Stress on Particle Deposition in a Single Micropore

Author:
Dae Yeon Kim; Seon Yeop Jung; Young Jin Lee; Kyung Hyun Ahn
Source:
Langmuir 2022 v.38 no.19 pp. 6013-6022
ISSN:
1520-5827
Subject:
cameras,   etc   ; hydrodynamics; polystyrenes;     Show all 3 Subjects
Abstract:
... Clogging is ubiquitous. It happens in a wide range of material processing and causes severe performance degradation or process breakdown. In this study, we investigate clogging dynamics in a single micropore by controlling the surface property of the particle and processing condition. Microfluidic observation is conducted to investigate particle deposition in a contraction microchannel where polys ...
DOI:
10.1021/acs.langmuir.2c00237

5. The Design of Cone and Pendulum Scanning Mode Using Dual-Camera with Multi-Dimensional Motion Imaging Micro-Nanosatellite

Author:
Zheng Zhi; Hongsong Qu; Shuping Tao; Liangliang Zheng; Shipeng Ying; Heqian Zhu
Source:
Remote Sensing 2022 v.14 no.18 pp. -
ISSN:
2072-4292
Subject:
cameras,   etc   ; prototypes; satellites;     Show all 3 Subjects
Abstract:
... This paper focuses on the design of a new optical cone and pendulum scanning imaging mode for micro-nanosatellites. This kind of satellite uses a high-resolution camera with a small imaging plane to achieve high-resolution and ultra-wide coverage imaging through the three-dimensional motion of the camera’s wobble, satellite spin, and satellite orbital motion. First, this paper designs a single-cam ...
DOI:
10.3390/rs14184613

6. Population of Degrading Small Impact Craters in the Chang’E-4 Landing Area Using Descent and Ground Images

Author:
Teng Hu; Ze Yang; Zhizhong Kang; Hongyu Lin; Jie Zhong; Dongya Zhang; Yameng Cao; Haomin Geng
Source:
Remote Sensing 2022 v.14 no.15 pp. -
ISSN:
2072-4292
Subject:
cameras,   etc   ; geology; landscapes;     Show all 3 Subjects
Abstract:
... The landing camera (LCAM) of Chang’e-4 lander provides a series of low (46 cm/pixel) to high (2.3 cm/pixel) resolution images, which are suitable for centimeter-scale craters. In this paper, we analyze the degradation of those small-sized craters to provide detailed information on the local geological evolution of the lunar surface. From the mosaicked descent image, 6316 craters were extracted and ...
DOI:
10.3390/rs14153608

7. Simulation, image generation, and tomographic reconstruction of idealized volcanic plumes

Author:
T. Etchells; L. Berthoud; A. Calway; M. Watson; K. Wood
Source:
International journal of remote sensing 2022 v.43 no.11 pp. 4208-4232
ISSN:
1366-5901
Subject:
cameras,   etc   ; tomography; volcanic ash;     Show all 3 Subjects
Abstract:
... This paper presents a volcanic plume simulation and image generation framework, alongside a method for the tomographic reconstruction of volcanic ash plumes. The simulation framework facilitates the generation and processing of imagery analogous to that produced by real-world multi-spectral infrared observations of volcanic emissions. With this required imagery simulated, methods for the tomograph ...
DOI:
10.1080/01431161.2022.2107409

8. Study on the throwing mechanism and loss characteristics of three-dimensional disturbance comb

Author:
Jinwu Wang; Changsu Xu; Liquan Tian; Jinshuang Wang; Han Tang
Source:
Computers and electronics in agriculture 2022 v.201 pp. 107283
ISSN:
0168-1699
Subject:
cameras,   etc   ; agriculture; electronics; rice;     Show all 4 Subjects
Abstract:
... To reduce rice harvest loss and explore the performance of different combs for threshing prior to cutting, a three-dimensional tip disturbance comb and a three-dimensional bionic disturbance comb were designed. Based on high-speed camera technology and bench tests, the throwing mechanisms, distribution characteristics and loss rates of three kinds of combs, including primitive plane angular combs, ...
DOI:
10.1016/j.compag.2022.107283

9. Updating thermal imaging dataset of hand gestures with unique labels

Author:
Sreenivasa Reddy Yeduri; Daniel Skomedal Breland; Om Jee Pandey; Linga Reddy Cenkeramaddi
Source:
Data in Brief 2022 v.42 pp. 108037
ISSN:
2352-3409
Subject:
cameras,   etc   ; color; data collection;     Show all 3 Subjects
Abstract:
... An update to the previously published low resolution thermal imaging dataset is presented in this paper. The new dataset contains high resolution thermal images corresponding to various hand gestures captured using the FLIR Lepton 3.5 thermal camera and Purethermal 2 breakout board. The resolution of the camera is 160×120 with calibrated array of 19,200 pixels. The images captured by the thermal c ...
DOI:
10.1016/j.dib.2022.108037

