AI RESEARCH ENGINEER · HO CHI MINH CITY

Le Nhat KhaYou can call me Kai.

From research ideas
to real-world AI.

Portrait of Le Nhat Kha (Kai)

I work at the intersection of computer vision, multimodal learning, and intelligent systems—bringing research into practical AI products.

WACV 2025First-author publication
3.87 / 4.00Computer Science · UIT
1 / 110Faculty graduation rank
9.9 / 10Undergraduate thesis

01 — RESEARCH & SELECTED WORK

Ideas, put to work.

Bridging domains, building trust,
and making AI useful.

PUBLICATION · WACV 2025

Reading beyond
the training domain.

Stratified Domain Adaptation: A Progressive Self-Training Approach for Scene Text Recognition

A progressive self-training approach that addresses the synthetic-to-real domain gap in scene text recognition, achieving state-of-the-art performance on benchmark evaluations.

Kha Nhat Le, Hoang-Tuan Nguyen, Hung Tien Tran, Thanh Duc Ngo
IEEE/CVF WACV 2025 · pp. 8990–9000

StrDAPROGRESSIVE SELF-TRAINING
SyntheticSource domain
Stratify & adaptProgressive learning
Real-worldTarget domain
Conceptual illustration of domain adaptation.
Not an experimental result.
01 / INTELLIGENT TRANSPORTATION

Learning to move
a city.

SUMO-based microscopic traffic simulation for Ho Chi Minh City, combining OpenStreetMap roads with bus, car, and motorbike demand. Research on adaptive reinforcement learning for scalable traffic control under uncertainty.

Reinforcement learningSUMO

VINUNIVERSITY · CAIR 2026 — Present

02 / MULTIMODAL AI

Vision and language,
in Vietnamese.

Fine-tuned Qwen2.5-VL and InternVL3 for expense management, merchant validation, and text extraction. Applied DPO and MPO during adaptation and led two collaborators on Vietnamese-language data collection and filtering.

Vision–language modelsDPO / MPO

MOMO VL 2025 — 2026

03 / BIOMETRIC SECURITY

Building trust
in every face.

Developed four AI modules for passive liveness detection with screen-generated color sequences, targeting photo spoofing, 3D masks, deepfakes, and injection attacks. Contributed to MoMo Face Authentication achieving iBeta Level 2 certification.

Anti-spoofingeKYC

FLASHMARK · MOMO 2024 — 2026

04 / AGENTIC SYSTEMS

Agents that turn
intent into action.

Developing an LLM-powered multi-agent workforce that combines tool use and workflow automation for business applications.

LLM agentsTool use

AGNTIC.AI 2026 — Present

05 / OPEN-SOURCE COMPUTER VISION

Estimating hand pose
from RGB images.

A top-down 2D hand-pose pipeline combining an SSD hand detector with a Stacked Hourglass Network. Includes FreiHAND training and evaluation, plus a real-time single-hand camera demo.

Pose estimationPyTorch
View repository ↗

HAND POSE ESTIMATION Public repository

06 / OPEN-SOURCE VISUAL SEARCH

Finding images
by their content.

A content-based image retrieval project using Faiss for indexing and similarity search. Compares VGG16, ResNet50, local binary patterns, and RGB histograms, with retrieval evaluation and a Streamlit demo.

FaissImage retrieval
View repository ↗

CONTENT-BASED IMAGE RETRIEVAL Public repository

02 — EXPERIENCE

A path through AI.

Research depth.
Engineering practice.

Aug 2026 — PresentINDUSTRY

AI Engineer · Agntic.ai

LLM-powered multi-agent workforce, tool integration, and workflow automation for business applications.

May 2026 — PresentRESEARCH

Research Assistant · VinUniversity, CAIR

Adaptive reinforcement learning for scalable traffic control under uncertainty. Built a Ho Chi Minh City traffic simulation, developed the bus demand pipeline, automated fixed-time traffic signals, calibrated car and bus parameters, and stabilized sublane motorbike behavior.

Supervisor: Dr. Duc Thinh Pham

Aug 2024 — Apr 2026INDUSTRY

AI Research Engineer · MoMo (M_Service)

Applied multimodal research and biometric security through MoMo VL and Flashmark eKYC. Managed two collaborators for Vietnamese-language data work and four collaborators for real-user and spoofing data collection.

Excellent Contribution Award · 2025

Apr 2024 — Jul 2024RESIDENCY

AI Resident · Viettel AI

Viettel Digital Talent 2024. Developed an approach to non-intrusive speech quality assessment (NISQA) by integrating CMGAN speech enhancement.

Feb 2023 — Jul 2024RESEARCH

Undergraduate Researcher · CORE Lab, UIT

Led StrDA as first author, from methodology and experimental evaluation to manuscript preparation. Published at WACV 2025 (CORE A).

Supervisor: Dr. Thanh Duc Ngo

Jun 2023 — Aug 2023TRAINING

AI Bootcamp Trainee · Cinnamon AI

Built a 3D motion-capture system using E²FGVI video inpainting and FrankMocap pose estimation to align a mannequin with the scene.

03 — EDUCATION

A foundation in curiosity.

NOV 2020 — MAY 2024

University of
Information Technology

VNU-HCM · B.S. Computer Science
Honors Program

3.87 / 4.00CGPA1st / 110Faculty rank

UNDERGRADUATE THESIS · 9.9 / 10Gradual Domain Adaptation in Scene Text Recognition

Supervised by Dr. Thanh Duc Ngo

AUG 2025 · RESEARCH TRAINING

12th Vietnam Summer School of Science

Rencontres du Vietnam. Selected for interdisciplinary training in research methodology, academic integrity, critical thinking, and publishing. Led a Science-A-Thon team presenting on science, technology, and human resource development.

SEP 2017 — MAY 2020

Le Quy Don High School for the Gifted

Da Nang · Physics specialization. Grade 12 GPA: 9.6/10, first in class. First Prize in the Provincial Physics Competition (2020) and Second Prize in the Provincial Science and Engineering Fair (2019).

04 — TOOLKIT & RECOGNITION

The tools. The milestones.

ML & multimodal

PyTorch · TensorFlow · scikit-learn · Hugging Face

LLM inference

vLLM · SGLang · NVIDIA Triton Inference Server

Infrastructure & prototyping

AWS · Docker · Gradio · ComfyUI

Simulation

SUMO

Languages

Vietnamese: Native · English: IELTS 6.5

Recognition & service

  • Academic Excellence ScholarshipsUIT · Five awards, each covering 100% of semester tuition
  • Excellent Contribution AwardMoMo · Recognized by the CEO, 2025
  • Conference ReviewerNeurIPS 2026
  • Five-Good Student AwardUIT · University level, 2021

Leadership: Class Chapter Secretary, Ho Chi Minh Communist Youth Union at UIT; Executive Committee Member, Green Season Journalism Club at Le Quy Don High School for the Gifted.

05 — LET’S CONNECT

Good ideas start
with a conversation.

For research collaborations and AI engineering opportunities.

khalee230702@gmail.com
Ho Chi Minh City, Vietnam

06 — AROUND THE WEB

Profiles & links.

Code, credentials, research, and everyday connections.