Approximated Slack Scaling for Structural Support Vector Machines in Scene Depth Analysis

Table 1

The possible Laws’ masks scaled 3 × 3.

Masks	Method	Description
𝐿3𝐿3	𝐿^𝑇3𝐿3	The gray level intensity within 3 neighboring pixels in both vertical and horizontal directions
𝐿3𝐸3	𝐿^𝑇3𝐸3	In horizontal direction edge diction and in vertical direction gray level intensity
𝐿3𝑆3	𝐿^𝑇3𝑆3	In horizontal direction spots detection and in vertical direction gray level intensity
𝐸3𝐿3	𝐸^𝑇3𝐿3	In horizontal direction gray level intensity and in vertical direction edge diction
𝐸3𝐸3	𝐸^𝑇3𝐸3	Edge detection in both vertical and horizontal directions
𝐸3𝑆3	𝐸^𝑇3𝑆3	In horizontal direction spots detection and in vertical direction edge diction
𝑆3𝐿3	𝑆^𝑇3𝐿3	In horizontal direction gray level intensity and in vertical direction spots detection
𝑆3𝐸3	𝑆^𝑇3𝐸3	In horizontal direction edge diction and in vertical direction spots detection
𝑆3𝑆3	𝑆^𝑇3𝑆3	Spots detection in both vertical and horizontal directions