ImageInputFormat is used to read image files stored in HDFS.

Supported Image Types

The following image formats are supported:

• JPG
• PNG
• BMP
• GIF

Behavior

• Reads image files directly from HDFS
• Each image is treated as a single record
• The image content is loaded into memory for further processing
• Typically used together with image processing and computer vision transformations

Typical Use Cases

• Batch image processing in data engineering pipelines
• Computer vision workflows such as face detection, image similarity, and feature extraction
• Ingesting image datasets for analytics or machine learning preprocessing