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9,367 Results Found

  • Article
  • Open Access
8 Citations
2,066 Views
20 Pages

The management of individual weights in broiler farming is not only crucial for increasing farm income but also directly linked to the revenue growth of integrated broiler companies, necessitating prompt resolution. This paper proposes a model to est...

  • Article
  • Open Access
6 Citations
4,354 Views
23 Pages

A Machine Learning-Based Method for Pig Weight Estimation and the PIGRGB-Weight Dataset

  • Xintong Ji,
  • Qifeng Li,
  • Kaijun Guo,
  • Weihong Ma,
  • Mingyu Li,
  • Zhankang Xu,
  • Simon X. Yang and
  • Zhiyu Ren

Traditional pig weighing methods are costly, require driving pigs onto electronic scales, and cannot collect real-time data without interference. Pig weight estimation using deep learning often demands significant computational resources and lacks re...

  • Communication
  • Open Access
13 Citations
5,382 Views
10 Pages

Evaluation of the Accuracy of Horse Body Weight Estimation Methods

  • Wanda Górniak,
  • Martyna Wieliczko,
  • Maria Soroko and
  • Mariusz Korczyński

26 September 2020

Methods of estimating horse body weight using mathematical formulae have better accuracy than methods of reading body weight from measuring tape. The aim of the study was to evaluate established formulae for estimating horse body weight from data gat...

  • Review
  • Open Access
7 Citations
7,228 Views
28 Pages

A Review of Visual Estimation Research on Live Pig Weight

  • Zhaoyang Wang,
  • Qifeng Li,
  • Qinyang Yu,
  • Wentai Qian,
  • Ronghua Gao,
  • Rong Wang,
  • Tonghui Wu and
  • Xuwen Li

4 November 2024

The weight of live pigs is directly related to their health, nutrition management, disease prevention and control, and the overall economic benefits to livestock enterprises. Direct weighing can induce stress responses in pigs, leading to decreased p...

  • Article
  • Open Access
24 Citations
5,771 Views
12 Pages

Machine Learning-Based Live Weight Estimation for Hanwoo Cow

  • Changgwon Dang,
  • Taejeong Choi,
  • Seungsoo Lee,
  • Soohyun Lee,
  • Mahboob Alam,
  • Mina Park,
  • Seungkyu Han,
  • Jaegu Lee and
  • Duytang Hoang

5 October 2022

Live weight monitoring is an important step in Hanwoo (Korean cow) livestock farming. Direct and indirect methods are two available approaches for measuring live weight of cows in husbandry. Recently, thanks to the advances of sensor technology, data...

  • Article
  • Open Access
6 Citations
2,956 Views
11 Pages

Observer Influence with Other Variables on the Accuracy of Ultrasound Estimation of Fetal Weight at Term

  • Mariola Sánchez-Fernández,
  • Maria E. Corral,
  • Longinos Aceituno,
  • Marina Mazheika,
  • Nicolás Mendoza and
  • Juan Mozas-Moreno

27 February 2021

Background and Objectives: The accuracy with which the estimation of fetal weight (EFW) at term is determined is useful in order to address obstetric complications, since it is a parameter that represents an important prognostic factor for perinatal...

  • Article
  • Open Access
1,476 Views
16 Pages

3D Camera-Based Body Weight Estimation Using Artificial Intelligence in Emergency Care Settings

  • Vivek Ganesh Sonar,
  • Muhammad Tanveer Jan,
  • Abhijit Pandya,
  • Mike Wells,
  • Gabriella Engstrom,
  • Richard Shih and
  • Borko Furht

21 November 2025

Background/Objectives: Accurate patient weight estimation is critical for safe and effective drug dosing in emergency and critical care settings. Inaccurate estimates exceeding a 10% deviation from true weight can result in significant dosing errors...

  • Article
  • Open Access
18 Citations
5,009 Views
20 Pages

A New Approach to Calibrating Functional Complexity Weight in Software Development Effort Estimation

  • Vo Van Hai,
  • Ho Le Thi Kim Nhung,
  • Zdenka Prokopova,
  • Radek Silhavy and
  • Petr Silhavy

22 January 2022

Function point analysis is a widely used metric in the software industry for development effort estimation. It was proposed in the 1970s, and then standardized by the International Function Point Users Group, as accepted by many organizations worldwi...

  • Article
  • Open Access
5 Citations
2,245 Views
13 Pages

10 September 2024

The meat industry is closely related to people’s daily lives and health, and with the growing global population and increasing demand for meat, the development of efficient pig farming technology is particularly important. However, China’...

