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Jh Ryu

Jh Ryu

Image Data Labeler & Inspector

South Korea flagSeoul, South Korea
$15.00/hrExpertOther

Key Skills

Software

Other

Top Subject Matter

AI verification
Military Domain Expertise
General Data Labeling

Top Data Types

ImageImage
TextText
AudioAudio
DocumentDocument

Top Task Types

Bounding Box
Classification
Audio Recording

Freelancer Overview

Image Data Labeler & Inspector. Brings 18+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Arts, Sejong University (1996). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Bounding Box, Classification, and Audio Recording.

ExpertEnglish

Labeling Experience

Voice Data Recorder & Audio Annotator

OtherAudioAudio Recording
I performed voice recording and audio data collection tasks for AI training on platforms like Crowdworks and Aiworks. These activities involved recording high-quality English speech samples and tagging voice recordings for use in speech recognition and NLP applications. I adhered to platform requirements for clarity, background noise control, and accuracy. • Managed high-volume audio data submissions for model training. • Conducted supplementary tagging and segmentation of audio files. • Participated in multi-phase QA inspections for recorded datasets. • Coordinated with platform supervisors to ensure data quality.

I performed voice recording and audio data collection tasks for AI training on platforms like Crowdworks and Aiworks. These activities involved recording high-quality English speech samples and tagging voice recordings for use in speech recognition and NLP applications. I adhered to platform requirements for clarity, background noise control, and accuracy. • Managed high-volume audio data submissions for model training. • Conducted supplementary tagging and segmentation of audio files. • Participated in multi-phase QA inspections for recorded datasets. • Coordinated with platform supervisors to ensure data quality.

2022 - Present

Text Data Annotator & Inspector

OtherTextClassification
I engaged in text data labeling, including tagging and classification, on major data annotation platforms such as Crowdworks, AIMO, Cash Mission, and Aiworks. My tasks involved classifying English and Korean text to train and improve AI language models. This included careful compliance with detailed labeling instructions and quality inspections. • Performed text annotation for tasks such as Named Entity Recognition (NER) and sentiment classification. • Ensured linguistic consistency between English and Korean datasets. • Followed strict data labeling protocols for accuracy and quality. • Regularly served as a qualified inspector overseeing others’ work.

I engaged in text data labeling, including tagging and classification, on major data annotation platforms such as Crowdworks, AIMO, Cash Mission, and Aiworks. My tasks involved classifying English and Korean text to train and improve AI language models. This included careful compliance with detailed labeling instructions and quality inspections. • Performed text annotation for tasks such as Named Entity Recognition (NER) and sentiment classification. • Ensured linguistic consistency between English and Korean datasets. • Followed strict data labeling protocols for accuracy and quality. • Regularly served as a qualified inspector overseeing others’ work.

2022 - Present

Image Data Labeler & Inspector

OtherImageBounding Box
I performed image bounding and tagging work for various data labeling platforms such as Crowdworks, AIMO, Cash Mission, and Aiworks. This position required precise annotation of images using bounding box techniques and tagging to support AI model development. Projects included general image annotation as well as AI verification tasks conducted specifically in military bases from 2022 to 2024. • Managed quality control and inspection responsibilities across multiple types of image data. • Supported AI training data preparation for image recognition tasks. • Utilized platform-specific guidelines and tools for consistent annotation standards. • Conducted data verification and inspection for high-security military applications.

I performed image bounding and tagging work for various data labeling platforms such as Crowdworks, AIMO, Cash Mission, and Aiworks. This position required precise annotation of images using bounding box techniques and tagging to support AI model development. Projects included general image annotation as well as AI verification tasks conducted specifically in military bases from 2022 to 2024. • Managed quality control and inspection responsibilities across multiple types of image data. • Supported AI training data preparation for image recognition tasks. • Utilized platform-specific guidelines and tools for consistent annotation standards. • Conducted data verification and inspection for high-security military applications.

2022 - Present

Education

S

Sejong University

Bachelor of Arts, English

Bachelor of Arts
1992 - 1996

Work History

N

N/A

Overseas Sales Manager

Seoul
2005 - 2022