[RNE Rewrite] feat: add semantic segmentation task

[barhanc]

Description

• Adds semantic segmentation task and required native operations for it.
• Adds computer-vision example app screen for semantic segmentation.
• Fixes the performance regression in the argmax introduced in [RNE Rewrite] feat!: add classification task and common utilities for manipulating tensors in CV tasks #1264. The initial implementation from PoC was more efficient for the default axis=-1 case as the internal loop was over contiguous elements. The linked PR changed it so that it was more efficient for axis=0 case, however since the default is axis=-1 this caused a performance regression in the semantic segmentation task.

Introduces a breaking change?

• Yes
• No

Type of change

• Bug fix (change which fixes an issue)
• New feature (change which adds functionality)
• Documentation update (improves or adds clarity to existing documentation)
• Other (chores, tests, code style improvements etc.)

Tested on

• iOS
• Android

Testing instructions

• Build the computer-vision example app.
• Test the semantic segmentation screen.

Screenshots

Related issues

Closes #1242

Checklist

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation accordingly
• My changes generate no new warnings

Additional notes

[barhanc]

Two models are missing from models.ts: DeepLabV3 and FCN, since the forward returns auxiliary tensor. I will reexport them but don't know under what tag should I put them, isv0.10.0 ok?

[msluszniak]

Two models are missing from models.ts: DeepLabV3 and FCN, since the forward returns auxiliary tensor. I will reexport them but don't know under what tag should I put them, isv0.10.0 ok?

Yeah, v0.10.0 sounds ok.

[msluszniak]

1. Clicking button Run Async causes weird jump when screen is scrolled to the bottom on my android.
2. Total Pipeline Latency overlaps with android system bar at the very bottom of the app.

[barhanc]

1. Clicking button Run Async causes weird jump when screen is scrolled to the bottom on my android.
2. Total Pipeline Latency overlaps with android system bar at the very bottom of the app.

Should be fixed now.