Transition Temperatures of Thermotropic Liquid Crystals from the Local Binary Gray Level Cooccurrence Matrix

Table 1

Textures and phase transition temperatures of homeotropically aligned 𝑝,𝑛-alkyloxybenzoic acid mesogens (n = 4, 6, 8, 10 and 12).

Compound nOBA where n =	Phases	Phase transition temperatures (°C)
		Literature [23]	Present method
4	I-N-Cr	160-147	163.7-149
6	I-N-Cr	154-106	155.3-108
8	I-N-SmC-Cr	147-108-101	148.3-109.8-102.1
10	I-N-SmC-Cr	142-122-97	145.4-123.7-94
12	I-N-SmC-Cr	137-129-95	139.7-128.8-97.5

SmC: SmecticC; N: Nematic; Cr: Crysta; I: Isotropic.