10. Evaluation of Test Field-based Calibration and Self-calibration Models of UAV Integrated Compact Cameras

Author:
Gülüstan Kılınç Kazar; Hakan Karabörk; Hasan Bilgehan Makineci
Source:
Journal of the Indian Society of Remote Sensing 2022 v.50 no.1 pp. 13-23
ISSN:
0255-660X
Subject:
cameras,   etc   ; computer software; photogrammetry;     Show all 3 Subjects
Abstract:
... Unmanned aerial vehicles (UAVs), which have made a name for themselves in photogrammetry studies in recent years, provide users with integrated camera systems. Identifying interior orientation parameters, such as focal coordinates, focal length and distortions, is an essential requirement for camera systems used for photogrammetric purposes. This process, which is called camera calibration, is off ...
DOI:
10.1007/s12524-021-01454-y

11. An Image Compensation Method for the Camera Onboard SDLT-1 Satellite of China

Author:
Jie Huang; Juntong Xi
Source:
Journal of the Indian Society of Remote Sensing 2022 v.50 no.9 pp. 1641-1650
ISSN:
0255-660X
Subject:
cameras,   etc   ; deformation; satellites; China;     Show all 4 Subjects
Abstract:
... For geostationary satellite, small motion of the satellite platform will tremendously deviate the line of sight (LOS) of the imager and an image compensation method (ICM) is needed to ensure the accuracy of the image navigation and registration (INR) of such satellite. Some geostationary satellites share the same characteristic that the detectors are all small (FY-4 has 16 pixels in line), which m ...
DOI:
10.1007/s12524-022-01555-2

12. Image-Based Adaptive Staring Attitude Control for Multiple Ground Targets Using a Miniaturized Video Satellite

Author:
Chao Song; Caizhi Fan; Mengmeng Wang
Source:
Remote Sensing 2022 v.14 no.16 pp. -
ISSN:
2072-4292
Subject:
cameras,   etc   ; control methods; satellites;     Show all 3 Subjects
Abstract:
... A miniaturized video satellite can observe the ground targets by recording real-time video clips in staring control mode and therefore obtains a unique advantage over traditional remote sensing techniques. To further extend the application of a video satellite, a strategy for simultaneously observing a group of ground targets is to be developed. To cope with the impacts of an uncalibrated camera o ...
DOI:
10.3390/rs14163974

13. Jitter Detection Method Based on Sequence CMOS Images Captured by Rolling Shutter Mode for High-Resolution Remote Sensing Satellite

Author:
Ying Zhu; Tingting Yang; Mi Wang; Hanyu Hong; Yaozong Zhang; Lei Wang; Qilong Rao
Source:
Remote Sensing 2022 v.14 no.2 pp. -
ISSN:
2072-4292
Subject:
cameras,   etc   ; data collection; satellites;     Show all 3 Subjects
Abstract:
... Satellite platform jitter is a non-negligible factor that affects the image quality of optical cameras. Considering the limitations of traditional platform jitter detection methods that are based on attitude sensors and remote sensing images, this paper proposed a jitter detection method using sequence CMOS images captured by rolling shutter for high-resolution remote sensing satellite. Through th ...
DOI:
10.3390/rs14020342

14. On-Orbit Calibration for Spaceborne Line Array Camera and LiDAR

Author:
Xiangpeng Xu; Sheng Zhuge; Banglei Guan; Bin Lin; Shuwei Gan; Xia Yang; Xiaohu Zhang
Source:
Remote Sensing 2022 v.14 no.12 pp. -
ISSN:
2072-4292
Subject:
cameras,   etc   ; lidar; models; satellites;     Show all 4 Subjects
Abstract:
... For a multi-mode Earth observation satellite carrying a line array camera and a multi-beam line array LiDAR, the relative installation attitude of the two sensors is of great significance. In this paper, we propose an on-orbit calibration method for the relative installation attitude of the camera and the LiDAR with no need for the calibration field and additional satellite attitude maneuvers. Fir ...
DOI:
10.3390/rs14122949

15. Analysis of the First Optical Detection of a Meteoroidal Impact on the Lunar Surface Recorded from Brazil

Author:
David Duarte Cavalcante Pinto; Masahisa Yanagisawa; Marcelo Luiz do Prado Villarroel Zurita; Romualdo Arthur Alencar Caldas; Marcelo Domingues; Rafaela Lisboa Costa; Rodrigo Lins da Rocha Júnior; Fabrício Daniel dos Santos Silva; Heliofábio Barros Gomes; Helber Barros Gomes; Maria Luciene Dias de Melo; Lucas de Morais Teixeira; Ernande Roberto da Silva Júnior; Neftali Dias Cavalcante Junior; Dirceu Luís Herdies
Source:
Remote Sensing 2022 v.14 no.13 pp. -
ISSN:
2072-4292
Subject:
cameras,   etc   ; photometry; streams; Brazil;     Show all 4 Subjects
Abstract:
... Two lunar flashes are reported and fully analyzed, with one of them fulfilling every criterion preconized in the literature for the characterization of an impact, including confirmation by two simultaneous observations. It happened at 07:13:46 UT on 14 December 2017, at the selenographic coordinates of 9.79° (±0.06°)N and 45.42 (±0.07°)E. The peak magnitudes in the R and V bands vary from 6.3 to 7 ...
DOI:
10.3390/rs14132974

