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31. Before video compression, chrominance signals U, V and luminance signal Y should be separated from each other in every frame.

32. Then, two extreme regions, i. e. , the luminance adaptation extreme regions for smooth blocks and contrast masking extreme regions for detailed blocks, were determined by the JND profile.

33. Factors such as contrast ratio, screen luminance combination and back - ground color were investigated.

34. The second luminance signal is subtracted from each of the color signals to produce second color difference signals.

35. Then FPGA extracts effective luminance signal from the digital signal. The image storage module uses a 32MB SDRAM to store the considerable digital data.

36. In video jargon, the brightness is called the luminance signal , while the color is the chrominance signal .

37. According the standards (PAL / NTSC) and the requirement of use, the digital filter for luminance and chroma signal need change several groups of coefficient.

38. The luminance gain has a great affect on visual range of LLL night vision systems.

39. High - definition and high - luminance LCD color display.

40. An average luminance level calculating circuit (2) calculates an average luminance level (APL) of a video signal (VD).

41. The OLC ( directional luminance control ) provides excellent even lighting without glare.

42. The louvers may be adjusted so that they reject summer radiation, admit overcast sky luminance or act as light shelves,(http://sentencedict.com/luminance.html) depending on the nature of day and the requirements of each storey.

43. A second luminance signal is formed from the color signals.

44. Finally, illuminance levels and luminance levels that the reasonable, comfortable, healthy artificial lighting of study needs given quantitative analysis.

45. Finally we design power circuit, through the design of a stable current circuit , we solve the disaffiliate luminance in OLED.

46. Appearance design condenses sanitary ware artist and the stylist's intention leisurely. Looking from different angles, its luminance and streamline shape curve are perfect in workmanship.

47. Based on the research of various kinds of luminance and chrominance separation algorithms, the 3 line adaptive comb filter was designed.

48. The present invention is directed to method of processing a luminance signal including predetermined weights and color difference signals.

49. According to the requirement of luminance measurement, the model of optical system was constructed and the optical and mechanical parts of illuminometer were designed.

50. The different neurons, in the iectofugal pathway, is characterized by the different visual features such as movement, color, luminance and pattern discrimination, etc.

51. The television signal is a complex one. It includes luminance signal, chroma signal, and the synchronization signal.

52. The result shows that the better classify performance of tongue-color is in aesthesia color-space, apperceive color-space and 2D chrominance planes include luminance.

53. The highest - in - class luminance and long life are achieved.

54. Then, eye luminance maps and chrominance maps are used in skin patches. Face candidates will consequently be obtained. Finally, face candidates are tested by trained SYM.

55. In addition, the luminance signal in images of the input PAL digital video was filtered.

56. Suitable for single - firing in - door wall tiles, good whiteness , luminance and flatness.

57. Hence, luminance non - uniformity never occurs in an image.

58. Speciaty full power , high luminance, smooth lighting, waterproof and dampproof, long lifetime.

59. The effects of VDT screen luminance and file background illumination on visual proof reading performance were examined.

60. The invention can promote the luminance and illuminating efficiency of a plasma barrier wall unit.