  • Article
  • Open Access
11 Citations
6,593 Views
13 Pages

23 February 2023

Weight information is important in cattle breeding because it can measure animal growth and be used to calculate the appropriate amount of daily feed. To estimate the weight, we developed an image-based method that does not stress cattle and requires...

  • Article
  • Open Access
14 Citations
5,039 Views
23 Pages

Body Weight Estimation for Pigs Based on 3D Hybrid Filter and Convolutional Neural Network

  • Zihao Liu,
  • Jingyi Hua,
  • Hongxiang Xue,
  • Haonan Tian,
  • Yang Chen and
  • Haowei Liu

7 September 2023

The measurement of pig weight holds significant importance for producers as it plays a crucial role in managing pig growth, health, and marketing, thereby facilitating informed decisions regarding scientific feeding practices. On one hand, the conven...

  • Article
  • Open Access
324 Views
25 Pages

Semantically Guided 3D Reconstruction and Body Weight Estimation Method for Dairy Cows

  • Jinshuo Zhang,
  • Xinzhong Wang,
  • Hewei Meng,
  • Junzhu Huang,
  • Xinran Zhang,
  • Kuizhou Zhou,
  • Yaping Li and
  • Huijie Peng

To address the low efficiency and stress-inducing nature of traditional manual weighing for dairy cows, this study proposes a semantically guided 3D reconstruction and body weight estimation method for dairy cows. First, a dual-viewpoint Kinect V2 ca...

  • Article
  • Open Access
7 Citations
7,717 Views
19 Pages

Automated Food Weight and Content Estimation Using Computer Vision and AI Algorithms

  • Bryan Gonzalez,
  • Gonzalo Garcia,
  • Sergio A. Velastin,
  • Hamid GholamHosseini,
  • Lino Tejeda and
  • Gonzalo Farias

29 November 2024

The work aims to leverage computer vision and artificial intelligence technologies to quantify key components in food distribution services. Specifically, it focuses on dish counting, content identification, and portion size estimation in a dining ha...

  • Article
  • Open Access
7 Citations
3,947 Views
20 Pages

Towards the Estimation of Body Weight in Sheep Using Metaheuristic Algorithms from Biometric Parameters in Microsystems

  • Enrique Camacho-Pérez,
  • Alfonso Juventino Chay-Canul,
  • Juan Manuel Garcia-Guendulain and
  • Omar Rodríguez-Abreo

16 August 2022

The Body Weight (BW) of sheep is an important indicator for producers. Genetic management, nutrition, and health activities can benefit from weight monitoring. This article presents a polynomial model with an adjustable degree for estimating the weig...

  • Article
  • Open Access
26 Citations
6,354 Views
28 Pages

Non-Intrusive Fish Weight Estimation in Turbid Water Using Deep Learning and Regression Models

  • Naruephorn Tengtrairat,
  • Wai Lok Woo,
  • Phetcharat Parathai,
  • Damrongsak Rinchumphu and
  • Chatchawan Chaichana

10 July 2022

Underwater fish monitoring is the one of the most challenging problems for efficiently feeding and harvesting fish, while still being environmentally friendly. The proposed 2D computer vision method is aimed at non-intrusively estimating the weight o...

  • Article
  • Open Access
23 Citations
4,485 Views
13 Pages

30 April 2019

Accurately estimating the weight of a moving vehicle at normal speed remains a challenging problem due to the complex vehicle dynamics and vehicle–pavement interaction. The weighing technique based on multiple sensors has proven to be an effect...

  • Article
  • Open Access
5 Citations
3,888 Views
18 Pages

An Individualized Machine Learning Approach for Human Body Weight Estimation Using Smart Shoe Insoles

  • Foram Sanghavi,
  • Obafemi Jinadu,
  • Victor Oludare,
  • Karen Panetta,
  • Landry Kezebou and
  • Susan B. Roberts

25 August 2023

Rapid significant weight fluctuations can indicate severe health conditions such as edema due to congestive heart failure or severe dehydration that could require prompt intervention. Daily body weighing does not accurately represent the patient&rsqu...

  • Proceeding Paper
  • Open Access
3 Citations
2,060 Views
4 Pages

Depth Image Selection Based on Posture for Calf Body Weight Estimation

  • Yuki Yamamoto,
  • Takenao Ohkawa,
  • Chikara Ohta,
  • Kenji Oyama and
  • Ryo Nishide

25 November 2021

We are developing a system to estimate body weight using calf depth images taken in a loose barn. For this purpose, depth images should be taken from the side, without calves overlapping and without their backs bent. However, most of the depth images...

