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Latest Release
This article contains a summary of recent changes, enhancements and bug fixes in Aspose.OCR for Python via .NET 26.3 (March 2026) release.
What was changed
| Key | Summary | Category |
|---|---|---|
| OCRNET‑1199 | Performance and Memory Consumption issue: add set_enable_memory_pattern and set_enable_cpu_mem_arena to configure ONNX Runtime. | Enhancement |
Public API changes and backwards compatibility
This section lists all public API changes introduced in Aspose.OCR for Python via .NET 26.3 that may affect the code of existing applications.
Added public APIs:
No changes.
Updated public APIs:
The following public APIs have been updated in this release:
Aspose.OCR.OnnxRuntimeSessionOptions
Compatibility: fully backward compatible. See details below.
Added property ‘set_enable_memory_pattern’
Added property ‘set_enable_cpu_mem_arena’
Removed public APIs:
No changes.
Examples
The code samples below illustrate the changes introduced in this release:
OnnxRuntimeSessionOptions
from aspose.ocr.models import *
# Initialize recognition API
api = new AsposeOcr()
# ONNX runtime settings
OnnxRuntimeSessionOptions.set_intra_op_num_threads(1)
OnnxRuntimeSessionOptions.set_graph_optimization_level(GraphOptimizationLevelOnnx.ORT_ENABLE_EXTENDED)
OnnxRuntimeSessionOptions.set_execution_mode(ExecutionModeOnnx.ORT_SEQUENTIAL)
OnnxRuntimeSessionOptions.set_inter_op_num_threads(1)
# When enabled saves memory usage but increases execution time
OnnxRuntimeSessionOptions.set_enable_memory_pattern(True)
OnnxRuntimeSessionOptions.set_enable_cpu_mem_arena(True)
# Add an image to OcrInput object
input = new OcrInput(InputType.SINGLE_IMAGE)
input.add("source.png")
# Recognize image
results = api.recognize(input)