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Diseases in fruit cause devastating problem in economic losses and production in agricultural industry worldwide. In this paper, an adaptive approach for the identification of fruit diseases is proposed and experimentally validated. The…

Computer Vision and Pattern Recognition · Computer Science 2014-08-05 Shiv Ram Dubey , Anand Singh Jalal

In future cellular systems, wireless localization and sensing functions will be built-in for specific applications, e.g., navigation, transportation, and healthcare, and to support flexible and seamless connectivity. Driven by this trend,…

Information Theory · Computer Science 2022-01-26 Hongliang Zhang , Boya Di , Kaigui Bian , Zhu Han , H. Vincent Poor , Lingyang Song

Recent years have witnessed the use of pervasive wireless signals (e.g., Wi-Fi, RFID, and mmWave) for sensing purposes. Due to its non-intrusive characteristic, wireless sensing plays an important role in various intelligent sensing…

The Internet of things (IoT) comprises of wireless sensors and actuators connected via access points to the Internet. Often, the sensing devices are remotely deployed with limited battery power and are equipped with energy harvesting…

Systems and Control · Computer Science 2019-04-09 Jin Shang , Muhammad Junaid Farooq , Quanyan Zhu

Modern smart phones are becoming helpful in the areas of Internet-Of-Things (IoT) and ambient health intelligence. By learning data from several mobile sensors, we detect nearness of the human body to a mobile device in a three-dimensional…

Computers and Society · Computer Science 2016-11-18 Sylvester Olubolu Orimaye , Foo Chuan Leong , Chen Hui Lee , Eddy Cheng Han Ng

Coffee which is prepared from the grinded roasted seeds of harvested coffee cherries, is one of the most consumed beverage and traded commodity, globally. To manually monitor the coffee field regularly, and inform about plant and soil…

We present LiveSense - a cross-platform that transforms a commercial off-the-shelf (COTS) Wi-Fi Network Interface Card (NIC) on a laptop into a centimeter-level Range-Doppler sensor while preserving simultaneous communication capability.…

Signal Processing · Electrical Eng. & Systems 2026-04-24 Jessica Sanson , Rahul C. Shah , Maximilian Pinaroc , Cagri Tanriover , Valerio Frascolla

Thanks to the ubiquitous deployment of Wi-Fi hotspots, channel state information (CSI)-based Wi-Fi sensing can unleash game-changing applications in many fields, such as healthcare, security, and entertainment. However, despite one decade…

Networking and Internet Architecture · Computer Science 2023-02-03 Marco Cominelli , Francesco Gringoli , Francesco Restuccia

Smartphone apps for exposure notification and contact tracing have been shown to be effective in controlling the COVID-19 pandemic. However, Bluetooth Low Energy tokens similar to those broadcast by existing apps can still be picked up far…

Networking and Internet Architecture · Computer Science 2021-06-08 Zach Van Hyfte , Avideh Zakhor

The maturity classification of specialty crops such as strawberries and tomatoes is an essential agricultural downstream activity for selective harvesting and quality control (QC) at production and packaging sites. Recent advancements in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Usman A. Zahidi , Krystian Łukasik , Grzegorz Cielniak

Weed management represents a critical challenge in agriculture, significantly impacting crop yields and requiring substantial resources for control. Effective weed monitoring and analysis strategies are crucial for implementing sustainable…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Toqi Tahamid Sarker , Khaled R Ahmed , Taminul Islam , Cristiana Bernardi Rankrape , Karla Gage

To maximize palm oil yield and quality, it is essential to harvest palm fruit at the optimal maturity stage. This project aims to develop an automated computer vision system capable of accurately classifying palm fruit images into five…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Mingqiang Han , Chunlin Yi

Future wireless communication system embraces physical-layer signal detection with high sensitivity, especially in the microwave photon level. Currently, the receiver primarily adopts the signal detection based on semi-conductor devices for…

Signal Processing · Electrical Eng. & Systems 2020-06-26 Junyu Zhang , Chen Gong , Shangbin Li , Rui Ni , Chengjie Zuo , Jinkang Zhu , Ming Zhao , Zhengyuan Xu

This paper presents a two-dimensional phase extraction system using passive WiFi sensing to monitor three basic elderly care activities including breathing rate, essential tremor and falls. Specifically, a WiFi signal is acquired through…

Other Computer Science · Computer Science 2017-04-04 U. M. Khan , Z. Kabir , S. A. Hassan

The mechanical properties of a kiwifruit are investigated via non-contact acoustic measurements. Transmitted ultrasonic waves are measured using a static laser source and a rotating laser ultrasound detector. The measurements enable…

Applied Physics · Physics 2023-01-25 Laura Cobus , Kasper van Wijk

Early detection of fertilizer-induced stress in tomato plants is crucial for optimizing crop yield through timely management interventions. While conventional optical methods struggle to detect fertilizer stress in young leaves, these…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Sho Ueda , Xujun Ye

Apple orchards require timely disease detection, fruit quality assessment, and yield estimation, yet existing UAV-based systems address such tasks in isolation and often rely on costly multispectral sensors. This paper presents a unified,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Soham Dutta , Soham Banerjee , Sneha Mahata , Anindya Sen , Sayantani Datta

An accurate and reliable image based fruit detection system is critical for supporting higher level agriculture tasks such as yield mapping and robotic harvesting. This paper presents the use of a state-of-the-art object detection…

Robotics · Computer Science 2017-09-19 Suchet Bargoti , James Underwood

With the growing demand for device-free and privacy-preserving sensing solutions, Wi-Fi sensing has emerged as a promising approach for human pose estimation (HPE). However, existing methods often process vast amounts of channel state…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Toan Gian , Dung T. Tran , Viet Quoc Pham , Francesco Restuccia , Van-Dinh Nguyen

Energy detection is widely used for spectrum sensing, but accurately localizing the time and frequency occupation of signals in real-time for efficient spectrum sharing remains challenging. To address this challenge, we present RISE, a…

Networking and Internet Architecture · Computer Science 2026-03-24 Chung-Hsuan Tung , Zhenzhou Qi , Tingjun Chen