  • Article
  • Open Access
14 Citations
4,540 Views
20 Pages

Estimation of Weight and Body Measurement Model for Pigs Based on Back Point Cloud Data

  • Yao Liu,
  • Jie Zhou,
  • Yifan Bian,
  • Taishan Wang,
  • Hongxiang Xue and
  • Longshen Liu

29 March 2024

Pig farming is a crucial sector in global animal husbandry. The weight and body dimension data of pigs reflect their growth and development status, serving as vital metrics for assessing their progress. Presently, pig weight and body dimensions are p...

  • Article
  • Open Access
557 Views
14 Pages

Automated Food Weight and Content Estimation Using Computer Vision and AI Algorithms: Phase 2

  • Bryan Gonzalez,
  • Gonzalo Garcia,
  • Sergio A. Velastin,
  • Hamid GholamHosseini,
  • Lino Tejeda,
  • Heilym Ramirez and
  • Gonzalo Farias

22 December 2025

The work aims to leverage computer vision and artificial intelligence technologies to quantify key components in food catering services. Specifically, it focuses on content identification and portion size estimation in a dining hall setting, typical...

  • Article
  • Open Access
9 Citations
3,464 Views
16 Pages

Banana Bunch Weight Estimation and Stalk Central Point Localization in Banana Orchards Based on RGB-D Images

  • Lei Zhou,
  • Zhou Yang,
  • Fuqin Deng,
  • Jianmin Zhang,
  • Qiong Xiao,
  • Lanhui Fu and
  • Jieli Duan

24 May 2024

Precise detection and localization are prerequisites for intelligent harvesting, while fruit size and weight estimation are key to intelligent orchard management. In commercial banana orchards, it is necessary to manage the growth and weight of banan...

  • Article
  • Open Access
78 Views
24 Pages

27 February 2026

In precision aquaculture, feeding automation becomes particularly challenging when the dispenser operates on a non-fixed platform, as its dynamic behavior introduces perturbations that hinder accurate balance measurement and complicate dispenser cont...

  • Article
  • Open Access
4 Citations
2,144 Views
14 Pages

The quality of radish roots depends largely on its cultivar, production environment, and postharvest management along the supply chain. Quality monitoring of fresh products is of utmost importance during the postharvest period. The purpose of this st...

  • Article
  • Open Access
12 Citations
3,799 Views
14 Pages

Pig Weight Estimation Method Based on a Framework Combining Mask R-CNN and Ensemble Regression Model

  • Sheng Jiang,
  • Guoxu Zhang,
  • Zhencai Shen,
  • Ping Zhong,
  • Junyan Tan and
  • Jianfeng Liu

20 July 2024

Using computer vision technology to estimate pig live weight is an important method to realize pig welfare. But there are two key issues that affect pigs’ weight estimation: one is the uneven illumination, which leads to unclear contour extract...

  • Article
  • Open Access
9 Citations
4,653 Views
19 Pages

Analyzing Data Modalities for Cattle Weight Estimation Using Deep Learning Models

  • Hina Afridi,
  • Mohib Ullah,
  • Øyvind Nordbø,
  • Solvei Cottis Hoff,
  • Siri Furre,
  • Anne Guro Larsgard and
  • Faouzi Alaya Cheikh

We investigate the impact of different data modalities for cattle weight estimation. For this purpose, we collect and present our own cattle dataset representing the data modalities: RGB, depth, combined RGB and depth, segmentation, and combined segm...

  • Article
  • Open Access
19 Citations
5,976 Views
26 Pages

20 August 2018

Direct Position Estimation (DPE) is a rather new Global Navigation Satellite System (GNSS) technique to estimate the user position, velocity and time (PVT) directly from correlation values of the received GNSS signal with receiver internal replica si...

  • Article
  • Open Access
15 Citations
4,724 Views
22 Pages

An Improved Method for Broiler Weight Estimation Integrating Multi-Feature with Gradient Boosting Decision Tree

  • Ximing Li,
  • Jingyi Wu,
  • Zeyong Zhao,
  • Yitao Zhuang,
  • Shikai Sun,
  • Huanlong Xie,
  • Yuefang Gao and
  • Deqin Xiao

1 December 2023

Broiler weighing is essential in the broiler farming industry. Camera-based systems can economically weigh various broiler types without expensive platforms. However, existing computer vision methods for weight estimation are less mature, as they foc...

