Attitude Mounting Misalignment Estimation Method for the Calibration of UAV LiDAR System by using a TIN-based Corresponding Model
Authors: n Method for the Calibration of UAV LiDAR System by using a TIN-based Corresponding Model
Page No: 1-7
In traditional attitude mounting misalignment estimation methods for the calibration of unmanned autonomous vehicle (UAV) based light detection and ranging (LiDAR) system, signalized targets and iterative corresponding models are required, which makes it highly cost and computationally time-consuming. This paper presents an attitude mounting misalignment estimation (AMME) method for the calibration of UAV LiDAR system. The proposed method is divided into the coarse registration of LiDAR strips and the estimation of the attitude mounting misalignment. Firstly, 3D keypoints are extracted in the point clouds using the scale-invariant feature transform (SIFT) algorithm. Afterwards, the point feature transform (PFH) descriptor is used for 3D keypoint matching. Then, the coarse registration is executed. In the second part of the contribution, the systematic errors in the attitude mounting misalignment are estimated by incorporating the proposed triangular irregular network (TIN) corresponding model into the calibration modelling. Using the TIN-based corresponding model saves time and cost for AMME method. Furthermore, it provides two important effects: practical and computational, as no designed calibration boards, segmentation and iterative matching are needed. The performance of the proposed method is demonstrated under an UAV LiDAR data onboarded with lightweight navigation sensors. The experimental results show the efficacy of the method in comparison with a state-of-the-art method.
n Method for the Calibration of UAV LiDAR System by using a TIN-based Corresponding Model. (2024). Attitude Mounting Misalignment Estimation Method for the Calibration of UAV LiDAR System by using a TIN-based Corresponding Model. Journal of Computer Science, 24(1), 1-7.
Serial: 2
Protein and iron contents and bio accessibility in local modified diets for children aged 6 to 23 months in Bukoba, Tanzania
Micronutrient deficiencies often occur as part of a cycle of malnutrition and may be coupled with protein energy malnutrition. One of the measure to fight malnutrition is through participatory dietary modification was used. Five recipes of banana-based porridges from two EAHB ‘nshakala’ and AAB ‘bira’ banana varieties and three maize-based porridges were formulated in combination with other ingredients. The contents of Iron and protein in separate ingredients and in modified recipes were analysed using flame atomic absorption spectrophotometry and Kjeldahl´s method, respectively, and bio-accessibility of iron was estimated using invitro simulating gastrointestinal digestion method. Beans were a good source of both iron and protein while groundnuts flour was a good source of protein. Contribution of iron and protein in recommended daily allowance (RDA) ranged from 75.3 to 458% and 106 to 146% in a portion of 500g respectively. Iron bioaccessibility in all recipes ranged from 7.4% to 31.1%. Iron in porridge recipes (6OFSP, 7B) was more bio-accessible. The developed and improved recipes showed great potential of contributing substantially to iron and protein needs of children 6-23 months. The importance of food diversification for intake of iron and protein is discussed. Key words: Diet modification, children below five years, protein, iron bioaccessibility
Mbela Domina Esther Nkuba, Kinabo Joyce, Mwanri Akwilina Wendelin and Ekesa Beatrice. (2024). Protein and iron contents and bio accessibility in local modified diets for children aged 6 to 23 months in Bukoba, Tanzania. Journal of Computer Science, 24(1), 1-9.
Serial: 3
An Efficient Cryptosystem to Perform Encryption and Decryption of Data
Authors: Manila Vishwakarma and Sourabh Jain
Page No: 1-4
Indore Professional Studies Academy, Uttar Pradesh, India Abstract - The backbone of the modern world is electronic communication. Data is transferred from one place to another in almost no time using the electronic medium. But it also exposes the confidential data to the intruder. RSA is the most common and efficient cryptography technique that is used for the purpose of encrypting the content and then sending it over the channel, then than at receivers end the content is decrypted and converted in to original form. Although there are many security mechanisms are available. But there is a continuous need to improve the existing methods. Cryptography is a security mechanism which caters the security services of world in perfect manner.
Manila Vishwakarma and Sourabh Jain. (2024). An Efficient Cryptosystem to Perform Encryption and Decryption of Data. Journal of Computer Science, 24(1), 1-4.
Serial: 4
Functional foods: A market potential in need of evidence
Garduno-Diaz SD. (2024). Functional foods: A market potential in need of evidence. Journal of Computer Science, 24(1), 1-2.
Serial: 5
Bioactivity of methanolic seed extract of Barringtonia asiatica L. (Kurz) (Lecythidaceae) on biological characters of Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae)
Authors: Danar Dono, Wahyu D. Natawigena and Mubqi Ghaida Majid
Page No: 1-7
Plants are known to have various chemical compounds that have potential to be developed as insecticides. One of the potential plants to be developed as a source of insecticides is Barringtonia asiatica (Lecythidaceae). This research was conducted to determine toxicity of methanolic seed extract of Barringtonia asiatica to mortality and biological character of Spodoptera litura . The evaluation of toxicity was carried out using feeding method. Result of this research indicated that methanolic seed extract of B. asiatica had insecticidal activity with LC 50 at concentration of 0.30% and LC 90 at concentration of 0.80% in 13 days after treatment with LT 50 at 4.8 days. In addition, methanolic seed extract of B. asiatica caused decrease of larval weight, tend to increase duration time of development, reduced leaf consumption and decrease of egg amount oviposited by female of S. litura.
Danar Dono, Wahyu D. Natawigena and Mubqi Ghaida Majid. (2024). Bioactivity of methanolic seed extract of Barringtonia asiatica L. (Kurz) (Lecythidaceae) on biological characters of Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae). Journal of Computer Science, 24(1), 1-7.
Serial: 6
Decolonising the Museum: The Case of Zimbabwe Military Museum in Gweru
Authors: Forget Chaterera and VZ Nyawo
Page No: 1-7
The Zimbabwe Military Museum in Gweru seems to be struggling to come out of the colonial shell in which it was established. The permanent collection on display represents the kind of legacy which elevates the white settler ideologies. Through objects on di splay, supported with English text panels, the Zimbabwe Military Museum documents and memorialises in a seemingly celebratory manner, the colonial dominance. The task of this paper is to advocate for a national museum that claims both the past and the pres ent to construct a decolonised future for the local indigenous people. As public institutions whose purpose in life is to serve the public, museums in Zimbabwe need to seriously consider offering services that are meaningful and relevant to the local indig enous communities. For that noble obligation to be fulfilled, the local indigenous communities should be actively involved in museums' programmes and activities. Using the qualitative and quantitative methodologies the paper examines the Zimbabwe Military Museum's exhibitions, analysed the literature that goes with it and interviewed users and officials of the Zimbabwe Military Museum.
Forget Chaterera and VZ Nyawo. (2024). Decolonising the Museum: The Case of Zimbabwe Military Museum in Gweru. Journal of Computer Science, 24(1), 1-7.