16. Automatic length estimation of free-swimming fish using an underwater 3D range-gated camera

Author:
Petter Risholm; Ahmed Mohammed; Trine Kirkhus; Sigmund Clausen; Leonid Vasilyev; Ole Folkedal; Øistein Johnsen; Karl Henrik Haugholt; Jens Thielemann
Source:
Aquacultural engineering 2022 v.97 pp. 102227
ISSN:
0144-8609
Subject:
cameras,   etc   ; algorithms; biomass; fish;     Show all 4 Subjects
Abstract:
... Camera estimation of fish size in aquaculture production and fisheries is crucial for enabling knowledge-based decision making. Automatic estimation of fish lengths on an individual and population basis are key steps to automate biomass estimation. We propose to use an underwater 3D range-gated camera for accurate fish-length estimation of free-swimming fish. The proposed algorithm requires no man ...
DOI:
10.1016/j.aquaeng.2022.102227

17. A novel approach to port noise characterization using an acoustic camera

Author:
Johan Augusto Bocanegra; Davide Borelli; Tomaso Gaggero; Enrico Rizzuto; Corrado Schenone
Source:
Science of the total environment 2022 v.808 pp. 151903
ISSN:
0048-9697
Subject:
cameras,   etc   ; acoustics; environment; microphones;     Show all 4 Subjects
Abstract:
... Acoustic cameras are powerful instruments combining an optical camera with a microphone array to obtain information about power and location of noise sources. The main aim of this study is to identify key points in the application of an acoustic camera to the characterization of port noise. An experimental campaign was carried out in the seaport of Genoa. Based on this experience, a SWOT (Strength ...
DOI:
10.1016/j.scitotenv.2021.151903

18. DGS-SLAM: A Fast and Robust RGBD SLAM in Dynamic Environments Combined by Geometric and Semantic Information

Author:
Li Yan; Xiao Hu; Leyang Zhao; Yu Chen; Pengcheng Wei; Hong Xie
Source:
Remote Sensing 2022 v.14 no.3 pp. -
ISSN:
2072-4292
Subject:
cameras,   etc   ; data collection; geometry; models;     Show all 4 Subjects
Abstract:
... Visual Simultaneous Localization and Mapping (VSLAM) is a prerequisite for robots to accomplish fully autonomous movement and exploration in unknown environments. At present, many impressive VSLAM systems have emerged, but most of them rely on the static world assumption, which limits their application in real dynamic scenarios. To improve the robustness and efficiency of the system in dynamic env ...
DOI:
10.3390/rs14030795

19. Effect of time-of-day on freestyle flip turn performance: influence on 50 m event

Author:
Salah Ferchichi; Yana Taktak; Seifeddine Ferchichi; Heni Taktak; Nizar Souissi
Source:
Biological rhythm research 2022 v.53 no.10 pp. 1483-1495
ISSN:
1744-4179
Subject:
cameras,   etc   ; biological rhythms; research; temperature;     Show all 4 Subjects
Abstract:
... The aim of this study is to examine the daytime effects on flip turn performance [i.e., 3 m round trip time (3mRTT) as measure of turning performance] as well as global performance during a 50 m freestyle at maximal speed. Twelve college swimmers performed 3 × 50 m freestyle at maximum speed with a flip turn and glide in a 25 m pool in two experimental trials, one in the morning (08:00 h) and one ...
DOI:
10.1080/09291016.2021.1963530

20. Evaluation of radiometric calibration of drone-based imagery for improving shallow bathymetry retrieval

Author:
Evangelos Alevizos; Dimitrios D. Alexakis
Source:
Remote sensing letters 2022 v.13 no.3 pp. 311-321
ISSN:
2150-7058
Subject:
cameras,   etc   ; computer software; radiometry; reflectance;     Show all 4 Subjects
Abstract:
... Extracting high resolution, shallow bathymetry from drone-based imagery using empirical methods is a novel approach that gains increasing interest. However, due to the rapidly expanding character of this field, there are not sufficient guidelines for optimal pre-processing of drone-based imagery regarding bathymetry retrieval. This study explores the suitability of imagery resulted from commonly u ...
DOI:
10.1080/2150704X.2022.2030068