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Ankush Dhar

Ankush Dhar

Image Annotator

India flagKolkata, India
$12.00/hrExpertAws SagemakerCVATGoogle Cloud Vertex AI

Key Skills

Software

AWS SageMakerAWS SageMaker
CVATCVAT
Google Cloud Vertex AIGoogle Cloud Vertex AI
Img Lab
LabelboxLabelbox
Label StudioLabel Studio
SuperAnnotateSuperAnnotate
Other

Top Subject Matter

Computer Vision
Speech/nlp Domain Expertise
Speech Recognition

Top Data Types

ImageImage
TextText
VideoVideo
AudioAudio
DocumentDocument

Top Task Types

Object DetectionObject Detection
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Text GenerationText Generation
Text SummarizationText Summarization
Translation/LocalizationTranslation/Localization
ClassificationClassification
TranscriptionTranscription
Bounding BoxBounding Box
Audio RecordingAudio Recording

Freelancer Overview

Image Annotator. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. AI-training focus includes data types such as Image and Audio and labeling workflows including Bounding Box, Audio Recording, and Classification.

ExpertBengaliEnglish

Labeling Experience

Video Annotation Specialist

OtherVideoClassification
Annotated video content for tasks such as object identification, action recognition, and video classification in AI model pipelines. Followed project guidelines to maintain high labeling accuracy and completeness across samples. Verified the data integrity through quality checks and team review. • Labeled and reviewed video datasets • Implemented action and object classification • Performed data validation and corrections • Maximized utility of video data for AI model training

Annotated video content for tasks such as object identification, action recognition, and video classification in AI model pipelines. Followed project guidelines to maintain high labeling accuracy and completeness across samples. Verified the data integrity through quality checks and team review. • Labeled and reviewed video datasets • Implemented action and object classification • Performed data validation and corrections • Maximized utility of video data for AI model training

Present

Music Annotation Specialist

OtherClassification
Labeled and categorized music segments for annotation tasks supporting audio-focused AI systems. Applied annotation techniques to identify musical genres, elements, and moods within the data. Maintained quality and consistency in music labeling for downstream processing. • Tagged diverse music samples • Classified audio by genre and mood • Completed annotations according to music AI project standards • Supported audio machine learning initiatives

Labeled and categorized music segments for annotation tasks supporting audio-focused AI systems. Applied annotation techniques to identify musical genres, elements, and moods within the data. Maintained quality and consistency in music labeling for downstream processing. • Tagged diverse music samples • Classified audio by genre and mood • Completed annotations according to music AI project standards • Supported audio machine learning initiatives

Present

Data Transcription Specialist

OtherTextTranscription
Performed high-accuracy data transcription and AI-enhanced text annotation for large volume datasets. Transcribed audio/video to text while ensuring data quality and adherence to project guidelines. Worked on projects requiring precise documentation for further AI processing and training. • Carried out transcription of diverse data types • Maintained attention to detail and consistency • Supported downstream NLP and AI tasks • Leveraged transcription software and automation tools

Performed high-accuracy data transcription and AI-enhanced text annotation for large volume datasets. Transcribed audio/video to text while ensuring data quality and adherence to project guidelines. Worked on projects requiring precise documentation for further AI processing and training. • Carried out transcription of diverse data types • Maintained attention to detail and consistency • Supported downstream NLP and AI tasks • Leveraged transcription software and automation tools

Present

Audio Annotator (Freelance/Contract)

OtherAudioClassification
As an audio annotator, I identified speaker characteristics, background noise levels, and speech dynamics in various training datasets. The labeling process involved annotating audio segments to ensure high accuracy and quality for AI model development. I also collaborated with other annotators to maintain consistent standards across large datasets. • Labeled audio files for speaker recognition and background filtering • Ensured audio annotation accuracy and quality control • Used transcription tools for detailed annotation • Supported machine learning model training with accurately annotated data

As an audio annotator, I identified speaker characteristics, background noise levels, and speech dynamics in various training datasets. The labeling process involved annotating audio segments to ensure high accuracy and quality for AI model development. I also collaborated with other annotators to maintain consistent standards across large datasets. • Labeled audio files for speaker recognition and background filtering • Ensured audio annotation accuracy and quality control • Used transcription tools for detailed annotation • Supported machine learning model training with accurately annotated data

Present

AI Voice Trainer

OtherAudioClassificationAudio Recording
Contributed as an AI voice trainer by evaluating, labeling, and categorizing voice data for speech-enabled AI systems. Ensured the collection and annotation of high-quality voice samples for model training and validation. Focused on both speaker diversity and accuracy of the labeled data. • Labeled and categorized voice data sets • Enabled enriched speech data for AI models • Improved data coverage and diversity • Participated in validation of annotated datasets

Contributed as an AI voice trainer by evaluating, labeling, and categorizing voice data for speech-enabled AI systems. Ensured the collection and annotation of high-quality voice samples for model training and validation. Focused on both speaker diversity and accuracy of the labeled data. • Labeled and categorized voice data sets • Enabled enriched speech data for AI models • Improved data coverage and diversity • Participated in validation of annotated datasets

2025 - 2025

Education

No Education added yet

Ankush D. hasn’t added any Education History to their OpenTrain profile yet.

Work History

F

Freelance/Contract

AI Integration Specialist

Remote
2023 - Present
M

MAVY EduSolutions

Image Annotator

Barrackpore
2026 - Present