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This study conducted a comprehensive performance evaluation on YOLO11 (or YOLOv11) and YOLOv8, the latest in the "You Only Look Once" (YOLO) series, focusing on their instance segmentation capabilities for immature green apples in orchard…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Ranjan Sapkota , Manoj Karkee

Labor shortages in fruit crop production have prompted the development of mechanized and automated machines as alternatives to labor-intensive orchard operations such as harvesting, pruning, and thinning. Agricultural robots capable of…

Robotics · Computer Science 2023-04-27 Dawood Ahmed , Ranjan Sapkota , Martin Churuvija , Manoj Karkee

Accurate identification of strawberries during their maturing stages is crucial for optimizing yield management, and pest control, and making informed decisions related to harvest and post-harvest logistics. This study evaluates the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Abdul-Razak Alhassan Gamani , Ibrahim Arhin , Adrena Kyeremateng Asamoah

This study systematically conducted an extensive real-world evaluation of all configurations of You Only Look Once (YOLO)-based object detection algorithms, including YOLOv8, YOLOv9, YOLOv10, YOLO11, and YOLOv12. Models were assessed using…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Ranjan Sapkota , Zhichao Meng , Martin Churuvija , Xiaoqiang Du , Zenghong Ma , Manoj Karkee

Currently, deep learning-based instance segmentation for various applications (e.g., Agriculture) is predominantly performed using a labor-intensive process involving extensive field data collection using sophisticated sensors, followed by…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Ranjan Sapkota , Achyut Paudel , Manoj Karkee

The advancement of agricultural robotics holds immense promise for transforming fruit harvesting practices, particularly within the apple industry. The accurate detection and localization of fruits are pivotal for the successful…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Jiang Ziyue , Yin Bo , Lu Boyun

This study evaluated the performance of the YOLOv12 object detection model, and compared against the performances YOLOv11 and YOLOv10 for apple detection in commercial orchards based on the model training completed entirely on synthetic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Ranjan Sapkota , Manoj Karkee

Accurate apple detection in orchard images is important for yield prediction, fruit counting, robotic harvesting, and crop monitoring. However, changing illumination, leaf clutter, dense fruit clusters, and partial occlusion make detection…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Mohammed Asad , Ajai Kumar Gautam , Priyanshu Dhiman , Rishi Raj Prajapati

Olive tree biovolume estimation is a key task in precision agriculture, supporting yield prediction and resource management, especially in Mediterranean regions severely impacted by climate-induced stress. This study presents a comparative…

Image and Video Processing · Electrical Eng. & Systems 2025-10-31 Wondimagegn Abebe Demissie , Stefano Roccella , Rudy Rossetto , Antonio Minnocci , Andrea Vannini , Luca Sebastiani

Detecting and estimating size of apples during the early stages of growth is crucial for predicting yield, pest management, and making informed decisions related to crop-load management, harvest and post-harvest logistics, and marketing.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Ranjan Sapkota , Dawood Ahmed , Martin Churuvija , Manoj Karkee

Ground vehicles equipped with monocular vision systems are a valuable source of high resolution image data for precision agriculture applications in orchards. This paper presents an image processing framework for fruit detection and…

Robotics · Computer Science 2016-10-27 Suchet Bargoti , James Underwood

In this study, we developed a customized instance segmentation model by integrating the Convolutional Block Attention Module (CBAM) with the YOLO11 architecture. This model, trained on a mixed dataset of dormant and canopy season apple…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Ranjan Sapkota , Manoj Karkee

Occlusion remains a critical challenge in robotic fruit harvesting, as undetected or inaccurately localised fruits often results in substantial crop losses. To mitigate this issue, we propose a harvesting framework using a new amodal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Caner Beldek , Emre Sariyildiz , Son Lam Phung , Gursel Alici

Deep learning, particularly Convolutional Neural Networks (CNNs), has gained significant attention for its effectiveness in computer vision, especially in agricultural tasks. Recent advancements in instance segmentation have improved image…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Raul Steinmetz , Victor A. Kich , Henrique Krever , Joao D. Rigo Mazzarolo , Ricardo B. Grando , Vinicius Marini , Celio Trois , Ard Nieuwenhuizen

Accurate building instance segmentation and height classification are critical for urban planning, 3D city modeling, and infrastructure monitoring. This paper presents a detailed analysis of YOLOv11, the recent advancement in the YOLO…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Mahmoud El Hussieni , Bahadır K. Güntürk , Hasan F. Ateş , Oğuz Hanoğlu

This study evaluated the performance of a YOLOv8-based segmentation model for detecting and segmenting wrinkles in facial images.

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Rana Poureskandar , Shiva Razzagzadeh

In this study, a robust method for 3D pose estimation of immature green apples (fruitlets) in commercial orchards was developed, utilizing the YOLO11(or YOLOv11) object detection and pose estimation algorithm alongside Vision Transformers…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Ranjan Sapkota , Manoj Karkee

This study conducts a detailed comparison of RF-DETR object detection base model and YOLOv12 object detection model configurations for detecting greenfruits in a complex orchard environment marked by label ambiguity, occlusions, and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Ranjan Sapkota , Rahul Harsha Cheppally , Ajay Sharda , Manoj Karkee

Convolutional Neural Networks (CNN) are commonly used for the problem of object detection thanks to their increased accuracy. Nevertheless, the performance of CNN-based detection models is ambiguous when detection speed is considered. To…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Ioanna Gogou , Dimitrios Koutsomitropoulos

Tree canopy detection from aerial imagery is an important task for environmental monitoring, urban planning, and ecosystem analysis. Simulating real-life data annotation scarcity, the Solafune Tree Canopy Detection competition provides a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 David Szczecina , Hudson Sun , Anthony Bertnyk , Niloofar Azad , Kyle Gao , Lincoln Linlin Xu
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