  • Article
  • Open Access
1,230 Views
15 Pages

Two-Stream Bidirectional Interaction Network Based on RGB-D Images for Duck Weight Estimation

  • Diqi Zhu,
  • Shan Bian,
  • Xiaofeng Xie,
  • Chuntao Wang and
  • Deqin Xiao

6 April 2025

An automated non-contact weight measurement method for ducks is beneficial for preventing the stress response of ducks and, thus, promoting their healthy development. We propose a two-stream bidirectional interaction network that depends on RGB-D pic...

  • Article
  • Open Access
75 Citations
9,845 Views
13 Pages

6 May 2021

Pig weight and body size are important indicators for producers. Due to the increasing scale of pig farms, it is increasingly difficult for farmers to quickly and automatically obtain pig weight and body size. Due to this problem, we focused on a mul...

  • Article
  • Open Access
13 Citations
3,959 Views
10 Pages

27 July 2022

Assessing the biomass of zooplankton compensates for the difference between number of individuals and the accumulated body weight of the community, which helps assess aquatic ecosystem food web functions. Daphnia are crustaceans that play an intermed...

  • Article
  • Open Access
1,261 Views
14 Pages

Underwater Weight Estimation of Three Sea Cucumber Species in Culture Tanks Using Image Analysis and ArUco Markers

  • Roongparit Jongjaraunsuk,
  • Saroj Rermdumri,
  • Kanokwan Khaodon,
  • Alongot Intarachart and
  • Wara Taparhudee

13 April 2025

Sea cucumbers play a vital role in marine and coastal ecosystems, with some species holding significant economic value. Accurate growth assessment, particularly weight estimation, is crucial for their management and conservation. However, direct meas...

  • Article
  • Open Access
9 Citations
3,616 Views
11 Pages

Designing Statistical Models for Holstein Rearing Heifers’ Weight Estimation from Birth to 15 Months Old Using Body Measurements

  • Luca Turini,
  • Giuseppe Conte,
  • Francesca Bonelli,
  • Alessio Madrigali,
  • Brenno Marani,
  • Micaela Sgorbini and
  • Marcello Mele

22 June 2021

Body measurements could be used to estimate body weight (BW) with no need for a scale. The aim was to estimate heifers weight based on their body dimension characteristics. Twenty-five Holstein heifers represent the study group (SG); another 13 anima...

  • Article
  • Open Access
5 Citations
2,678 Views
7 Pages

Differences in Biometric Fetal Weight Estimation Accuracy and Doppler Examination Results in Uncomplicated Term Singleton Pregnancies between Vertex and Breech Presentation

  • Lukas Jennewein,
  • Simon Theissen,
  • Hemma Roswitha Pfeifenberger,
  • Nadja Zander,
  • Kyra Fischer,
  • Christine Eichbaum and
  • Frank Louwen

23 July 2021

Doppler examination of the umbilical artery and the fetal middle cerebral artery is evaluated predominantly in pregnancies with fetuses in cephalic presentation and never has been elucidated in breech presentation. Evidence on the accuracy of fetal w...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,614 Views
18 Pages

22 January 2025

This study aims to explore body weight estimation for cattle in both standing and lying postures, using 3D data. We apply a Unmanned Aerial Vehicle-based (UAV-based) LiDAR system to collect data during routine resting periods between feedings in the...

  • Article
  • Open Access
290 Views
9 Pages

Extracting Weight of Evidence from p-Value via Bayesian Approach to Activation Likelihood Estimation Meta-Analysis

  • Tommaso Costa,
  • Jordi Manuello,
  • Franco Cauda,
  • Annachiara Crocetta and
  • Donato Liloia

12 January 2026

Background: p-values are ubiquitous in scientific research, yet they fundamentally fail to quantify the strength of evidence for or against competing hypotheses. This limitation is particularly problematic in neuroimaging meta-analyses, where researc...

  • Article
  • Open Access
12 Citations
3,785 Views
17 Pages

Accurate feeding management in aquaculture relies on assessing the average weight of aquatic animals during their growth stages. The traditional method involves using a labor-intensive approach and may impact the well-being of fish. The current resea...

  • Article
  • Open Access
2 Citations
1,953 Views
13 Pages

Estimation of Weighted Extropy with Focus on Its Use in Reliability Modeling

  • Muhammed Rasheed Irshad,
  • Krishnakumar Archana,
  • Radhakumari Maya and
  • Maria Longobardi

11 February 2024

In the literature, estimation of weighted extropy is infrequently considered. In this paper, some non-parametric estimators of weighted extropy are given. The validation and comparison of the estimators are implemented with the help of simulation stu...

  • Article
  • Open Access
7 Citations
5,130 Views
13 Pages

Many estimation methods have been proposed for the parameters of statistical distribution. The least squares estimation method, based on a regression model or probability plot, is frequently used by practitioners since its implementation procedure is...

