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Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps
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PhenoHUB - Transformation of mobile results of Digital Plant Phenotyping Platform

· 阅读需 6 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

Project Overview

PhenoHUB is a WeChat Miniapp focused on plant photosynthetic phenotyping research, integrating multiple scientific tools and AI analysis functions to help researchers quickly obtain and analyze plant phenotyping data in the field.

PhenoHUB Main Interface
Main Interface

Botanical Extract AI Pro: Zero-Shot Plant Image Segmentation with Multimodal AI Models

· 阅读需 8 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

1. Project Overview

Botanical Extract AI Pro is a project designed to address the challenges of background interference and high manual segmentation costs in traditional plant phenotyping analysis. By leveraging the visual understanding and generation capabilities of multimodal AI models, the system achieves zero-shot high-precision plant image background removal and segmentation. The system supports both single-image interactive processing (Web end) and large-scale batch processing (script end), providing efficient data preprocessing tools for botanical research. Botanical Extracted Results

Key Features:

  • Zero-Shot Segmentation: No training required, works directly with multimodal AI models
  • Dual-Mode Processing: Web interface for interactive processing + Node.js script for batch processing
  • Intelligent Aspect Ratio Adaptation: Automatically matches optimal image ratios for model input
  • Robust Binary Stream Processing: Handles multiple input formats and sources
  • Batch Pipeline: Automated processing for hundreds/thousands of images

MCTP: Unified Multi-Modal Phenotyping Data Processing Platform

· 阅读需 3 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

Platform Overview

MCTP (Multi‑modal Crop Trait Processing) is a unified data processing platform designed for plant phenotyping workflows. It brings hyperspectral, LiDAR, RGB, and thermal imaging into a single pipeline with consistent GUI experiences, reproducible parameter tuning, batch processing, and standardized outputs—making multi‑modal analysis easier to manage and scale.

MCTP is a self-developed field walking phenotyping platform by Shufeng Bio, and I was responsible for system optimization and data processing and analysis during the development process. mctp interface

Predicting Leaf Optical Properties with BRDF and Phenotypic Traits

· 阅读需 5 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

Project Overview

Directional Spectrum Detection Instrument and modeling workflow

Light distribution within crop canopies determines how efficiently plants convert sunlight into biomass. Our latest study presents a new framework that links leaf anatomy and physiology to optical properties, providing a pathway toward predictive modeling of canopy photosynthesis.

We developed a novel Directional Spectrum Detection Instrument (DSDI) and an ensemble learning (EL) model that accurately predict Bidirectional Reflectance Distribution Function (BRDF) parameters from measurable phenotypic traits.

This work integrates optical physics, phenotyping, and data-driven modeling to enable computational quantification of leaf optical diversity—a key step toward designing crop canopies with higher light-use efficiency.

Guide to Local AI Agent

· 阅读需 15 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

Project Overview

Deploying AI agents locally offers numerous advantages including data privacy, reduced latency, cost control, and independence from cloud services. This comprehensive guide covers multiple approaches to setting up AI agents on your local infrastructure, from simple chatbots to complex multi-modal systems.

Guide for scientific papers

· 阅读需 5 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

Project Overview

This guide explains the entire process of publishing a scientific paper, from manuscript preparation to final publication, suitable for graduate students and researchers.

Academic paper workflow illustration

UAV 3D Crop Phenotyping: From Image Acquisition to Machine Learning Modeling

· 阅读需 4 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

1. Flight Path Design and Image Acquisition

UAV image acquisition employs a CCO (Cross-Complementary Overlap) flight path design strategy. This strategy enhances viewpoint diversity through multi-directional cross-flight paths to strengthen geometric constraints for 3D reconstruction. Flight Path Design Diagram

Key Design Points:

  • Multi sets of flight paths in different directions: Ensures multi-angle capture of crop canopy structure
  • Forward and side overlap rates higher than conventional orthophoto requirements: Provides sufficient matching points for SfM reconstruction
  • Image acquisition primarily serves 3D reconstruction goals: Rather than only satisfying orthophoto mosaic requirements

Based on industry-grade UAV platforms, multi-view RGB images of farmland are collected to provide unified data sources for subsequent orthophoto mosaic and 3D modeling.

Root Quantify: Python-Based Root System Image Processing Tool

· 阅读需 2 分钟
Liangchao Deng
Ph.D. Candidate @ SHZU @CAS-Cemps

Overview

Root Quantify is a Python-based tool designed for processing root system images. It provides a complete pipeline for analyzing root images with the following capabilities:

Key Features:

  • Batch Processing: Automatically iterates through all images in a selected folder
  • Interactive ROI Selection: Users click to select polygon vertices to define the region of interest (ROI)
  • Digital Image Processing: Performs background estimation, shadow removal, binarization, and inversion
  • Manual Correction: Allows manual editing of processed ROI with adjustable brush size
  • Dual-Window Preview: Left window shows original image, right window handles ROI selection and processing
  • Automatic Archiving: Saves processed images and moves originals to prevent reprocessing

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