Internship Report > Worklog > Week 11 Worklog

Week 11 Worklog

Week 11 Objectives:

Detect and handle multiple complex transactions
Integrate PDF file support for Bill OCR
Implement feedback system and model fine-tuning
Enhance image and audio processing quality
Integrate Backend and MongoDB storage
Automated testing and Docker deployment
Get acquainted with AWS and management tools

Tasks to be carried out this week:

Day	Task	Start Date	Completion Date	Reference Material and Learning Notes
2	Multiple transaction detection and PDF support - Complex multi-transaction parsing - Refine multi-transaction detection algorithm: - Detect jar allocation in phrases - Handle mixed transaction types: Test complex phrases - Test 1 transaction with 1 jar - Test multiple transactions - Test switching between jars - Test mixed contexts Improve PDF file support for Bill section - Install libraries - Test transactions with PDF files	17/11/2025	17/11/2025	Sprint 03 - Day 11
3	User feedback and learning system - Handle user feedback system for Voice section - Handle user feedback system for Bill section - Fine-tune models based on feedback - Improve syntax handling for incorrect inputs Test improvements of Voice and Bill models	18/11/2025	18/11/2025	Sprint 03 - Day 12
4	Advanced image/audio processing - Detect and enhance Bill quality - Detect image quality - Auto-rotate and deskew images - Detect ROI (Region of Interest) - Integrate with OCR Pipeline - Testing Voice background noise handling - Implement noise reduction - Voice activity detection - Silence trimming - Reduce processing time - Integrate with Voice Pipeline - Testing	19/11/2025	19/11/2025	Sprint 03 - Day 13
5	Backend Integration & File Storage Backend service transaction integration - Review Backend API - Test AI and Backend flow - Verify event consumption - Check automatic transaction creation - Troubleshoot integration MongoDB storage integration - Setup Database for Voice and Bill - Prepare for Amazon S3 integration	20/11/2025	20/11/2025	Sprint 03 - Day 14
6	Create automated tests - Create tests for Voice and Bill - Acceptance and verification of all tests - Bug fixes - Full regression testing Setup and Deploy to Docker	21/11/2025	21/11/2025	Sprint 03 - Day 15

Week 11 Achievements:

1. Multiple Transaction Detection and PDF Support

Complex multi-transaction parsing
Refined multi-transaction detection algorithm
Detected jar allocation in phrases
Handled mixed transaction types

Complex Phrase Testing:

Tested 1 transaction with 1 jar
Tested multiple transactions
Tested switching between jars
Tested mixed contexts

PDF Support:

Installed PDF processing libraries
Tested transactions with PDF files
Integrated PDF into OCR Pipeline

2. Feedback and Learning System

Handled user feedback system for Voice section
Handled user feedback system for Bill section
Fine-tuned models based on feedback
Improved handling of incorrect input syntax
Tested improvements of Voice and Bill models

3. Advanced Image/Audio Processing

Bill Quality Enhancement:

Detected and assessed image quality
Auto-rotated and deskewed images
Detected ROI (Region of Interest)
Integrated with OCR Pipeline
Tested with various image conditions

Voice Background Noise Handling:

Implemented noise reduction
Voice Activity Detection
Silence trimming
Reduced processing time
Integrated with Voice Pipeline
Tested with various audio environments

4. Backend & Storage Integration

Backend Integration:

Reviewed Backend API endpoints
Tested AI and Backend workflow
Verified event consumption
Checked automatic transaction creation
Troubleshot integration issues

MongoDB Integration:

Setup Database for Voice and Bill
Prepared schema for Amazon S3 integration
Implemented storage strategy

5. Automated Testing and Deployment

Created automated tests for Voice and Bill
Acceptance and verification of all test cases
Fixed bugs discovered from testing
Performed full regression testing
Setup Docker environment
Deployed to Docker container

6. AWS Learning

Understood AWS and basic service groups (Compute, Storage, Networking, Database)
Created and configured AWS Free Tier account
Became familiar with AWS Management Console
Installed and configured AWS CLI (Access Key, Secret Key, Region)
Performed basic operations with AWS CLI
Connected and became familiar with First Cloud Journey community

Summary: Week 11 completed the enhancement of multi-transaction processing capabilities, integrated PDF support, implemented feedback system and model fine-tuning. Significantly improved image/audio processing quality with advanced techniques (ROI detection, noise reduction, VAD), successfully integrated with Backend and MongoDB, while completing automated testing and Docker deployment. Additionally, became familiar with AWS ecosystem and basic management tools, preparing for cloud infrastructure deployment.