  • Article
  • Open Access
4 Citations
3,048 Views
19 Pages

21 May 2024

In order to avoid the loss of optimality of the optimal weighting factor in some cases and to further reduce the estimation error of an unbiased estimator, a multi-sensor adaptive weighted data fusion algorithm based on biased estimation is proposed....

  • Article
  • Open Access
24 Citations
2,223 Views
14 Pages

Harnack Estimation for Nonlinear, Weighted, Heat-Type Equation along Geometric Flow and Applications

  • Yanlin Li,
  • Sujit Bhattacharyya,
  • Shahroud Azami,
  • Apurba Saha and
  • Shyamal Kumar Hui

30 May 2023

The method of gradient estimation for the heat-type equation using the Harnack quantity is a classical approach used for understanding the nature of the solution of these heat-type equations. Most of the studies in this field involve the Laplace&ndas...

  • Article
  • Open Access
602 Views
10 Pages

30 June 2025

A biharmonic boundary value problem with a singularity is one of the mathematical models of processes in fracture mechanics. It is necessary to have estimates of the function norms in the neighborhood of the singularity point to study the existence a...

  • Article
  • Open Access
1,086 Views
18 Pages

Estimation of Weighted Extropy Under the α-Mixing Dependence Condition

  • Radhakumari Maya,
  • Archana Krishnakumar,
  • Muhammed Rasheed Irshad and
  • Christophe Chesneau

1 May 2025

Introduced as a complementary concept to Shannon entropy, extropy provides an alternative perspective for measuring uncertainty. While useful in areas such as reliability theory and scoring rules, extropy in its original form treats all outcomes equa...

  • Article
  • Open Access
6 Citations
2,550 Views
29 Pages

9 February 2023

Multiscale estimation for geographically weighted regression (GWR) and the related models has attracted much attention due to their superiority. This kind of estimation method will not only improve the accuracy of the coefficient estimators but also...

  • Article
  • Open Access
608 Views
24 Pages

3 October 2025

Conventional statistical models consider all wind speed ranges as equally important, causing significant prediction errors, particularly in wind speed intervals that contribute the most to wind turbine power generation. To overcome this limitation, t...

  • Article
  • Open Access
9 Citations
2,951 Views
17 Pages

21 February 2023

Estimation based on probability-weighted moments is a well-established method and an excellent alternative to the classic method of moments or the maximum likelihood method, especially for small sample sizes. In this research, we developed a new clas...

  • Article
  • Open Access
2 Citations
2,023 Views
14 Pages

15 November 2019

Time-of-flight (ToF)-based 3-D target localization is a very challenging topic because of the pseudo-targets introduced by ToF measurement errors in traditional ToF-based methods. Although the influence of errors in ToF measurement can be reduced by...

  • Article
  • Open Access
1 Citations
1,662 Views
20 Pages

15 April 2024

Considering that the choice of loss function plays a significant role in the derivation of Bayesian estimators, we propose a novel asymmetric loss function named the weighted Q-symmetric entropy loss for computing the estimates of the parameter and r...

  • Article
  • Open Access
3 Citations
2,709 Views
13 Pages

Perinatal and Maternal Outcomes According to the Accurate Term Antepartum Ultrasound Estimation of Extreme Fetal Weights

  • Juan Mozas-Moreno,
  • Mariola Sánchez-Fernández,
  • Ernesto González-Mesa,
  • Rocío Olmedo-Requena,
  • Carmen Amezcua-Prieto and
  • José J. Jiménez-Moleón

20 April 2023

(1) Background: The accuracy of ultrasound estimation of fetal weight (EFW) at term may be useful in addressing obstetric complications since birth weight (BW) is a parameter that represents an important prognostic factor for perinatal and maternal m...

  • Article
  • Open Access
7 Citations
1,716 Views
18 Pages

30 April 2024

This paper considers the estimation of SOC and SOH for lithium batteries using multi-innovation Levenberg–Marquardt and adaptive weighting unscented Kalman filter algorithms. For parameter identification, the second-order derivative of the objective...

  • Feature Paper
  • Article
  • Open Access
9 Citations
2,888 Views
18 Pages

Estimating Body Weight in Captive Rabbits Based on Improved Mask RCNN

  • Enze Duan,
  • Hongyun Hao,
  • Shida Zhao,
  • Hongying Wang and
  • Zongchun Bai

Automated body weight (BW) estimation is an important indicator to reflect the automation level of breeding, which can effectively reduce the damage to animals in the breeding process. In order to manage meat rabbits accurately, reduce the frequency...

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